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PRODUCT
ASTM A105: American Society for Testing and Material
Carbon Steel Forgings for Piping Applications
Chemical Requirements | |
Element | Composition, % |
Carbon | 0.35 max |
Manganese | 0.60–1.05 |
Phosphorus | 0.035 max |
Sulfur | 0.040 max |
Silicon | 0.10–0.35 |
Copper | 0.40 max |
Nickel | 0.40 max |
Chromium | 0.30 max |
Molybdenum | 0.12 max |
Vanadium | 0.05 max |
Columbium | 0.02 max |
Mechanical Properties | |
Tensile strength, min, psi [MPa] | 70 000 [485] |
Yield strength, min, psi [MPa] | 36 000 [250] |
Elongation in 2 in. or 50 mm, min, | 30 |
When standard round 2-in. or 50-mm gage length or smaller proportionally sized specimen with the gage length equal to 4D is used | 22 |
For 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 percentage points | 1.5 |
Reduction of area, min, % | 30 |
Hardness, HB, max | 187 |
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