Straight seam high frequency welded pipe (ERW steel pipe) is formed by forming a hot-rolled coil through a forming machine. The skin effect and proximity effect of high-frequency current are used to heat and melt the edge of the pipe blank. Pressure welding is carried out under the action of a squeeze roller. Realize production. Welded steel pipes have simple production process, high production efficiency, many varieties and specifications, and less equipment, but their general strength is lower than seamless steel pipes.
Product Description
| Technique: | Electrical Resistance Weld (ERW) | ||
| Specifications: | OD: 20-219mm
WT :1.5-8.0mm
Length: 1-12m |
SIZE: 20*30-300*650mm
WT: 1.5-18.0mm
Length: 1-12m |
SIZE:20*20-400*400mm
wt:1.5-18.0mm
Length: 1-12m
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| Standard: | BS EN 39, BS 1387,
BS EN 10219,
API 5L, ASTM A53, ASTM A500, ASTM A795, ISO65, ANSI C80,
DIN2440, JIS G3444, GB/T3091 |
BS EN 10219 ASTM A500, JIS G3466, GB/T6728 |
BS EN 10219 ASTM A500, JIS G3466, GB/T6728 |
| Material: | S195, S235, S345/
GRA, GRB/
STK400/
Q195, Q235, Q345,
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| Surface: | 1. hot dipped galvanized (Zinc coating: 200-600g/m2 ) 2. oiled with PVC wrapped 3. varnished / painted in black or red or other color 4. Anticorrosive coating: 3PE / 3PP / FBE / Epoxy |
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| Pipe Ends: | bevelled ends, or
threaded ends, or
grooved ends, or
plain ends
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plain ends | plain ends |
| Packing: | outer diameter 273mm and above: piece by piece outer diameter 219mm and below: in hexagonal seaworthy bundles packed by steel strips or small sizes nested into big sizes |
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| Trade terms: | FOB/ CIF/ CFR / FCA / EXW | ||
| Payment terms: | T/T or L/C | ||
| Delivery time: | 15-45 days (based on quantity) after receiving advanced payment by T/T or LC . | ||
| Main market: |
Southeast Asia, South Asia, Middle East, Europe, Middle&South Americ, Africa and Oceania
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