... 16Mng 20R,20g,Q235 etc.1-10/5-120X≤ 2000X≤8000GB8547-87Or ASTM B 898-99 orJISG3601-92Petrochemical, chemical ... etcT1,T2,T3,T4 etc.1-10/5-120X≤ 2000X≤8000GB8547-87Or ASTM B 898-99 orJISG3601-92Petrochemical, chemical, ... ,T2,T3,T4 etc.1-10/5-50X≤2000X≤8000GB8547-87Or ASTM B 898-99 orJISG3601-92Power plant ... TA10/N2,N4,N6 etc.1-10/5-50X≤2000X≤8000GB8547-87Or ASTM B 898-99 orJISG3601-92MetallurgyTechnique The ...