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PT及NPT螺纹直径标准

来源:动视网 责编:小OO 时间:2025-09-30 01:12:59
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PT及NPT螺纹直径标准

PT及NPT螺纹直径标准英制JIS(PT)55°美制ASA(NPT)60°规格山数外径有效长度有效径山数外径有效长度有效径1/16287.7239.2967.432277.7710.0487.1421/82.72.2969.1472710.11610.0329.41/41913.15713.69612.3011813.42715.0412.4873/81916.66213.69618.8061816.86615.0415.9261/21420.95519.23219.7931420
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导读PT及NPT螺纹直径标准英制JIS(PT)55°美制ASA(NPT)60°规格山数外径有效长度有效径山数外径有效长度有效径1/16287.7239.2967.432277.7710.0487.1421/82.72.2969.1472710.11610.0329.41/41913.15713.69612.3011813.42715.0412.4873/81916.66213.69618.8061816.86615.0415.9261/21420.95519.23219.7931420

PT及NPT螺纹直径标准
英制JIS(PT)55°

美制ASA(NPT)60°

规格山数外径有效长度有效径山数外径有效长度有效径
1/16287.723

9.2967.432277.7710.0487.142
1/8289.728

9.296

9.147

2710.11610.0329.4
1/41913.157

13.69612.301

1813.42715.0412.487
3/81916.662

13.69618.806

1816.86615.0415.926
1/21420.955

19.23219.793

1420.9819.32819.772
3/41426.441

18.59225.279

1426.32619.34425.117
11133.249

23.631.77

11-1/233.93223.53632.461

1-1/41141.91

23.640.431

11-1/241.623.53640.218
1-1/21147.803

23.646.324

11-1/247.75823.53646.287
21159.614

23.658.135

11-1/259.79623.53658.325
2-1/21175.184

23.673.705

872.27333.82470.159
31187.884

23.686.405

888.18233.82486.068
3-1/211100.33

23.698.851

8100.69130.98.776
411113.03

23.6111.551

8113.54833.84111.433
4-1/211125.73

23.6124.251

0000
511138.43

23.6136.951

8141.346.208138.412
5-1/211151.13

23.6149.651

0000
611163.83

23.6162.351

8168.348.768165.252
7111.23

23.6187.751

0000
811214.63

17.84213.515

8219.151.184215.901
1:16[&=1°47′24″(1.79°)]=0.03125,2tan&=1:16, tan&=a/b,  a= tan&*b, b= a/tan&,

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PT及NPT螺纹直径标准

PT及NPT螺纹直径标准英制JIS(PT)55°美制ASA(NPT)60°规格山数外径有效长度有效径山数外径有效长度有效径1/16287.7239.2967.432277.7710.0487.1421/82.72.2969.1472710.11610.0329.41/41913.15713.69612.3011813.42715.0412.4873/81916.66213.69618.8061816.86615.0415.9261/21420.95519.23219.7931420
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