direct supply spiral submerged arc welded steel ssaw dredge seamless steel carbon tube pipe

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  • dredging steel pipe For heavy Duty Constructions -

    Steel Pipe 410 420 304 316L Welded Round Stainless Steel Pipe Tube China Factory Direct Supply. $1,250.00-$1,350.00 Ton. 1 Ton ... Spiral Submerged Arc Welded Steel SSAW Dredge Seamless Steel Carbon Tube Pipe. $950.00-$1,050.00 Ton. 1 Ton ...

    Get Price
  • SSAW Steel Pipe, Spiral Submerged Arc Pipe, SAWL Steel

    45 rowsu2002·u2002SSAW Steel Pipe Manufacturing Process:. Spiral steel pipe (SSAW) is a spiral seam steel …

    Get Price
  • SSAW,SSAW pipe,SSAW steel pipe,Spiral submerged arc ...

    2018-9-14u2002·u2002SSAW steel pipe,Spiral submerged arc welding steel pipe SSAW steel pipe API5L API 5L, EN-10208, GB9711.1/2, ISO A, B, X42, X46, X52, X56, X60, X65, X70 SSAW steel pipe API5L 1.Uses:Used for the conveyance of water, gas, or pertroleum products and piling pipe

    Get Price
  • SSAW Pipes, Spiral submerged-arc welding pipes,Spiral ...

    42 rowsu2002·u2002Spiral Submerged-arc Welded steel pipe technological process The SSAW pipe is widely …

    Get Price
  • Find Seamless helical weld pipe For Varied Uses -

    Pipe 410 420 304 316L Welded Round Stainless Steel Pipe Tube China Factory Direct Supply. $1,250.00-$1,350.00 Ton. 1 Ton ... Helical submerged arc welding hsaw steel pipe, saw saw q235b spiral welded steel pipe. Fast dispatch. $500.00-$550.00 Ton. ... ASTM a252 ssaw spiral welded steel pipe API 5L x42 x46 x52 x56 x60 helical weld ms carbon ...

    Get Price
  • Cheap Price Large Diameters ERP SSAW Spiral Steel Arc ...

    China Cheap Price Large Diameters ERP SSAW Spiral Steel Arc Welded Pipe for Sale, Find details about China Carbon Steel Pipe, Seamless Pipe from Cheap Price Large Diameters ERP SSAW Spiral Steel Arc Welded Pipe for Sale - Qingdao Liange Special Steel Co., Ltd.

    Get Price
  • SSAW Steel Pipe, Spiral Welded Pipe, Welded Steel Pipe

    30 rowsu2002·u2002SSAW steel pipe is the raw material of strip coil, often temperature extrusion molding, …

    Get Price
  • SSAW Steel Pipe, SAWL Steel Pipe - Seamless Steel Pipe

    SSAW steel pipe (spiral submerged arc welded steel pipe) is formed by spiral bending of hot-rolled strip steel, and spiral seam steel pipe (also called spiral welded pipe, spiral pipe spiral steel pipe) is formed by automatic welding of submerged arc for inner and outer joints. Material of SSAW Steel Pipe.

    Get Price
  • Difference between ERW, SSAW, LSAW - Sunny Steel

    Difference between ERW, SSAW, LSAW. Steel pipe for pipe technology, can be divided into (SML), mainly as the Oilfield internal transportation pipeline and small-diameter high-pressure natural gas pipeline, used for a small number of long-distance gas pipeline, the vast majority of long-distance pipeline with Direct seam high frequency (ERW), spiral submerged arc (SSAW), LSAW three (LSAW).

    Get Price
  • dredging steel pipe For heavy Duty Constructions -

    Steel Pipe 410 420 304 316L Welded Round Stainless Steel Pipe Tube China Factory Direct Supply. $1,250.00-$1,350.00 Ton. 1 Ton ... Spiral Submerged Arc Welded Steel SSAW Dredge Seamless Steel Carbon Tube Pipe. $950.00-$1,050.00 Ton. 1 Ton ...

    Get Price
  • SSAW Steel Pipe, Spiral Submerged Arc Pipe, SAWL Steel

    SSAW Steel Pipe Manufacturing Process:. Spiral steel pipe (SSAW) is a spiral seam steel pipe made of strip steel coils as raw materials, often extruded and formed by automatic double-wire double-sided submerged arc welding. The spiral steel pipe feeds the strip steel into the welded pipe unit. After rolling by multiple rollers, the strip steel is gradually rolled up to form a round tube blank ...

