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发表于 2020-3-22 09:58:50
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ASME B16.5-2017 P13页表1C已经规定Stud bolts的设计标准合金钢为 ASME B18.31.2
Table 1C e17T Flange Bolting Dimensional Recommendations
Product Carbon Steel Alloy Steel
Stud bolts ASME B18.31.2 ASME B18.31.2
Bolts smaller than
3
∕ 4 in. ASME B18.2.1, square or heavy hex head ASME B18.2.1, heavy hex head
Bolts equal to or larger than
3
∕ 4 in. ASME B18.2.1, square or heavy hex head ASME B18.2.1, heavy hex head
Nuts smaller than
3
∕ 4 in. ASME B18.2.2, heavy hex ASME B18.2.2, heavy hex
Nuts equal to or larger than
3
∕ 4 in. ASME B18.2.2, hex or heavy hex ASME B18.2.2, heavy hex
External threads ASME B1.1, Cl. 2A coarse series ASME B1.1, Cl. 2A coarse series up through 1 in.;
eight thread series for larger bolts
Internal threads ASME B1.1, Cl. 2B coarse series ASME B1.1, Cl. 2B coarse series up through 1 in.;
eight thread series for larger bolts |
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