JIS 3452 ERW STRUCTUAL STEEL PIPE

Standard: JIS G 3452 SGP
Application of JIS G 3452 SGP ERW structural 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 SGP ERW structural 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 SGP ERW structural 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
Finishes: Bare, Oiled, Mill Varnish, Galvanized, FBE, FBE Dual, 3LPE, 3LPP, Coal Tar, Concrete Coating and Tape Wrap

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	-