straight seam submerged arc welding pipe q345 welded tu

results for this questionFeedbackDifference between Double-sided Submerged Arc Welded

Double-sided submerged arc welding straight seam steel pipe uses,the first advantage is fully automated; the second advantage,it is under the submerged arc welding,so its heat exchange and protection performance is relatively strong,welding out The quality is relatively high; The third advantage,because the submerged arc welding in the arc buried in the bottom of the welding,so it can use highdouble seam welded pipe - API Steel Pipe priceJan 11, 2019External welding using longitudinal multi-wire submerged arc welding on the outside of straight seam submerged arc welded steel pipe welding; 8. Ultrasonic inspection I. 100% inspection of the inner and outer welds of straight seam welded steel pipes and the Welded Pipe Mill,Welded Pipe Making MachineThis Welded Pipe Mill is used to roll the strip or plate,then welding the tube to steel pipe by HF welding or submerged-arc welding.According to the different welding style,it can be divided into straight seam high frequency and HF submerged-arc welded tube making machine.

The welding pressure of erw pipe - Sunny Steel

The welding pressure of erw pipe.Straight seam welded steel pipe,according to welding process can be divided into high frequency resistance welding and submerged arc welding,longitudinal submerged arc welded is short for SAWL,high-frequency straight seam resistance welding is short for ERW.Submerged arc welded straight seam steel pipeSubmerged arc welding straight seam steel pipe .Straight seam steel pipe chamfering the pipe end after inspection is passed for pipe end processing to reach the required pipe end groove size; the main implementation standards are GB/T3091,GB/T9711,API,in general,shot blasting is mainly used On the inner surface of the pipe,shot blasting is mainly used for the outer surface treatment ofSome results are removed in response to a notice of local law requirement.For more information,please see here.12345NextLSAW ROHR - Piping System SolutionsLSAW Steel Pipe Straight seam welded steel pipe,Longitudinal Submerged-Arc Welded Steel Pipe.The advantages of LSAW (Longitudinal Submerged Arc Welding) pipes are straight welding. S275JR,S355JRH,S355J2H GB Q195,Q215,Q235,Q345,L175,L210,L245,L320,L360- L555

Related searches for Spiral seam submerged arc welding st

seam welding pipeweld seam pipepipe seam weld typesresistance seam weldingPrevious123456Nextspiral seam submerged arc welded pipe,spiral seam spiral seam large diameter double submerged arc welding steel tube Product Discription Process Spiral Submerged- Arc Welded Steel Pipe Usage Used for low pressure pquid transportation,such as water,gas,and oil; construction and pipng Standard API 5L,ASTM A252,EN10217-1,2,5,EN10219-1,BS,JIS,IS Certificate EN10217,EN10219,API 5L PSL1/ PSL2,API 5CT Out Diameter 219.1 mmRelated searches for JIS X52 LSAW Steel Tubelsaw steel pipedsaw vs lsaw12345NextLSAW Steel Pipe,Longitudinally Submerged Arc Welding PipeLSAW Steel Pipe (Longitudinally Submerged Arc Welding Pipe) Straight Seam Submerged Arc Welded Steel Pipe.UOE SAWL PIPES.Outside Diameter508mmRelated searches for Double submerged arc welded pipe strwelded steel pipewelded pipe fittingsstainless welded pipewelded pipe making machinecarbon steel welded pipe fittingsSome results are removed in response to a notice of local law requirement.For more information,please see here.12345NextProduction process of large diameter straight seam welded pipeJan 11,2019 straight seam submerged arc welding pipe q345 welded tu#0183;Welding by longitudinal multi-wire submerged arc welding (up to four wire) on the inside of straight seam steel pipe; 7.External welding using longitudinal multi-wire submerged arc welding on the outside of straight seam submerged arc welded steel pipe welding; 8.Ultrasonic inspection I.100% inspection of the inner and outer welds of