    Get Price
  • SSAW,SSAW pipe,SSAW steel pipe,Spiral submerged arc ...

    2018-9-14u2002·u2002SSAW steel pipe,Spiral submerged arc welding steel pipe SSAW steel pipe API5L API 5L, EN-10208, GB9711.1/2, ISO A, B, X42, X46, X52, X56, X60, X65, X70 SSAW steel pipe API5L 1.Uses:Used for the conveyance of water, gas, or pertroleum products and piling pipe

    Get Price
  • SSAW Pipes, Spiral submerged-arc welding pipes,Spiral ...

    Spiral Submerged-arc Welded steel pipe technological process The SSAW pipe is widely used in long distance pipeline project for transmission of oil, natural gas, water as well as coal gas, and also is used in all kinds of engineering, such as chemical industry, electric power, irrigation, construction and piling etc.

    Get Price
  • Find Seamless helical weld pipe For Varied Uses -

    Pipe 410 420 304 316L Welded Round Stainless Steel Pipe Tube China Factory Direct Supply. $1,250.00-$1,350.00 Ton. 1 Ton ... Helical submerged arc welding hsaw steel pipe, saw saw q235b spiral welded steel pipe. Fast dispatch. $500.00-$550.00 Ton. ... ASTM a252 ssaw spiral welded steel pipe API 5L x42 x46 x52 x56 x60 helical weld ms carbon ...

    Get Price
  • Cheap Price Large Diameters ERP SSAW Spiral Steel Arc ...

    China Cheap Price Large Diameters ERP SSAW Spiral Steel Arc Welded Pipe for Sale, Find details about China Carbon Steel Pipe, Seamless Pipe from Cheap Price Large Diameters ERP SSAW Spiral Steel Arc Welded Pipe for Sale - Qingdao Liange Special Steel Co., Ltd.

    Get Price
  • SSAW Steel Pipe, Spiral Welded Pipe, Welded Steel Pipe

    SSAW steel pipe is the raw material of strip coil, often temperature extrusion molding, automatic double-wire double submerged arc welding process made of spiral seam pipe. Spiral steel pipe will strip into the pipe unit, the multi-roll rolling, strip rolled up, forming a circular gap opening gap, adjust the squeeze roll reduction, the weld gap ...

    Get Price
  • SSAW Steel Pipe, SAWL Steel Pipe - Seamless Steel Pipe

    SSAW steel pipe (spiral submerged arc welded steel pipe) is formed by spiral bending of hot-rolled strip steel, and spiral seam steel pipe (also called spiral welded pipe, spiral pipe spiral steel pipe) is formed by automatic welding of submerged arc for inner and outer joints. Material of SSAW Steel Pipe.

    Get Price
  • Difference between ERW, SSAW, LSAW - Sunny Steel

    Difference between ERW, SSAW, LSAW. Steel pipe for pipe technology, can be divided into (SML), mainly as the Oilfield internal transportation pipeline and small-diameter high-pressure natural gas pipeline, used for a small number of long-distance gas pipeline, the vast majority of long-distance pipeline with Direct seam high frequency (ERW), spiral submerged arc (SSAW), LSAW three (LSAW).

    Get Price
  • Spiral Welded Steel Pipe Philippines

    Spiral welded steel pipe is a low carbon carbon structural steel or a low alloy structural steel strip rolled into a tube blank with a certain helix angle (also called forming angle), and then welded and made into a pipe joint, which can use a narrow strip steel production of large diameter steel pipes.. Spiral welded pipes are single-sided welded and double-sided welded.

    Get Price
  • dredging steel pipe For heavy Duty Constructions -

    Steel Pipe 410 420 304 316L Welded Round Stainless Steel Pipe Tube China Factory Direct Supply. $1,250.00-$1,350.00 Ton. 1 Ton ... Spiral Submerged Arc Welded Steel SSAW Dredge Seamless Steel Carbon Tube Pipe. $950.00-$1,050.00 Ton. 1 Ton ...

