技术要求 | ||
使用材料 | 40#45#60# 65# 70# 72A# 82B | |
钢绞线规格 | 1*3- 7.94mm (5/16") | |
1*7-6.35mm (1/4") | ||
1*7-9.52mm (3/8") | ||
1*7-11.11mm (7/16") | ||
常规单丝线径(mm) | 1*3- 7.94mm (5/16"): 2.64 mm | |
1*7-6.35mm (1/4"): 2.03 mm | ||
1*7-9.52mm (3/8"): 3.05 mm | ||
1*7-11.11mm (7/16"): 3.68mm | ||
锌层要求: | ASTM A 475 C级 | |
锌层重量(g/m2) | 1*3- 7.94mm (5/16"): min 732 g/m2 | |
1*7-6.35mm (1/4"): min 549 g/m2 | ||
1*7-9.52mm (3/8"): min 778 g/m2 | ||
1*7-11.11mm (7/16"): min 824g/m2 | ||
最小破断力要求(lb) | 1*3- 7.94mm (5/16"): 6,500 | |
1*7-6.35mm (1/4"): 4,750 | ||
1*7-9.52mm (3/8"): 10,800 | ||
1*7-11.11mm (7/16"): 14,500 | ||
捻距 | 不超过16倍 | |
捻向 | 左向 | |
包装 | 木轴 |