板棒ASTMA227M1980ASTMA2281977ASTMA2291977ASTMA2301977ASTMA231ASTMA232ASTMA401ASTMA407ASTMAA417ASTMA679ASTMA764供A227M弹簧钢A228弹簧钢A229A230日本:PX4PX5PDS-3PDS-5PAK90PD555PD613SGTS50CSC5CSUS303SUS304SUS410SUS420SUS630SCM440******20SUP9SK3SK4SKT4SKS3SKS41SLDSLD8SLD10***400ASNC815SPHDSS41SS330SS400SS490S-StarGFAGOAGENA1G-StarDACDAC10DA***5DAC55DEX20DEX40DEX60DH21DH31-SDH42DH62DHADH2FDC11DC53DMFDACYEMYEM-KYHD3YHD27YHD28YHD45YK30YSSYXR3YXR33YXM1YXM4YXM42MH51MH85NAK55NP8NP9ARK1H3100HAP10HAP40HAP72化学成分联系电话：15913779293欧阳小姐)