JIS G 3452 Carbon ERW Steel Pipes for Ordinary Piping

Short Description:

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.

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Application 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.

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.)

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,threaded

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

Tolerance of OD and W.T

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	-

Delivery Condition

he cold-finished pipes shall be annealed after manufacturing.

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 brand

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.