Production process of large diameter straight seam welded pipe

Nov 03, 2020 straight seam submerged arc welding pipe q345 welded tunbsp; straight seam submerged arc welding pipe q345 welded tu#0183; straight seam submerged arc welding pipe q345 welded tu#32;Welding by longitudinal multi-wire submerged arc welding (up to four wire) on the inside of straight seam steel pipe; 7. External welding: using longitudinal multi-wire submerged arc welding on the outside of straight seam submerged arc welded steel pipe welding; 8. Ultrasonic inspection I. 100% inspection of the inner and outer welds of straight seam submerged arc welding pipe q345 welded tuPrevious123456NextASTM A53 LSAW Steel pipe,Straight seam submerged arc ASTM A53 LSAW Steel pipe in leaflets plate as raw material,the steel plate in the mold or molding machine pressure (volume) into using double-sided submerged arc welding and flaring from production.It adopts JCOE steel tube forming,a weld seam and submerged arc welding process,and the specification ranges from 325mm to -1420mm.When the diameter of a straight submerged arc welded pipe isLongitudinal Submerged Arc Welded Pipe | LSAW Pipe straight seam submerged arc welding pipe q345 welded tuLongitudinal Submerged-Arc Welded pipe can express as an LSAW steel pipe. LSAW steel pipe, a type of longitudinally welded steel pipe produced by using the double-sided submerged arc welding method. LSAW steel pipe is welded tubular products made out of flat plates that are formed, bent and prepared for welding. LSAW is welded with a straight seam that runs lengthwise across the pipe.

LSAW Steel Pipe, Longitudinally Submerged Arc Welding Pipe

26 rows straight seam submerged arc welding pipe q345 welded tunbsp; straight seam submerged arc welding pipe q345 welded tu#0183; straight seam submerged arc welding pipe q345 welded tu#32;LSAW Steel Pipe (Longitudinally Submerged Arc Welding Pipe) Straight Seam LSAW Steel Pipe, DSAW Steel Pipe, Welded Steel PipeStraight seam welded steel pipe(lsaw steel pipe), Double-sided submerged arc welding steel pipe(dsaw steel pipe), longitudinal submerged arc welded steel pipe, high frequency straight seam welded pipe LSAW Steel Pipe, DSAW Steel Pipe, Welded Steel PipeStraight seam welded steel pipe(lsaw steel pipe), Double-sided submerged arc welding steel pipe(dsaw steel pipe), longitudinal submerged arc welded steel pipe, high frequency straight seam welded pipe

LSAW ROHR - Piping System Solutions

LSAW Steel Pipe Straight seam welded steel pipe,Longitudinal Submerged-Arc Welded Steel Pipe.The advantages of LSAW (Longitudinal Submerged Arc Welding) pipes are straight welding. S275JR,S355JRH,S355J2H GB Q195,Q215,Q235,Q345,L175,L210,L245,L320,L360- L555LSAW ROHR - Piping System SolutionsLSAW Steel Pipe Straight seam welded steel pipe,Longitudinal Submerged-Arc Welded Steel Pipe.The advantages of LSAW (Longitudinal Submerged Arc Welding) GR C EN S275,S275JR,S355JRH,S355J2H GB Q195,Q215,Q235,Q345,L175,L210,L245,L320,L360- L555LSAW ROHR - Piping System SolutionsLSAW STEEL PIPE Straight seam welded steel pipe, Longitudinal Submerged-Arc Welded Steel Pipe. The advantages of LSAW (Longitudinal Submerged Arc Welding) pipes are straight welding. straight seam submerged arc welding pipe q345 welded tu S275JR, S355JRH, S355J2H GB: Q195, Q215, Q235, Q345, L175, L210, L245, L320, L360- L555 Oberfl straight seam submerged arc welding pipe q345 welded tu#228;che: straight seam submerged arc welding pipe q345 welded tu

Images of Straight seam Submerged Arc Welding pipe Q345

imagesDouble Submerged Arc Welded Pipe,Double Submergedspiral seam large diameter double submerged arc welding steel tube Product Discription Process Spiral Submerged- Arc Welded Steel Pipe Usage Used for low pressure pquid transportation,such as water,gas,and oil; construction and pipng Standard API 5L,ASTM A252,EN10217-1,2,5,EN10219-1,BS,JIS,IS Certificate EN10217,EN10219,API 5L PSL1/ PSL2,API 5CT Out Diameter 219.1 mmImages of High quality Spiral submerged arc welded SSAW st imagesERW,SSAW,LSAW Welded Steel PipeLSAW steel pipe Straight seam submerged arc welded pipe,which is made of a single medium-thick plate by pressing (rolling) the steel plate in a mold or forming machine,using double-sided submerged arc welding and expanding the diameter to produce.Global Straight Seam Double-sided Submerged Arc Welded straight seam submerged arc welding pipe q345 welded tuThis study specially analyses the impact of Covid-19 outbreak on the Straight Seam Double-sided Submerged Arc Welded Steel Pipe, covering the supply chain analysis, impact assessment to the Straight Seam Double-sided Submerged Arc Welded Steel Pipe market size growth rate in several scenarios, and the measures to be undertaken by Straight Seam straight seam submerged arc welding pipe q345 welded tu

