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ASTM A210

3.4 ASTM A210.jpg

ASTM A210: American Society for Testing and Materials
Standard Specification for Seamless Medium-Carbon Steel Boiler and Superheater Tubes.
Application: Power plant; Chemical Fertilizer; Petrochemicals; Offshore Oils; Gas Productions; Refineries and etc.

Chemical Requirements

Element

Composition   %

Grade A-1

Grade C

Carbon, max

0.27

0.35

Manganese

0.93 max

0.29-1.06

Phosphorus, max

0.035

0.035

Sulfur, max

0.035

0.035

Silicon, min

0.1

0.1

 

Mechanical Properties


Grade C

Grade D

Tensile strength, min,ksi [Mpa]

60 [415]

70 [485]

 Yield strength, min,ksi [Mpa]

37 [255]

40 [275]

Elongation in 2 in. or 50 mm, min   %

30

30

For longitudinal strip tests a deduction for each 1⁄32-in. [0.8 mm] decrease in wall thickness below 5⁄16 in. [8mm] from the basic min elongation of the following % points

1.5

1.5

When standard round 2-in. or 50-mm gage length or smaller proportionally sized specimen with the gage length equal to 4D (four times the diameter) is used

22

20

 

Available Dimension Range

OD(mm/inch)


Wall thickness   (SCH)

10

20

30

STD

40

60

XS

80

100

120

140

160

XXS

21.3 (1/2'')






26.7 (3/4'')






33.4 (1'')






42.2 (1 1/4'')






48.3 (1 1/2'')






60.3 (2'')






73 (2 1/2'')






88.9 (3'')






101.6 (3 1/2'')








114.3 (4'')





141.3 (5'')







 


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