拆股钢丝的反复弯曲次数比较表.doc

拆股钢丝的反复弯曲次数比较表弯曲钢丝光面和B级镀锌钢丝A级镀锌钢丝AB级镀锌钢丝备注钳口直径ISO采用整绳破断拉力试验方法可以削减的弯曲次数半径d1570167017701870196015701670177018701570167017701870mmmmISOGB/T本ISOGB/T本ISOGB/T本ISOGB/T本ISOGB/T本ISOGB/T本ISOGB/T本ISOGB/T本ISOGB/T本GB/T本GB/T本GB/T本GB/T本1.750.6d0.65无此丝径1212无此丝径1211无此丝径1111无此丝径1110无此丝径无10无此丝径88无此丝径87无此丝径7无此丝径无6101010999 80.65d0.7111111101010109此977766此599988870.7d0.751616161515151514强141313131212强11151515141414132.50.75d0.81515151414141413度131212121111度10141414131313120.8d0.91314/131314/13121213/121213/121111111011/101011/10999813/121213/121112/11111030.9d1.01212121211111111111010109999888711111110101091.0d1.11717171716161616161515151414141413131312161616151515141.1d1.215151515141414141413131312121212111111101414141313131243.751.2d1.3131313131212121212111111101010109998121212111111101.3d1.41212121211111111111010109999888711111110101091.4d1.511111111101010101099988887776101010999831.5d1.6141414141313131313121212111111111010109131313121212111.6d1.71313131312121212121111111010101099981212121111111051.7d1.8121212无1211111111无111010无10999无988无8无7111111101010无921.8d1.9111111此1110101010此1099此9888此877此7此6101010999此81.9d2.0101010强109999强988强8777强766强6强5999888强72.0d2.1151515度1514141414度141313度13121212度121111度11度10141414131313度122.1d2.2141414级1413131313级131212级12111111级111010级10级9131313121212级112.2d2.31414141413131313131111111010101099981212121111111032.3d2.4131313131212121212111111101010109998121212111111107.52.4d2.51212121211111111111010109999888711111110101092.5d2.61111111110101010109998888777610101099982.6d2.710101010999998887777666599988872.7d2.8101010109999988877776665999888722.8d2.99999888887776666555488877762.9d3.0999988888777666655548887776表8 (续)弯曲钳口半径钢丝直径d光面和B级镀锌钢丝A级镀锌钢丝AB级镀锌钢丝备注ISO采用整绳破断拉力试验方法可以削减的弯曲次数mmmm1570167017701870196015701670177018701570167017701870ISOGB/T本ISOGB/T本ISOGB/T本ISOGB/T本ISOGB/T本ISOGB/T本ISOGB/T本ISOGB/T本ISOGB/T本GB/T本GB/T本GB/T本GB/T本3.0d3.1121212无1111111111无10101010999无9888无511111010101093.1d3.2121212此1111111111此101010999此9888此511111010101093.2d3.3111111强1010101010强999888强8777强410109999823.3d3.4111111度1010101010度99无9888度877无7度410109999无83.4d3.5101010级99999级88此8777级766此6级3998888此73.5d3.6988强66强3887777强63.6d3.7无8无无7无无7无无无无度无无5无无5无无度无无2776666度5103.7d3.8此7此此6此此此此此此级此此5此此此此级此此266555级43.8d3.9范7范范6范范范范范范范范5范范范范范范26655543.9d4.0围6围围5围围围围围围围围4围围围围围围25544434.0d4.1钢13钢钢12钢钢钢钢钢钢钢钢8钢钢钢钢钢钢51212111111104.1d4.2丝12丝丝11丝丝丝丝丝丝丝丝7丝丝丝丝丝丝511111010109154.2d4.3直11直直10直直直直直直直直7直直直直直直4101099984.3d4.4径11径径10径径径径径径径径7径径径径径径4101099984.410963998887说明：1. 与ISO中直径相同,公称抗拉强度相同的,与ISO等同；2. 与ISO中直径相同,本标准草案增加的公称抗拉强度级(1670、1870Mpa)，与ISO相邻较高公称抗拉强度级（1770、1960 Mpa级）等同；3. 对于超出ISO中直径范围的（3.5d4.4mm）、超出公称抗拉强度的（A级镀锌钢丝1870 Mpa级）按ISO规律给出。4. 对于小于ISO中直径范围的（0.6d0.8mm）,与GB/T的强度级相同的(1570、1770Mpa级)，按GB/T的数值给出；对GB/T中没有的强度级（光面1960Mpa级、AB类1870Mpa级和A 类1770、1870Mpa级），按GB/T的规律推算给出；对于1670、1870Mpa级按GB/T中相邻较高级别（1770、1960Mpa级）给出。5