    Get Price
  • SSAW Steel Pipe, Spiral Submerged Arc Pipe, SAWL Steel

    SSAW Steel Pipe Manufacturing Process:. Spiral steel pipe (SSAW) is a spiral seam steel pipe made of strip steel coils as raw materials, often extruded and formed by automatic double-wire double-sided submerged arc welding. The spiral steel pipe feeds the strip steel into the welded pipe unit. After rolling by multiple rollers, the strip steel is gradually rolled up to form a round tube blank ...

    Get Price
  • SSAW,SSAW pipe,SSAW steel pipe,Spiral submerged arc ...

    2018-9-14u2002·u2002SSAW steel pipe,Spiral submerged arc welding steel pipe SSAW steel pipe API5L API 5L, EN-10208, GB9711.1/2, ISO A, B, X42, X46, X52, X56, X60, X65, X70 SSAW steel pipe API5L 1.Uses:Used for the conveyance of water, gas, or pertroleum products and piling pipe

    Get Price
  • SSAW Pipes, Spiral submerged-arc welding pipes,Spiral ...

    Spiral Submerged-arc Welded steel pipe technological process The SSAW pipe is widely used in long distance pipeline project for transmission of oil, natural gas, water as well as coal gas, and also is used in all kinds of engineering, such as chemical industry, electric power, irrigation, construction and piling etc.

    Get Price
  • Find Seamless helical weld pipe For Varied Uses -

    Pipe 410 420 304 316L Welded Round Stainless Steel Pipe Tube China Factory Direct Supply. $1,250.00-$1,350.00 Ton. 1 Ton ... Helical submerged arc welding hsaw steel pipe, saw saw q235b spiral welded steel pipe. Fast dispatch. $500.00-$550.00 Ton. ... ASTM a252 ssaw spiral welded steel pipe API 5L x42 x46 x52 x56 x60 helical weld ms carbon ...

    Get Price
  • Cheap Price Large Diameters ERP SSAW Spiral Steel Arc ...

    China Cheap Price Large Diameters ERP SSAW Spiral Steel Arc Welded Pipe for Sale, Find details about China Carbon Steel Pipe, Seamless Pipe from Cheap Price Large Diameters ERP SSAW Spiral Steel Arc Welded Pipe for Sale - Qingdao Liange Special Steel Co., Ltd.

    Get Price
  • SSAW Steel Pipe, Spiral Welded Pipe, Welded Steel Pipe

    SSAW steel pipe is the raw material of strip coil, often temperature extrusion molding, automatic double-wire double submerged arc welding process made of spiral seam pipe. Spiral steel pipe will strip into the pipe unit, the multi-roll rolling, strip rolled up, forming a circular gap opening gap, adjust the squeeze roll reduction, the weld gap ...

    Get Price
  • SSAW Steel Pipe, SAWL Steel Pipe - Seamless Steel Pipe

    SSAW steel pipe (spiral submerged arc welded steel pipe) is formed by spiral bending of hot-rolled strip steel, and spiral seam steel pipe (also called spiral welded pipe, spiral pipe spiral steel pipe) is formed by automatic welding of submerged arc for inner and outer joints. Material of SSAW Steel Pipe.

    Get Price
  • Difference between ERW, SSAW, LSAW - Sunny Steel

    Difference between ERW, SSAW, LSAW. Steel pipe for pipe technology, can be divided into (SML), mainly as the Oilfield internal transportation pipeline and small-diameter high-pressure natural gas pipeline, used for a small number of long-distance gas pipeline, the vast majority of long-distance pipeline with Direct seam high frequency (ERW), spiral submerged arc (SSAW), LSAW three (LSAW).

    Get Price
  • Spiral Welded Steel Pipe Philippines

    Spiral welded steel pipe is a low carbon carbon structural steel or a low alloy structural steel strip rolled into a tube blank with a certain helix angle (also called forming angle), and then welded and made into a pipe joint, which can use a narrow strip steel production of large diameter steel pipes.. Spiral welded pipes are single-sided welded and double-sided welded.

    Get Price
  • dredging steel pipe For heavy Duty Constructions -

    Steel Pipe 410 420 304 316L Welded Round Stainless Steel Pipe Tube China Factory Direct Supply. $1,250.00-$1,350.00 Ton. 1 Ton ... Spiral Submerged Arc Welded Steel SSAW Dredge Seamless Steel Carbon Tube Pipe. $950.00-$1,050.00 Ton. 1 Ton ...

