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[China]
Trade Verify
Address: Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China
Contact name:Richard SHEN
TORICH INTERNATIONAL LIMITED |
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Verified Suppliers
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ASTM A178 GR A,C,D Welded Boiler Steel Tube for Boiler
| Chemical Requirements | |||
| Element | Composition, % | ||
| Grade A, Low-Carbon Steel | Grade C, Medium Carbon Steel | Grade D, Carbon Manganese Steel | |
| Carbon | 0.06–0.18 | 0.35 max | 0.27 max |
| Manganese | 0.06–0.18 | 0.80 max | 1.00–1.50 |
| Phosphorus, max | 0.035 | 0.035 | 0.03 |
| Sulfur, max | 0.035 | 0.035 | 0.015 |
| Silicon | 0.10 min | ||
TABLE 2 Tensile Requirements
| TABLE 2 Tensile Requirements | ||
| 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 | 1.50A | 1.50A |
| each 1⁄32-in. [0.8 mm] decrease in wall thickness below 5⁄16 in. [8 mm] from the | ||
| basic minimum elongation of the following percentage points shall be made. | ||
