Original Factory A213 T12 Alloy Seamless Steel Pipe

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Overview

Application

Seamless steel pipe for high temperature operation ASTM A106, suitable for high temperature

Main Grade

Grade of high-quality carbon structural steel: GR.A,GR.B,GR.C

Chemical Component

 

	Composition, ％
	Grade A	Grade B	Grade C
Carbon, max	0.25A	0.3B	0.35B
Manganese	0.27-0.93	0.29-1.06	0.29-1.06
Phosphorus, max	0.035	0.035	0.035
Sulfur, max	0.035	0.035	0.035
Silicon, min	0.10	0.10	0.10
Chrome, maxC	0.40	0.40	0.40
Copper, maxC	0.40	0.40	0.40
Molybdenum, maxC	0.15	0.15	0.15
Nickel, maxC	0.40	0.40	0.40
Vanadium, maxC	0.08	0.08	0.08
A For each reduction of 0.01% below the specified carbon maximum, an increase of 0.06% manganese above the specified maximum will be permitted up to a maximum of 1.35%.
B Unless otherwise specified by the purchaser, for each reduction of 0.01% below the specified carbon maximum, an increase of 0.06% manganese above the specified maximum will be permitted up to a maximum of 1.65%.
C These five elements combined shall not exceed 1%.

Mechanical Property

			Grade A		Grade B		Grade C
Tensile strength, min, psi(MPa)			48 000(330)		60 000(415)		70 000(485)
Yield strength, min, psi(MPa)			30 000(205)		35 000(240)		40 000(275)
			Longitudinal	Transverse	Longitudinal	Transverse	Longitudinal	Transverse
Elongation in 2 in. (50 mm), min, % Basic minimum elongation transverse strip tests, and for all small sizes tested in full section			35	25	30	16.5	30	16.5
When standard round 2-in. (50-mm) gauge length test specimen is used			28	20	22	12	20	12
For longitudinal strip tests			A		A		A
For transverse strip tests, a deduction for each 1/32-in. (0.8-mm) decrease in wall thickness below 5/16 in. (7.9 mm) from the basic minimum elongation of the following percentage shall be made				1.25		1.00		1.00
A The minimum elongation in 2 in. (50 mm) shall be determined by the following equation:
e=625000A 0.2 / U 0.9
for inch-pound units, and
e=1940A 0.2 / U 0.9
for SI units,
where: e = minimum elongation in 2 in. (50 mm), %, rounded to the nearest 0.5%, A = cross-sectional area of the tension test specimen, in.2 (mm2), based upon specified outside diameter or nominal specified outside diameter or nominal specimen width and specified wall thickness, rounded to the nearest 0.01 in.2 (1 mm2). (If the area thus calculated is equal to or greater than 0.75 in.2 (500 mm2), then the value 0.75 in.2 (500 mm2) shall be used.), and U = specified tensile strength, psi (MPa).

Test Requirement

In addition to ensuring chemical composition and mechanical properties, hydrostatic tests are performed one by one, and flaring and flattening tests are performed. . In addition, there are certain requirements for the microstructure, grain size, and decarburization layer of the finished steel pipe.

Supply Ability

Supply Ability: 1000 Tons Per Month Per Grade of ASTM SA-106 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/T5310-2017

ASME SA-106/SA-106M-2015

ASTMA210(A210M)-2012

ASME SA-213/SA-213M

ASTM A335/A335M-2018