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①,最小螺紋長度: 螺紋的最小長度應等于螺栓基本直徑的兩倍加上0.25英寸(對于6英寸或更短的螺栓标稱長度),以及兩倍基本螺栓直徑加上0.50英寸(對于較長的标稱長度)。 标稱長度太短而無法容納最小螺紋長度的螺栓應為全螺紋螺栓。從頭部或頸部到第一個完整(完整)螺紋的長度不得超過2-1/2螺紋(尺寸小于等于1英寸)和3-1/2螺紋(尺寸大于1英寸)。 |
類似标準及供貨信息
1 | [美标] IFI 544 - 1998 |
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2 | [德标] DIN 48073 - 1975 |
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3 | [美标] ASME/ANSI B 18.5 - 2012 |
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4 | [美标] ASME/ANSI B 18.5 - 2008 |
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5 | [美标] ASME/ANSI B 18.5 - 2012 |
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6 | [美标] ASME/ANSI B 18.5 - 2008 |
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7 | [英标] BS 4933 - 1973 |
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8 | [俄标] GOST 53664 - 2009 |
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9 | [軍标] GJB 3371 (/65) - 1998 |
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10 | [軍标] GJB 3371 (/70~/76) - 1998 |
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11 | [美标] ASME B 18.5 - 2012 (R2017) |
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