Electric Resistance Welded Pipe,ERW Steel Pipes,Electric

Straight seam welded steel pipe,according to welding process can be divided into high frequency resistance welding and submerged arc welding,longitudinal submerged arc welded is short for SAWL,high-frequency straight seam resistance welding is short for ERW.ERW Pipe's development prospects and facing issuesERW steel pipe VS LSAW steel pipe/Welded Steel PipeStraight seam ERW steel pipe is made with hot-rolled coil, straight seam welded steel pipe can be divided into high-frequency electrical resistance welding and submerged arc welding by different welding type. Compared the welding process of submerged arc welding steel pipe, high-frequency ERW steel pipe does not add any welding materials in welding process, weld forming has not through hot straight seam submerged arc welding pipe q345 welded tuEN10217-1 P265TR1 and P265TR2 -Cold Drawn Seamless Steel straight seam submerged arc welding pipe q345 welded tuShanghai Katalor is specialized in producing P265TR1 and P265TR2 welding steel pipe with high-tech ERW (Electric Resistance Welded) and SSAW (Spiral Submerged Arc welded). Our company supply P265TR1 and P265TR2 with high-frequency straight seam resistance welding machine, spiral submerged arc welded machine in Shanghai China.

Double - sided submerged arc welding straight seam steel pipe

Oct 28,2016 straight seam submerged arc welding pipe q345 welded tu#0183;7.Outer welding using longitudinal multi-wire submerged arc welding in the straight seam submerged arc welded steel pipe outside; 8.Ultrasonic examination straight seam welded steel pipe inside and outside the weld and the base metal on both sides of the weld 100% inspection; 9.Definition Means of LSAW pipe Winsteel Group5.Pre-welding.This is to make a welded pipe steel a straight seam after it has been formed and then use a gas welding seam (MAG) for continuous welding.6.Inside welding.This is done with a tandem multi-wire submerged arc welding (about four-wire) on the inner part of the straight seam welded steel pipe.7.Outside Welding.Comparison Of ERW Steel Pipe And LSAW Steel Pipe straight seam submerged arc welding pipe q345 welded tuAug 22, 2018 straight seam submerged arc welding pipe q345 welded tunbsp; straight seam submerged arc welding pipe q345 welded tu#0183; straight seam submerged arc welding pipe q345 welded tu#32;The welded steel pipes are mainly divided into three processes: straight seam electric resistance welding (ERW), spiral submerged arc welding (SSAW) and straight seam submerged arc welding (LSAW). . The welded pipes produced by these three processes have their own positioning in the application field due to their different raw materials, molding process, caliber size and quality, and

Buy Quality Q345B straight seam pipe submerged arc

Buy Quality Q345B straight seam pipe submerged arc welding pipe large diameter Q235 straight seam pipe,Find Details include Size,Weight,Model and Width about Quality Q345B straight seam pipe submerged arc welding pipe large diameter Q235 straight seam pipe.Make an Inquiry for Quality Q345B straight seam pipe submerged arc welding pipe large diameter Q235 straight seam pipe at OKorder.Buy Quality Q345B straight seam pipe submerged arc Buy Quality Q345B straight seam pipe submerged arc welding pipe large diameter Q235 straight seam pipe, Find Details include Size,Weight,Model and Width about Quality Q345B straight seam pipe submerged arc welding pipe large diameter Q235 straight seam pipe. Make an Inquiry for Quality Q345B straight seam pipe submerged arc welding pipe large diameter Q235 straight seam pipe at Advantages and Application of LSAW Steel PipeLongitudinal Submerged Arc Welded Pipe or simply LSAW steel pipe and Straight Seam Submerged Arc Welded Pipe or simply SSAW steel pipe belong to submerged-arc welding (SAW).But LSAW steel pipe adopts single steel sheet as raw material,its advantages include the thickness of the steel plate can reach more than 100mm,and there is no crescent bends; since it is straight seam,forming is

results for this questionFeedbackDifference between Double-sided Submerged Arc Welded

