H Nqaj Kub Kub Rolled Steel ASTM A709
Cov qoob loo muaj zog ntawm Astm A709 cov hlau yog tsawg kawg 295MPA (GR36 yog 250mpa, HPS 70W yog 485MPA). Lub zog tensile ntawm A709 qauv hlau sib xyaw nrog cov kev cuam tshuam kev tsim kho thiab Weldability tsim kho, uas haum rau cov kev ua kom zoo.