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Seamless steel tube for high temperature

 

 

Standard of implementation : ASTM A106/ASME SA106  

Application: used in conveying water, oil, gas and other fluids.

Major steel grade: A106A 、 A106B 、 A106C and so on(After consultation, can also provide other special grade of steel pipe.)

Chemical composition and mechanical properties:

Standard

Steel grade

Chemical constituents

C

Mn

Si

Cu

Ni

Cr

Mo

V

P

S

ASTMA106/

ASMESA106

A

≤ 0.25

0.27 ~ 0.93

≥ 0.10

≤ 0.40

≤ 0.40

≤ 0.40

≤ 0.15

≤ 0.08

≤ 0.035

≤ 0.035

B

≤ 0.30

0.29 ~ 1.06

≥ 0.10

≤ 0.40

≤ 0.40

≤ 0.40

≤ 0.15

≤ 0.08

≤ 0.035

≤ 0.035

C

≤ 0.35

0.29 ~ 1.06

≥ 0.10

≤ 0.40

≤ 0.40

≤ 0.40

≤ 0.15

≤ 0.08

≤ 0.035

≤ 0.035

Mechanical properties

Tensile strength (MPa)

Yield strength (MPa)

A

≥ 330

≥ 205

B

≥ 415

≥ 240

C

≥ 485

≥ 275

Note:① the maximum carbon content in the specified amount of carbon content per 0.01%, then the maximum manganese content in the specified amount of each increase of 0.06% manganese content, but the maximum not more than 1.35%;

Cu, Cr, Ni, Mo, V these five elements and not greater than 1%;

Dimensional tolerance:

Type of steel tube

Outside diameter(D

Wall thickness(S

Cold drawn pipe

Outside diameter

Allowable tolerance

Wall thickness

Allowable tolerance

3050

+0.3%

25

+10%

50325

+0.8%

Hot rolling tube

6168

+1.0%

25

-10%+12.5%