S355JR steel phaj

S355J2 yog micro-alloyed structural steel uas zoo rau ntau yam kev siv tshuab engineering. Nws muaj weldability zoo heev nrog max CEV=0.47 rau txhua qhov sib txawv, thiab nws feem ntau xa nrog cov ntsiab lus ntawm silicon tswj kom tso cai rau cov khoom zoo galvanizing.