TORICH GB/T3093 Q345 High Pressure Steel Tubes For Diesel Engine

Name: TORICH GB/T3093 Q345 High Pressure Steel Tubes For Diesel Engine
Brand: TORICH INTERNATIONAL LIMITED

Price Negotiable

Price: negotiable

MOQ: 5

Delivery Time: 30days

Brand: TORICH

Product Description

TORICH GB/T3093 Q345 High-Pressure Seamless Steel Tubes For Diesel Engine

size:OD:6-530mm

WT:0.5-38.1mm

Length:1.5-6m

Steel Grade And Chemical component

Unified digital code	Grade	Chemical Component(Quality Fraction)/%
		C	Si	Mn	P	S	Cr	Ni	Cu
		C	Si	Mn	No More Than
U20103	10A	0.07~0.13	0.17~0.37	0.35~0.65	0.030	0.030	0.15	0.30	0.20
U20203	20A	0.17~0.23	0.17~0.37	0.35~0.65	0.030	0.030	0.25	0.30	0.20
L03451	Q345A	≤0.20	≤0.55	1.00~1.60	0.030	0.030	0.30	0.30	0.20

The tolerance of OD and WT unit:mm

Accuracy class	OD	Tolerance	ID	Tolerance
A	all	±0.10	≤3.0	+0.10 -0.20
			>3.0	+0.10 -0.30
B	all	±0.10	<2.0 ≥2.0	±0.05 ±0.10
C			≤3.0 >3.0	±0.025 ±0.050
D	6.0	+0.05 0
	7.0

Steel Grade and Chemical Component

Unified digital code	Grade	Chemical Component(Quality Fraction)/%
		C	Si	Mn	P	S	Cr	Ni	Cu
		C	Si	Mn	No more than
U20103	10A	0.07~0.13	0.17~0.37	0.35~0.65	0.030	0.030	0.15	0.30	0.20
U20203	20A	0.17~0.23	0.17~0.37	0.35~0.65	0.030	0.030	0.25	0.30	0.20
L03451	Q345A	≤0.20	≤0.55	1.00~1.60	0.030	0.030	0.30	0.30	0.20

Mechanical Properties Of Pipes

Grade	Strength of extension MPa	Yield Point MPa	Elongation %
Grade	Strength of extension MPa	No more than
10A	335~470	205	30
20A	390~540	245	25
Q345A	470~630	345	22

Manufacturing Method:Steel should be manufactured in electric or oxygen converter.Steel Pipe should be manufactured by cold drawn seamless method.

Delivery State:After final cold drawn,steel tubes will be deliveried with heat treatment.

Test Item:Tensile test ,Cold head forging, test Hydraulic test, Eddy current test

Main Features:

high accuracy, excellent brightness, no oxidization on the outer and inner walls after heat treatment, high cleanness inside wall. The steel tube is able to stand high pressure. No deformation after cold bending, no crack after flaring and flattening . The complicated geometrical forming and machining can be realized.

Main Application:
to be used in hydraulic system, automobile parts and in the occasion where the high precision, brightness, cleanness and mechanical properties of the tube are required.

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company TORICH INTERNATIONAL LIMITED

Location Suite 1604-3, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China

Contact Person Richard SHEN

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