    Get Price
  • SSAW Steel Pipe, Spiral Submerged Arc Pipe, SAWL Steel

    SSAW Steel Pipe Manufacturing Process:. Spiral steel pipe (SSAW) is a spiral seam steel pipe made of strip steel coils as raw materials, often extruded and formed by automatic double-wire double-sided submerged arc welding. The spiral steel pipe feeds the strip steel into the welded pipe unit. After rolling by multiple rollers, the strip steel is gradually rolled up to form a round tube blank ...

    Get Price
  • SSAW,SSAW pipe,SSAW steel pipe,Spiral submerged arc ...

    2018-9-14u2002·u2002SSAW steel pipe,Spiral submerged arc welding steel pipe SSAW steel pipe API5L API 5L, EN-10208, GB9711.1/2, ISO A, B, X42, X46, X52, X56, X60, X65, X70 SSAW steel pipe API5L 1.Uses:Used for the conveyance of water, gas, or pertroleum products and piling pipe

    Get Price
  • SSAW Pipes, Spiral submerged-arc welding pipes,Spiral ...

    Spiral Submerged-arc Welded steel pipe technological process The SSAW pipe is widely used in long distance pipeline project for transmission of oil, natural gas, water as well as coal gas, and also is used in all kinds of engineering, such as chemical industry, electric power, irrigation, construction and piling etc.

    Get Price
  • Find Seamless helical weld pipe For Varied Uses -

    Pipe 410 420 304 316L Welded Round Stainless Steel Pipe Tube China Factory Direct Supply. $1,250.00-$1,350.00 Ton. 1 Ton ... Helical submerged arc welding hsaw steel pipe, saw saw q235b spiral welded steel pipe. Fast dispatch. $500.00-$550.00 Ton. ... ASTM a252 ssaw spiral welded steel pipe API 5L x42 x46 x52 x56 x60 helical weld ms carbon ...

    Get Price
  • Cheap Price Large Diameters ERP SSAW Spiral Steel Arc ...

    China Cheap Price Large Diameters ERP SSAW Spiral Steel Arc Welded Pipe for Sale, Find details about China Carbon Steel Pipe, Seamless Pipe from Cheap Price Large Diameters ERP SSAW Spiral Steel Arc Welded Pipe for Sale - Qingdao Liange Special Steel Co., Ltd.

    Get Price
  • SSAW Steel Pipe, Spiral Welded Pipe, Welded Steel Pipe

    SSAW steel pipe is the raw material of strip coil, often temperature extrusion molding, automatic double-wire double submerged arc welding process made of spiral seam pipe. Spiral steel pipe will strip into the pipe unit, the multi-roll rolling, strip rolled up, forming a circular gap opening gap, adjust the squeeze roll reduction, the weld gap ...

    Get Price
  • SSAW Steel Pipe, SAWL Steel Pipe - Seamless Steel Pipe

    SSAW steel pipe (spiral submerged arc welded steel pipe) is formed by spiral bending of hot-rolled strip steel, and spiral seam steel pipe (also called spiral welded pipe, spiral pipe spiral steel pipe) is formed by automatic welding of submerged arc for inner and outer joints. Material of SSAW Steel Pipe.

    Get Price
  • Difference between ERW, SSAW, LSAW - Sunny Steel

    Difference between ERW, SSAW, LSAW. Steel pipe for pipe technology, can be divided into (SML), mainly as the Oilfield internal transportation pipeline and small-diameter high-pressure natural gas pipeline, used for a small number of long-distance gas pipeline, the vast majority of long-distance pipeline with Direct seam high frequency (ERW), spiral submerged arc (SSAW), LSAW three (LSAW).

    Get Price
  • Spiral Welded Steel Pipe Philippines

    Spiral welded steel pipe is a low carbon carbon structural steel or a low alloy structural steel strip rolled into a tube blank with a certain helix angle (also called forming angle), and then welded and made into a pipe joint, which can use a narrow strip steel production of large diameter steel pipes.. Spiral welded pipes are single-sided welded and double-sided welded.

    Get Price
  • dredging steel pipe For heavy Duty Constructions -

    Steel Pipe 410 420 304 316L Welded Round Stainless Steel Pipe Tube China Factory Direct Supply. $1,250.00-$1,350.00 Ton. 1 Ton ... Spiral Submerged Arc Welded Steel SSAW Dredge Seamless Steel Carbon Tube Pipe. $950.00-$1,050.00 Ton. 1 Ton ...

