1, commodity: steel wire rod 2, OD:6-20mm 3, grade: 30MnSi, 20Mn2A, 1, commodity: steel wire rod2, size: Φ6.5-Φ20mm3, grade: 30MnSi, 20Mn2A, C82DA,C72DA, SUP11, 10B21,ML40Gr, ML20Mn TiR, SCM440, SCM420-1, SCM420-435,SWRCH18A-22A,SWRCH25K-35K, SWRH72A/B, SWRH77B, SWRH82B, 35#--65#,70#--75#,80#4, Description: GB/T700-1998, BS4449-1997, ASTMA615-96a, JIS G3112 SD3905, Application: construction, ...