JIS G3454 STPG 370 Carbon Steel Pipe for Pressure

JIS G3454 Carbon Steel Pipe for Pressure Piping for use at 350°C or less.

JIS G3454 STPG 370 Carbon Steel Pipe Specification

Manufacturing: Electric resistance welded steel pipe
Overall dimensions: 14mm-508mm
Wall thickness: 2mm-60mm
Length: Fixed length (6m, 9m, 12m, 24m) or normal length (5-12m)
End: flat end, beveled end, patterned end
Shipping port: Tianjin, China
Payment method: wire transfer, letter of credit
Delivery time: 7-15 days after payment
Surface Preparation: The pipe will be painted (exterior only) to prevent rust.
Marking: Standard + Steel Grade + Size + Hot Number + Lot Number
Packaging: Bundles (hexagonal), wooden boxes, crates (steel/wooden) or on demand

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Chemical Composition of JIS G3454 STPG 370

Letter symbol of grade	Chemical Composition %
	C	Si	Mn	P	S
STPG 370	0.25 max.	0.35 max.	0.30 ~0.90	0.040 max.	0.040 max.

Mechanical Properties of JIS G3454 STPG 370

Letter symbol of grade	Mechanical Properties
	Tensile strength	Yield strength	Elongation %
	kgf/m㎡  {N/ m㎡}	kgf/m㎡  {N/ m㎡}	No.11 and No.12 test pieces	No. 5 test pieces	No. 4 test piece
			Longitudinal	Transverse	Longitudinal	Transverse
STPG 370	38 {373}min	22{216} min	30 min	25 min	23 min	28 min

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Exterior

(1) The pipe should be basically straight, and its ends should be at right angles to the axis.
(2) The inner and outer surfaces of the pipe should be polished smoothly without any defects that are detrimental to actual use. 

GNEE supplies JIS3454 STP370 steel pipe testing

(1) Chemical analysis
(2) Tensile test
(3) Flattening test
(4) Bending test
(5) Hydrostatic test or non-destructive testing