    Get Price
  • SSAW Steel Pipe, Spiral Submerged Arc Pipe, SAWL Steel

    SSAW Steel Pipe Manufacturing Process:. Spiral steel pipe (SSAW) is a spiral seam steel pipe made of strip steel coils as raw materials, often extruded and formed by automatic double-wire double-sided submerged arc welding. The spiral steel pipe feeds the strip steel into the welded pipe unit. After rolling by multiple rollers, the strip steel is gradually rolled up to form a round tube blank ...

    Get Price
  • SSAW,SSAW pipe,SSAW steel pipe,Spiral submerged arc ...

    2018-9-14u2002·u2002SSAW steel pipe,Spiral submerged arc welding steel pipe SSAW steel pipe API5L API 5L, EN-10208, GB9711.1/2, ISO A, B, X42, X46, X52, X56, X60, X65, X70 SSAW steel pipe API5L 1.Uses:Used for the conveyance of water, gas, or pertroleum products and piling pipe

    Get Price
  • SSAW Pipes, Spiral submerged-arc welding pipes,Spiral ...

    Spiral Submerged-arc Welded steel pipe technological process The SSAW pipe is widely used in long distance pipeline project for transmission of oil, natural gas, water as well as coal gas, and also is used in all kinds of engineering, such as chemical industry, electric power, irrigation, construction and piling etc.

    Get Price
  • Find Seamless helical weld pipe For Varied Uses -

    Pipe 410 420 304 316L Welded Round Stainless Steel Pipe Tube China Factory Direct Supply. $1,250.00-$1,350.00 Ton. 1 Ton ... Helical submerged arc welding hsaw steel pipe, saw saw q235b spiral welded steel pipe. Fast dispatch. $500.00-$550.00 Ton. ... ASTM a252 ssaw spiral welded steel pipe API 5L x42 x46 x52 x56 x60 helical weld ms carbon ...

    Get Price
  • Cheap Price Large Diameters ERP SSAW Spiral Steel Arc ...

    China Cheap Price Large Diameters ERP SSAW Spiral Steel Arc Welded Pipe for Sale, Find details about China Carbon Steel Pipe, Seamless Pipe from Cheap Price Large Diameters ERP SSAW Spiral Steel Arc Welded Pipe for Sale - Qingdao Liange Special Steel Co., Ltd.

    Get Price
  • SSAW Steel Pipe, Spiral Welded Pipe, Welded Steel Pipe

    SSAW steel pipe is the raw material of strip coil, often temperature extrusion molding, automatic double-wire double submerged arc welding process made of spiral seam pipe. Spiral steel pipe will strip into the pipe unit, the multi-roll rolling, strip rolled up, forming a circular gap opening gap, adjust the squeeze roll reduction, the weld gap ...

    Get Price
  • SSAW Steel Pipe, SAWL Steel Pipe - Seamless Steel Pipe

    SSAW steel pipe (spiral submerged arc welded steel pipe) is formed by spiral bending of hot-rolled strip steel, and spiral seam steel pipe (also called spiral welded pipe, spiral pipe spiral steel pipe) is formed by automatic welding of submerged arc for inner and outer joints. Material of SSAW Steel Pipe.

    Get Price
  • Difference between ERW, SSAW, LSAW - Sunny Steel

    Difference between ERW, SSAW, LSAW. Steel pipe for pipe technology, can be divided into (SML), mainly as the Oilfield internal transportation pipeline and small-diameter high-pressure natural gas pipeline, used for a small number of long-distance gas pipeline, the vast majority of long-distance pipeline with Direct seam high frequency (ERW), spiral submerged arc (SSAW), LSAW three (LSAW).

    Get Price
  • Spiral Welded Steel Pipe Philippines

    Spiral welded steel pipe is a low carbon carbon structural steel or a low alloy structural steel strip rolled into a tube blank with a certain helix angle (also called forming angle), and then welded and made into a pipe joint, which can use a narrow strip steel production of large diameter steel pipes.. Spiral welded pipes are single-sided welded and double-sided welded.

