Welded steel pipe (steel pipe manufactured with a weld) is a tubular product made out of flat plates, known as skelp, that are formed, bent and prepared for welding.
ASTM / ASME
| Product Name | Executive Standard | Dimension (mm) | Steel Code / Steel Grade |
|---|---|---|---|
| Electric-Resistance-Welded Steel Pipes | ASTM A135 | 42.2-114.3 x 2.11-2.63 | A |
| Electric-Resistance-Welded Carbon Steel and Carbon-Manganese Steel Boiler and Superheater Tubes | ASTM A178 | 42.2-114.3 x 2.11-2.63 | A, C,D |
| ERW and Hot-dip Galvanized Steel Pipes | ASTM A53 | 21.3-273 x 2.11-12.7 | A, B |
| Pipes for Piling Usage | ASTM A252 | 219.1-508 x 3.6-12.7 | Gr2, Gr3 |
| Tubes for General Structural Purpose | ASTM A500 | 21.3-273 x 2.11-12.7 | Carbon Steel |
| Square Pipes for General Structural Purpose | ASTM A500 | 25 x 25-160 x 160 x 1.2-8.0 | Carbon Steel |
BS
| Product Name | Executive Standard | Dimension (mm) | Steel Code / Steel Grade |
|---|---|---|---|
| Screwed and Socketed Steel Tubes | BS 1387 | 21.4-113.9 x 2-3.6 | Carbon Steel |
EN
| Product Name | Executive Standard | Dimension (mm) | Steel Code / Steel Grade |
|---|---|---|---|
| Scaffolding Pipes | EN 39 | 48.3 x 3.2-4 | Carbon Steel |
JIS
| Product Name | Executive Standard | Dimension (mm) | Steel Code / Steel Grade |
|---|---|---|---|
| Carbon Steel Tubes for General Structure Purpose | JIS G3444 | 21.7-216.3 x 2.0-6.0 | Carbon Steel |
| Carbon Steel Tubes for Machine Structure Purpose | JIS G3445 | 15-76 x 0.7-3.0 | STKM11A, STKM13A |
| Carbon Steel Pipes for Ordinary Piping | JIS G3452 | 21.9-216.3 x 2.8-5.8 | Carbon Steel |
| Carbon Steel Pipes for Pressure Service | JIS G3454 | 21.7-216.3 x 2.8-7.1 | Carbon Steel |
| Carbon Steel Rigid Steel Conduits | JIS G8305 | 21-113.4 x 1.2-3.5 | G16-G104, C19-C75, E19-E75 |
| Carbon Steel Rectangular Pipes for General Structure | JIS G3466 | 16 x 16-150 x 150 x 0.7-6 | Carbon Steel |
