China Professional China Large Diameter Steel Pipe - Seamless, welded and hot-dip galvanized pipe – Sanonpipe Manufacturer and Supplier

Professional China Large Diameter Steel Pipe - Seamless, welded and hot-dip galvanized pipe – Sanonpipe

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Professional China Large Diameter Steel Pipe - Seamless, welded and hot-dip galvanized pipe – Sanonpipe Detail:

Overview

Application

It Is Mainly Used for force and pressure parts, and for general purpose steam, water, gas and air pipes.

Main Grade

GR.A, GR.B

Chemical Component

Grade	Component %，≤
Grade	C	Mn	P	S	Cu^A	Ni^A	Cr^A	Mo^A	V^A
S type（seamless pipe）
GR.A	0.25^B	0.95	0.05	0.045	0.40	0.40	0.40	0.15	0.08
GR.B	0.30^C	1.20	0.05	0.045	0.40	0.40	0.40	0.15	0.08
E type（Resistance welded pipe）
GR.A	0.25^B	0.95	0.05	0.045	0.40	0.40	0.40	0.15	0.08
GR.B	0.30^C	1.20	0.05	0.045	0.40	0.40	0.40	0.15	0.08
F type（Furnace Welded Pipe）
A	0.30^B	1.20	0.05	0.045	0.40	0.40	0.40	0.15	0.08

A The sum of these five elements must not be greater than 1.00%。

B For every 0.01% decrease in the maximum carbon content, the maximum manganese content is allowed to increase by 0.06%, but the maximum cannot exceed 1.35%.

C Each 0.01% decrease in the maximum carbon content will allow the maximum manganese content to increase by 0.06%, but the maximum must not exceed 1.65%.

Mechanical Property

item

GR.A

GR.B

tensile strength, ≥, psi [MPa]

Yield Strength, ≥, psi [MPa]

Gauge 2in.or 50mm elongation

48 000 [330]30 000 [205]A,B

60 000 [415]35 000 [240]A,B

A The minimum elongation of gauge length 2in. (50mm) shall be determined by the following formula：

e=625000(1940)A^0.2/U^0.9

e = the minimum elongation of the gauge 2in. (50mm), the percentage rounded to the nearest 0.5%;

A = Calculated according to the specified outer diameter of the nominal tube or the nominal width of the tensile sample and its specified wall thickness, and rounded to the nearest cross-sectional area of the tensile sample of 0.01 in.2 (1 mm2), and It is compared with 0.75in.2 (500mm2), whichever is smaller.

U = specified minimum tensile strength, psi (MPa).

B For various combinations of different sizes of tensile test specimens and prescribed minimum tensile strength, the required minimum elongation is shown in Table X4.1 or Table X4.2, according to its applicability.

Test Requirement

Tensile test, bending test, hydrostatic test, nondestructive electrical test of welds.

Supply Ability

Supply Ability: 2000 Tons Per Month Per Grade Of ASTM A53/A53M-2012 Steel Pipe

Packaging

In Bundles And In Strong Wooden Box

Delivery

7-14 days if in stock, 30-45 days to produce

Payment

30% depsoit, 70% L/C or B/L copy or 100% L/C at sight

Product Detail

Boiler Tube

GB/T 8162-2008

ASTM A519-2006

BS EN10210-1-2006

ASTM A53/A53M-2012

GB9948-2006

GB6479-2013

GB/T 17396-2009

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40crmo Alloy Steel Pipe