Double-sided submerged arc welding straight seam steel pipe uses,the first advantage is fully automated; the second advantage,it is under the submerged arc welding,so its heat exchange and protection performance is relatively strong,welding out The quality is relatively high; The third advantage,because the submerged arc welding in the arc buried in the bottom of the welding,so it can use highdouble seam welded pipe - API Steel Pipe priceJan 11, 2019External welding using longitudinal multi-wire submerged arc welding on the outside of straight seam submerged arc welded steel pipe welding; 8. Ultrasonic inspection I. 100% inspection of the inner and outer welds of straight seam welded steel pipes and the Welded Pipe Mill,Welded Pipe Making MachineThis Welded Pipe Mill is used to roll the strip or plate,then welding the tube to steel pipe by HF welding or submerged-arc welding.According to the different welding style,it can be divided into straight seam high frequency and HF submerged-arc welded tube making machine.

The welding pressure of erw pipe - Sunny Steel

The welding pressure of erw pipe.Straight seam welded steel pipe,according to welding process can be divided into high frequency resistance welding and submerged arc welding,longitudinal submerged arc welded is short for SAWL,high-frequency straight seam resistance welding is short for ERW.Submerged arc welded straight seam steel pipeSubmerged arc welding straight seam steel pipe .Straight seam steel pipe chamfering the pipe end after inspection is passed for pipe end processing to reach the required pipe end groove size; the main implementation standards are GB/T3091,GB/T9711,API,in general,shot blasting is mainly used On the inner surface of the pipe,shot blasting is mainly used for the outer surface treatment ofSome results are removed in response to a notice of local law requirement.For more information,please see here.12345NextLSAW ROHR - Piping System SolutionsLSAW Steel Pipe Straight seam welded steel pipe,Longitudinal Submerged-Arc Welded Steel Pipe.The advantages of LSAW (Longitudinal Submerged Arc Welding) pipes are straight welding. S275JR,S355JRH,S355J2H GB Q195,Q215,Q235,Q345,L175,L210,L245,L320,L360- L555

Related searches for Spiral seam submerged arc welding st

seam welding pipeweld seam pipepipe seam weld typesresistance seam weldingPrevious123456Nextspiral seam submerged arc welded pipe,spiral seam spiral seam large diameter double submerged arc welding steel tube Product Discription Process Spiral Submerged- Arc Welded Steel Pipe Usage Used for low pressure pquid transportation,such as water,gas,and oil; construction and pipng Standard API 5L,ASTM A252,EN10217-1,2,5,EN10219-1,BS,JIS,IS Certificate EN10217,EN10219,API 5L PSL1/ PSL2,API 5CT Out Diameter 219.1 mmRelated searches for JIS X52 LSAW Steel Tubelsaw steel pipedsaw vs lsaw12345NextLSAW Steel Pipe,Longitudinally Submerged Arc Welding PipeLSAW Steel Pipe (Longitudinally Submerged Arc Welding Pipe) Straight Seam Submerged Arc Welded Steel Pipe.UOE SAWL PIPES.Outside Diameter508mmRelated searches for Double submerged arc welded pipe strwelded steel pipewelded pipe fittingsstainless welded pipewelded pipe making machinecarbon steel welded pipe fittingsSome results are removed in response to a notice of local law requirement.For more information,please see here.12345NextProduction process of large diameter straight seam welded pipeJan 11,2019 straight seam submerged arc welding pipe q345 welded tu#0183;Welding by longitudinal multi-wire submerged arc welding (up to four wire) on the inside of straight seam steel pipe; 7.External welding using longitudinal multi-wire submerged arc welding on the outside of straight seam submerged arc welded steel pipe welding; 8.Ultrasonic inspection I.100% inspection of the inner and outer welds of

