Double - sided submerged arc spiral steel pipe Spiral seam submerged arc welded steel pipe
Double - sided submerged arc welding spiral pipe specifications price list
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Name of double - sided submerged arc welding spiral steel tube |
Double-sided submerged arc welding spiral steel pipe size (diameter * wall thickness) |
Name of double - sided submerged arc welding spiral steel tube |
Double-sided submerged arc welding spiral steel pipe size (diameter * wall thickness) |
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219- Spiral steel pipe |
219*6 219*7 219*8 |
273- Spiral steel pipe |
273*6 273*7 273*8 |
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325- Spiral steel pipe |
325*6 325*7 325*8 325*9 325*10 |
426- Spiral steel pipe |
426*6 426*7 426*8 426*9 426*10 426*11 426*12 |
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630- Spiral steel pipe |
630*6 630*7 630*8 630*9 630*10 630*12 630*14 630*16 |
720- Spiral steel pipe |
720*6 720*7 720*8 720*9 720*10 720*12 720*14 720*16 |
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820- Spiral steel pipe |
820*6 820*7 820*8 820*9 820*10 820*12 820*14 820*16 |
920- Spiral steel pipe |
920*6 920*7 920*8 920*9 920*10 920*12 920*14 920*16 |
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1020- - Spiral steel pipe |
1020*10 1020*12 1020*14 1020*16 1020*18 1020*20 |
1120- Spiral steel pipe |
1120*10 1120*12 1120*14 1120*16 1120*18 1120*20 |
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1220- Spiral steel pipe |
1220*10 1220*12 1220*14 1220*16 1220*18 1220*20 |
1420- Spiral steel pipe |
1420*10 1420*12 1420*14 1420*16 1420*18 1420*20 |
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1620- Spiral steel pipe |
1620*10 1620*12 1620*14 1620*16 1620*18 1620*20 |
1820- Spiral steel pipe |
1820*10 1820*12 1820*14 1820*16 1820*18 1820*20 |
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2020- Spiral steel pipe |
2020*10 2020*12 2020*14 2020*16 2020*18 2020*20 |
2220- Spiral steel pipe |
2220*10 2220*12 2220*14 2220*16 2220*18 2220*20 |
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2420- Spiral steel pipe |
2420*10 2420*12 2420*14 2420*16 2420*18 2420*20 |
2620- Spiral steel pipe |
2620*10 2620*12 2620*14 2620*16 2620*18 2620*20 |
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2820- Spiral steel pipe |
2820*10 2820*12 2820*14 2820*16 2820*18 2820*20 |
3020- Spiral steel pipe |
3020*10 3020*12 3020*14 3020*16 3020*18 3020*20 |
The latest price reference: spiral pipe price list
Production Technology of Spiral Steel Tube with Double Sided Submerged Arc Welding
Inspection of raw materials - Uncoiling - First flat - Cut to butt welding - Finishing - Milling - Delivery - Molding inside and outside welding - Welding slag clearance External inspection - Automatic repair welding, X-ray inspection, filming and Manual ultrasonic re-inspection - pipe end groove machining - hydrostatic pressure test - automatic length measurement weighing - spray signs - the final inspection - storage
Double - sided submerged arc welded steel pipe implementation of standards
SY / T5037-2008 (Ministry superscript, also known as ordinary fluid pipeline with spiral submerged arc welded pipe)
GB / T9711.1-2008 (GB, also known as the oil and gas industry delivery of steel pipe delivery technical conditions Part I: A grade steel pipe (strict requirements are GB / T9711.2 B grade steel pipe)), API-5L (American Petroleum Institute , Also known as pipeline steel pipe; which is divided into PSL1 and PSL2 two levels), SY / T5040-2008 (spiral welded steel pipe pile)
Double - sided submerged arc welding spiral pipe material
Q235A, Q235B, 10 #, 20 #, Q345 (16Mn),
(X60), L450 (X65), L485 (X70), L555 (X80), L905 (B), L290 (X42), L320 (X46), L360
L290NB / MB (X42N / M), L360NB / MB (X52N / M), L390NB / MB (X56N / M), L415NB / MB (X60N / M), L450MB (X65), L485MB (X70), L555MB (X80) .
Application of double - side submerged - arc spiral
Double-sided submerged arc welding spiral pipe is mainly used in water supply engineering, petrochemical industry, chemical industry, power industry, agricultural irrigation, urban construction
For liquid delivery with: water supply, drainage. For gas transportation with: gas, steam, liquefied petroleum gas. For structural use: for piling, as a bridge; terminals, roads, buildings and other structures.
