JIS/G3456 Carbon Steel Pipe for High Pressure Service

JIS/G3456 Carbon Steel Pipe for High Pressure Service

Get Latest Price

Payment Type:	T/T,D/P,L/C
Incoterm:	FOB,CIF,EXW,CFR
Transportation:	Ocean,Land,Express
Port:	Tianjin,Shanghai,Qingdao

Contact Now

Product Description

Product Attributes

Model No.: JIS G3456

Standard: Astm, Gb, Jis, Din

Material: Stpg42, Q195-Q345, A53-A369, 10#-45#, St35-St52

Section Shape: Round

Place Of Origin: China

Application: Fluid Pipe, Boiler Pipe, Hydraulic Pipe, Structure Pipe

Production Process: Hot Rolled

Certification: Api, Ce

Special Tube: Thick Wall Pipe

Whether Alloy: Is Alloy

Tolerance: ±1%

Category: Seamless Steel Pipe

Processing Service: Punching, Cutting, Decoiling, Bending

Packaging & Delivery

Selling Units	:	Ton
Package Type	:	Standard marine packaging, or as required by the customer
Picture Example	:

API 5L ASTM A106 A53 Gr.B Seamless Steel Pipe

ASTM A53 A106 Round Carbon Seamless Steel Pipe



Product Description

JIS G3456 Carbon Steel Pipe

JIS G3456 Grade STS 38/42/49 Specification Covers Carbon Steel Pipes for High Pressure Service.

JIS G3456 Carbon Steel Pipe

JIS G3454 Carbon Steel Pipe

Chemical Compositions(%) of JIS G3456

Standard	Grade	C	Si	Mn	P	S
JIS G3456	STPT370	≤0.25	0.10-0.35	0.30-0.90	≤0.035	≤0.035
	STPT410	≤0.30	0.10-0.35	0.30-1.00	≤0.035	≤0.035
	STPT480	≤0.33	0.10-0.35	0.30-1.00	≤0.035	≤0.035

Mechanical properties

Standard	Grade	Yield Strength (Mpa)	Tensile Strength (Mpa)	Elongation (%)
JIS G3456	STPT370	≥216	≥370	≥30
	STPT410	≥245	≥410	≥25
	STPT480	≥275	≥480	≥25

The tubes shall be manufactured by seamless process, electric resistance welding process, or butt welding process, and those of other grades shall be manufactured by seamless process or electric resistance welding process. The tube shall be as manufactured or as cold-finished condition, or they shall be subjected to appropriate heat treatment.

The tubes shall be practically straight. and the two ends shall be at right angles to the axis of the tube. The tubes shall be free from defects detrimental to practical use.

JIS G3456 Carbon Steel Pipes Dimensions Tolerance

Division	Tolerances on outside diameter	Tolerances on wall thickness	Tolerance on deviation in wall thickness
Hot finished Seamless Steel Pipe	Up to 50 mm 【0.5mm	≤Up to 4 mm 【0.5mm	Up to and incl. 20 % of wall thickness
	50mm and over, up to 160mm 【1%
	160mm and over, up to 200mm 【1.6mm	≤4mm and over 【12.5%
	200mm and over 【0.8%
	However, for pipes 350mm and over in diameter, the length of circumference may substitute as a basis for tolerances, In this case, the tolerances shall be 【0.5%.
Cold finished seamless steel pipe	Up to 40mm 【0.3mm	≤Up to 2 mm 【0.2mm	-
	40mm and over 【0.8%	≤2mm and over 【10%
	However, for pipes 350mm and over in diameter, the length of circumference may substitute as a basis for tolerances. In this case, the tolerances shall be 【0.5%