Production process of large diameter straight seam welded pipe

Nov 03, 2020 straight seam submerged arc welding pipe q345 welded tunbsp; straight seam submerged arc welding pipe q345 welded tu#0183; straight seam submerged arc welding pipe q345 welded tu#32;Welding by longitudinal multi-wire submerged arc welding (up to four wire) on the inside of straight seam steel pipe; 7. External welding: using longitudinal multi-wire submerged arc welding on the outside of straight seam submerged arc welded steel pipe welding; 8. Ultrasonic inspection I. 100% inspection of the inner and outer welds of straight seam submerged arc welding pipe q345 welded tuPrevious123456NextASTM A53 LSAW Steel pipe,Straight seam submerged arc ASTM A53 LSAW Steel pipe in leaflets plate as raw material,the steel plate in the mold or molding machine pressure (volume) into using double-sided submerged arc welding and flaring from production.It adopts JCOE steel tube forming,a weld seam and submerged arc welding process,and the specification ranges from 325mm to -1420mm.When the diameter of a straight submerged arc welded pipe isLongitudinal Submerged Arc Welded Pipe | LSAW Pipe straight seam submerged arc welding pipe q345 welded tuLongitudinal Submerged-Arc Welded pipe can express as an LSAW steel pipe. LSAW steel pipe, a type of longitudinally welded steel pipe produced by using the double-sided submerged arc welding method. LSAW steel pipe is welded tubular products made out of flat plates that are formed, bent and prepared for welding. LSAW is welded with a straight seam that runs lengthwise across the pipe.

LSAW Steel Pipe, Longitudinally Submerged Arc Welding Pipe

26 rows straight seam submerged arc welding pipe q345 welded tunbsp; straight seam submerged arc welding pipe q345 welded tu#0183; straight seam submerged arc welding pipe q345 welded tu#32;LSAW Steel Pipe (Longitudinally Submerged Arc Welding Pipe) Straight Seam LSAW Steel Pipe, DSAW Steel Pipe, Welded Steel PipeStraight seam welded steel pipe(lsaw steel pipe), Double-sided submerged arc welding steel pipe(dsaw steel pipe), longitudinal submerged arc welded steel pipe, high frequency straight seam welded pipe LSAW Steel Pipe, DSAW Steel Pipe, Welded Steel PipeStraight seam welded steel pipe(lsaw steel pipe), Double-sided submerged arc welding steel pipe(dsaw steel pipe), longitudinal submerged arc welded steel pipe, high frequency straight seam welded pipe

LSAW ROHR - Piping System Solutions

LSAW Steel Pipe Straight seam welded steel pipe,Longitudinal Submerged-Arc Welded Steel Pipe.The advantages of LSAW (Longitudinal Submerged Arc Welding) pipes are straight welding. S275JR,S355JRH,S355J2H GB Q195,Q215,Q235,Q345,L175,L210,L245,L320,L360- L555LSAW ROHR - Piping System SolutionsLSAW Steel Pipe Straight seam welded steel pipe,Longitudinal Submerged-Arc Welded Steel Pipe.The advantages of LSAW (Longitudinal Submerged Arc Welding) GR C EN S275,S275JR,S355JRH,S355J2H GB Q195,Q215,Q235,Q345,L175,L210,L245,L320,L360- L555LSAW ROHR - Piping System SolutionsLSAW STEEL PIPE Straight seam welded steel pipe, Longitudinal Submerged-Arc Welded Steel Pipe. The advantages of LSAW (Longitudinal Submerged Arc Welding) pipes are straight welding. straight seam submerged arc welding pipe q345 welded tu S275JR, S355JRH, S355J2H GB: Q195, Q215, Q235, Q345, L175, L210, L245, L320, L360- L555 Oberfl straight seam submerged arc welding pipe q345 welded tu#228;che: straight seam submerged arc welding pipe q345 welded tu

Images of Straight seam Submerged Arc Welding pipe Q345

imagesDouble Submerged Arc Welded Pipe,Double Submergedspiral seam large diameter double submerged arc welding steel tube Product Discription Process Spiral Submerged- Arc Welded Steel Pipe Usage Used for low pressure pquid transportation,such as water,gas,and oil; construction and pipng Standard API 5L,ASTM A252,EN10217-1,2,5,EN10219-1,BS,JIS,IS Certificate EN10217,EN10219,API 5L PSL1/ PSL2,API 5CT Out Diameter 219.1 mmImages of High quality Spiral submerged arc welded SSAW st imagesERW,SSAW,LSAW Welded Steel PipeLSAW steel pipe Straight seam submerged arc welded pipe,which is made of a single medium-thick plate by pressing (rolling) the steel plate in a mold or forming machine,using double-sided submerged arc welding and expanding the diameter to produce.Global Straight Seam Double-sided Submerged Arc Welded straight seam submerged arc welding pipe q345 welded tuThis study specially analyses the impact of Covid-19 outbreak on the Straight Seam Double-sided Submerged Arc Welded Steel Pipe, covering the supply chain analysis, impact assessment to the Straight Seam Double-sided Submerged Arc Welded Steel Pipe market size growth rate in several scenarios, and the measures to be undertaken by Straight Seam straight seam submerged arc welding pipe q345 welded tu

