Details of JIS G 3452 Carbon ERW Steel Pipe We can supply
Manufacture:Electric resistance welded pipe Size: O.D.: 15.0~508mm W.T.: 2~20mm Grade:SGP Length: 6M or specified length as required. Ends: Plain End, Beveled End,threadedApplication of JIS G 3452 Carbon ERW Steel Pipe
Pipe ordered under this specification is used mainly for piping to convey steam, water (except public water supply services),oil,gas,air, etc. At comparatively low working pressures.Chemical Composition and mechanical properties JIS 3452 Carbon ERW Steel Pipe
Grade and Chemical Composition (%) Grade | P≤ | S≤ |
SGP | 0.040% | 0.040% |
Mechanical Properties | |||
Grade | Tensile strength | Elongation % | |
| N/ m㎡ | A50mm (No.11 &12) | A50mm (No.5) |
SGP | 290 min | ≥30% | ≥25% |
The tensile test direction of No.11 and No.12 test piece is parallel to the pipe axis, while that of No.5 is perpendicular to the pipe axis.Note:The specification in this table shall not apply to the pipes whose nominal diameter is 32A (42.7mm) or under, but the elongation shall be still recorded. Elongation may be specified upon the agreement between the purchaser and the manufacturer. |
Tolerance of outside diameter and wall thickness
Division | Tolerance on O.D | Tolerance on W.T | |
Carbon ERW Steel Pipe | 10.5mm≤D≤48.6mm | ±0.5 mm | -12.5% + Not specified |
D=60.5mm | ±0.5 mm | ||
D=76.3mm | ±0.7 mm | ||
89.1mm≤D≤139.8mm | ±0.8 mm | ||
D=165.2mm | ±0.8 mm | ||
D=190.7mm | ±0.9 mm | ||
D=216.3mm | ±1.0 mm | ||
D=241.8mm | ±1.2 mm | ||
D=267.4mm | ±1.3 mm | ||
D=318.5mm | ±1.5mm | ||
355.6mm≤D≤508.0mm | - |
Appearance for JIS 3452 Carbon ERW Steel Pipe
Practicality is straight, the end is cut perpendicularly, and there are no harmful defects on the inner and outer surfaces. Pipe be repaired by grinding or machining, the wall thickness within the given W.T tolerance after repaired. The surface of all repaired parts shall blend smoothly.Marking
Grade Manufacture method(hot finished ERW steel pipe: E-H; Cold finished ERW steel pipe: E-C) Dimensions(nominal diameter ) Manufacturer's name or its identifying brandDelivery Condition
he cold-finished pipes shall be annealed after manufacturing.Manufacturing Process of JIS G 3452 Carbon ERW Steel Pipe
Electric resistance welded(The manufacturing method is Electric resistance welding or butt welding. The finish method can be hot-finished or cold-finished. The cold-finished pipes shall be annealed after manufacturing.)Packing for JIS 3452 Carbon ERW Steel Pipe
Bare pipe, black coating, Zinc coated, epoxy coating and primer coating, etc; 6" and below sizes In bundles with two cotton slings, other sizes in loose; Both ends with end protectors; Plain end, bevel end or threaded; Marking.