Povolené tolerance vnějšího průměru podle ASTM A450 / A450M, ASTM A1016 / A1016M (ASME SA) |
Vnější průměr |
Válcované za tepla | do 4" (101.6 mm) | - 1/ 32 (0.8 mm) | +1/64 (0,4 mm) |
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4" - 7 1/2" (101.6 - 190.5 mm) | -3/64 (1.2 mm) | +1/64 (0,4 mm) |
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Tvářené za studena | do 1" (25.4 mm) | - 0.004 (0.1 mm) | + 0.004 (0.1 mm) |
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1" - 1 1/2" (25.4 - 38.1 mm) | - 0.006 (0.15 mm) | + 0.006 (0.15 mm) |
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1 1/2" - 2" (38.1 - 50.8 mm) | - 0.008 (0.2 mm) | + 0.008 (0.2 mm) |
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2" - 2 1/2" (50.8 - 63.5 mm) | - 0.010 (0.25 mm) | + 0.010 (0.25 mm) |
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2 1/2" - 3" (63.5 - 76.2 mm) | - 0.012 (0.3 mm) | + 0.012 (0.3 mm) |
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3" - 4" (76.2 - 101.6 mm) | - 0.015 (0.38 mm) | + 0.015 (0.38 mm) |
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4" - 7 1/2 " (101.6 - 190.5 mm) | - 0.015 (0.38 mm) | + 0.025 (0.64 mm) |
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