ASTM A992 steel muaj cov ntsiab lus me me ntawm vanadium lossis columbium, tooj liab, npib tsib xee, chrome thiab molybdenum, tag nrho cov no zoo heev txhim kho A992 cov cuab yeej cuab tam.


Cim npe nrov: A992 A871 UNIVERSAL BEAM, Tuam Tshoj A992 A871 UNIVERSAL BEAM manufacturers, lwm tus neeg, Hoobkas