Electric Resistance Welded Pipe,ERW Steel Pipes,Electric

Straight seam welded steel pipe,according to welding process can be divided into high frequency resistance welding and submerged arc welding,longitudinal submerged arc welded is short for SAWL,high-frequency straight seam resistance welding is short for ERW.ERW Pipe's development prospects and facing issuesERW steel pipe VS LSAW steel pipe/Welded Steel PipeStraight seam ERW steel pipe is made with hot-rolled coil, straight seam welded steel pipe can be divided into high-frequency electrical resistance welding and submerged arc welding by different welding type. Compared the welding process of submerged arc welding steel pipe, high-frequency ERW steel pipe does not add any welding materials in welding process, weld forming has not through hot straight seam submerged arc welding pipe q345 welded tuEN10217-1 P265TR1 and P265TR2 -Cold Drawn Seamless Steel straight seam submerged arc welding pipe q345 welded tuShanghai Katalor is specialized in producing P265TR1 and P265TR2 welding steel pipe with high-tech ERW (Electric Resistance Welded) and SSAW (Spiral Submerged Arc welded). Our company supply P265TR1 and P265TR2 with high-frequency straight seam resistance welding machine, spiral submerged arc welded machine in Shanghai China.

Double - sided submerged arc welding straight seam steel pipe

Oct 28,2016 straight seam submerged arc welding pipe q345 welded tu#0183;7.Outer welding using longitudinal multi-wire submerged arc welding in the straight seam submerged arc welded steel pipe outside; 8.Ultrasonic examination straight seam welded steel pipe inside and outside the weld and the base metal on both sides of the weld 100% inspection; 9.Definition Means of LSAW pipe Winsteel Group5.Pre-welding.This is to make a welded pipe steel a straight seam after it has been formed and then use a gas welding seam (MAG) for continuous welding.6.Inside welding.This is done with a tandem multi-wire submerged arc welding (about four-wire) on the inner part of the straight seam welded steel pipe.7.Outside Welding.Comparison Of ERW Steel Pipe And LSAW Steel Pipe straight seam submerged arc welding pipe q345 welded tuAug 22, 2018 straight seam submerged arc welding pipe q345 welded tunbsp; straight seam submerged arc welding pipe q345 welded tu#0183; straight seam submerged arc welding pipe q345 welded tu#32;The welded steel pipes are mainly divided into three processes: straight seam electric resistance welding (ERW), spiral submerged arc welding (SSAW) and straight seam submerged arc welding (LSAW). . The welded pipes produced by these three processes have their own positioning in the application field due to their different raw materials, molding process, caliber size and quality, and

Buy Quality Q345B straight seam pipe submerged arc

Buy Quality Q345B straight seam pipe submerged arc welding pipe large diameter Q235 straight seam pipe,Find Details include Size,Weight,Model and Width about Quality Q345B straight seam pipe submerged arc welding pipe large diameter Q235 straight seam pipe.Make an Inquiry for Quality Q345B straight seam pipe submerged arc welding pipe large diameter Q235 straight seam pipe at OKorder.Buy Quality Q345B straight seam pipe submerged arc Buy Quality Q345B straight seam pipe submerged arc welding pipe large diameter Q235 straight seam pipe, Find Details include Size,Weight,Model and Width about Quality Q345B straight seam pipe submerged arc welding pipe large diameter Q235 straight seam pipe. Make an Inquiry for Quality Q345B straight seam pipe submerged arc welding pipe large diameter Q235 straight seam pipe at Advantages and Application of LSAW Steel PipeLongitudinal Submerged Arc Welded Pipe or simply LSAW steel pipe and Straight Seam Submerged Arc Welded Pipe or simply SSAW steel pipe belong to submerged-arc welding (SAW).But LSAW steel pipe adopts single steel sheet as raw material,its advantages include the thickness of the steel plate can reach more than 100mm,and there is no crescent bends; since it is straight seam,forming is

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