ASTM A1020/A1020M-02(2012)
$26.00
Standard Specification for Steel Tubes, Carbon and Carbon Manganese, Fusion Welded, for Boiler, Superheater, Heat Exchanger and Condenser Applications (Withdrawn 2017)
1.1 This specification covers minimum wall thickness welded tubes made from carbon and carbon manganese steels listed in Table 1, with various grades intended for use in boiler, superheater, heat exchanger, or condenser applications.
TABLE 1 Chemical Requirements, Composition, %
|
Element |
Grade A |
Grade C |
Grade D |
|
Carbon |
0.06???0.18 |
0.30 max |
0.27 max |
|
Manganese |
0.27???0.63 |
0.80 max |
1.00???1.50 |
|
Phosphorus |
0.035 max |
0.035 max |
0.030 max |
|
Sulfur |
0.035 max |
0.035 max |
0.015 max |
|
Silicon |
No Requirement |
No Requirement |
0.10 min |
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