直径部件编号规格分钟断裂强度每 100′约重1/2SW5063637商业22,200439/16SW5663637商业27,800545/8SW6263637商业34,100673/4SW7563637商业44,400967/8SW8763637商业64,8001311SW1063637商业83,3001701-1/8SW1163637商业103,7002161-1-4SW1263637商业126,200266