    Get Price
  • dredging steel pipe For heavy Duty Constructions -

    Steel Pipe 410 420 304 316L Welded Round Stainless Steel Pipe Tube China Factory Direct Supply. $1,250.00-$1,350.00 Ton. 1 Ton ... Spiral Submerged Arc Welded Steel SSAW Dredge Seamless Steel Carbon Tube Pipe. $950.00-$1,050.00 Ton. 1 Ton ...

    Get Price
  • SSAW Steel Pipe, Spiral Submerged Arc Pipe, SAWL Steel

    SSAW Steel Pipe Manufacturing Process:. Spiral steel pipe (SSAW) is a spiral seam steel pipe made of strip steel coils as raw materials, often extruded and formed by automatic double-wire double-sided submerged arc welding. The spiral steel pipe feeds the strip steel into the welded pipe unit. After rolling by multiple rollers, the strip steel is gradually rolled up to form a round tube blank ...

    Get Price
  • SSAW,SSAW pipe,SSAW steel pipe,Spiral submerged arc ...

    2018-9-14u2002·u2002SSAW steel pipe,Spiral submerged arc welding steel pipe SSAW steel pipe API5L API 5L, EN-10208, GB9711.1/2, ISO A, B, X42, X46, X52, X56, X60, X65, X70 SSAW steel pipe API5L 1.Uses:Used for the conveyance of water, gas, or pertroleum products and piling pipe

    Get Price
  • SSAW Pipes, Spiral submerged-arc welding pipes,Spiral ...

    Spiral Submerged-arc Welded steel pipe technological process The SSAW pipe is widely used in long distance pipeline project for transmission of oil, natural gas, water as well as coal gas, and also is used in all kinds of engineering, such as chemical industry, electric power, irrigation, construction and piling etc.

    Get Price
  • Find Seamless helical weld pipe For Varied Uses -

    Pipe 410 420 304 316L Welded Round Stainless Steel Pipe Tube China Factory Direct Supply. $1,250.00-$1,350.00 Ton. 1 Ton ... Helical submerged arc welding hsaw steel pipe, saw saw q235b spiral welded steel pipe. Fast dispatch. $500.00-$550.00 Ton. ... ASTM a252 ssaw spiral welded steel pipe API 5L x42 x46 x52 x56 x60 helical weld ms carbon ...

    Get Price
  • Cheap Price Large Diameters ERP SSAW Spiral Steel Arc ...

    China Cheap Price Large Diameters ERP SSAW Spiral Steel Arc Welded Pipe for Sale, Find details about China Carbon Steel Pipe, Seamless Pipe from Cheap Price Large Diameters ERP SSAW Spiral Steel Arc Welded Pipe for Sale - Qingdao Liange Special Steel Co., Ltd.

    Get Price
  • SSAW Steel Pipe, Spiral Welded Pipe, Welded Steel Pipe

    SSAW steel pipe is the raw material of strip coil, often temperature extrusion molding, automatic double-wire double submerged arc welding process made of spiral seam pipe. Spiral steel pipe will strip into the pipe unit, the multi-roll rolling, strip rolled up, forming a circular gap opening gap, adjust the squeeze roll reduction, the weld gap ...

    Get Price
  • SSAW Steel Pipe, SAWL Steel Pipe - Seamless Steel Pipe

    SSAW steel pipe (spiral submerged arc welded steel pipe) is formed by spiral bending of hot-rolled strip steel, and spiral seam steel pipe (also called spiral welded pipe, spiral pipe spiral steel pipe) is formed by automatic welding of submerged arc for inner and outer joints. Material of SSAW Steel Pipe.

    Get Price
  • Difference between ERW, SSAW, LSAW - Sunny Steel

    Difference between ERW, SSAW, LSAW. Steel pipe for pipe technology, can be divided into (SML), mainly as the Oilfield internal transportation pipeline and small-diameter high-pressure natural gas pipeline, used for a small number of long-distance gas pipeline, the vast majority of long-distance pipeline with Direct seam high frequency (ERW), spiral submerged arc (SSAW), LSAW three (LSAW).

    Get Price
  • Spiral Welded Steel Pipe Philippines

    Spiral welded steel pipe is a low carbon carbon structural steel or a low alloy structural steel strip rolled into a tube blank with a certain helix angle (also called forming angle), and then welded and made into a pipe joint, which can use a narrow strip steel production of large diameter steel pipes.. Spiral welded pipes are single-sided welded and double-sided welded.

    Get Price