1.Diameter range:0.2-13mm 2.Main application:making spring,mattress,wire rope. 3.Standard:GB4357- ... ,SAE1006/1008/1010/1012/1016/1022/1025/1030/1035,45#, 2.55#60#, 70#, 75#, 72A, 72B, 82B, 65Mn3.Diameter range ... -12701270-147012.00 1080-12701270-147013.00 1030-12201220-1420 2.2mm mattress spring steel wire