Spiral Submerged Arc Welded Pipe SSAW
Spiral Submerged Arc Welded Pipe SSAW - Image 2
Spiral Submerged Arc Welded Pipe SSAW - Image 3
Spiral Submerged Arc Welded Pipe SSAW - Image 4
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Spiral Submerged Arc Welded Pipe SSAW

The spiral submerged arc welded pipe is made of hot-rolled steel strip through constant temperature spiral forming and automatic submerged arc welding. The manufacturing process is to roll the steel strip, make the rolling direction at a certain angle to the center direction of the tube, and then form and weld, so the weld is spiral.

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Spiral Submerged Arc Welded Pipe SSAW Description

Submerged arc welding is an important welding method. Its inherent advantages include stable welding quality, high welding productivity, no arc light and little smoke, making it an ideal choice  in the production of important steel structures such as pressure vessels, pipe section manufacturing, box beam and column manufacturing. The strength of SSAW spiral welded pipes is generally higher than that of straight seam welded pipes. Welded pipes with larger diameters can be produced from narrower billets, and welded pipes with different diameters can also be produced from billets of the same width.

Product Parameters

Product Name Spiral Submerged Arc Welded Pipe SSAW
Standard EN/DIN/JIS/ASTM/BS/ASME/AISI etc.
Outer Diameter 219.1mm-3580mm
Wall Thickness 3.2mm-25.4mm
Length 5.8 meters-12.5 meters, Support customization
Manufacturing Type Spiral Welding

Product Material

Standard Material
GB/T3091 Q235B, Q345A, Q345B
GB/T9711-2011 L210, L245, L290, L320, L360, L390, L415, L450, L485
API 5L PSL1 Gr.A, Gr.B, X42, X46, X52, X56, X60, X65, X70, X80
API 5L PSL2 Gr.B, X42, X46, X52, X56, X60, X65, X70, X80
EN10217 P235TR1, P235TR2, P265TR1, P265TR2
ASTM A252 A252 Gr.2 , A252 Gr.3

Chemical Composition & Mechanical Properties

Standard Grade Chemical Composition (%) Mechanical Properties (min)
C Si Mn P S Tensile Strength (Mpa) Yield Strength (Mpa)
API 5CT H40 – – – – 0.030 417 417
J55 – – – – 0.030 517 517
K55 – – – – 0.300 655 655
API 5L PSL 1 A 0.22 – 0.90 0.030 0.030 335 335
B 0.26 – 1.20 0.030 0.030 415 415
X42 0.26 – 1.30 0.030 0.030 415 415
X46 0.26 – 1.40 0.030 0.030 435 435
X52 0.26 – 1.40 0.030 0.030 460 460
X56 0.26 – 1.40 0.030 0.030 490 490
X60 0.26 – 1.40 0.030 0.030 520 520
X65 0.26 – 1.45 0.030 0.030 535 535
X70 0.26 – 1.65 0.030 0.030 570 570
API 5L PSL 2 B 0.22 0.45 1.20 0.025 0.015 415 415
X42 0.22 0.45 1.30 0.025 0.015 415 415
X46 0.22 0.45 1.40 0.025 0.015 435 435
X52 0.22 0.45 1.40 0.025 0.015 460 460
X56 0.22 0.45 1.40 0.025 0.015 490 490
X60 0.12 0.45 1.60 0.025 0.015 520 520
X65 0.12 0.45 1.60 0.025 0.015 535 535
X70 0.12 0.45 1.70 0.025 0.015 570 570
X80 0.12 0.45 1.85 0.025 0.015 625 625
ASTM A53 A 0.25 0.10 0.95 0.050 0.045 330 330
B 0.30 0.10 1.20 0.050 0.045 415 415
ASTM A252 1 – – – 0.050 – 345 345
2 – – – 0.050 – 414 414
3 – – – 0.050 – 455 455
EN 10217-1 P195TR1 0.13 0.35 0.70 0.025 0.020 320 320
P195TR2 0.13 0.35 0.70 0.025 0.020 320 320
P235TR1 0.16 0.35 1.20 0.025 0.020 360 360
P235TR2 0.16 0.35 1.20 0.025 0.020 360 360
P265TR1 0.20 0.40 1.40 0.025 0.020 410 410
P265TR2 0.20 0.40 1.40 0.025 0.020 410 410
EN 10217-2 P195GH 0.13 0.35 0.70 0.025 0.020 320 320
P235GH 0.16 0.35 1.20 0.025 0.020 360 360
P265GH 0.20 0.40 1.40 0.025 0.020 410 410
EN 10217-5 P235GH 0.16 0.35 1.20 0.025 0.020 360 360
P265GH 0.20 0.40 1.40 0.025 0.020 410 410
EN 10219-1 S235JRH 0.17 – 1.40 0.040 0.040 360 360
S275JOH 0.20 – 1.50 0.035 0.035 410 410
S275J2H 0.20 – 1.50 0.030 0.030 410 410
S355JOH 0.22 0.55 1.60 0.035 0.035 470 470
S355J2H 0.22 0.55 1.60 0.030 0.030 470 470
S355K2H 0.22 0.55 1.60 0.030 0.030 470 470

Scope of Application

Petroleum and natural gas industry, chemical industry, power industry, flammable liquid and incombustible liquid pipeline and building structure, water supply and drainage engineering, urban construction.

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