Steel Grade（鋼級(jí)）:  SAE1010, SAE1020, SAE1035,  SAE1045, etc.
Standards   （標(biāo)準(zhǔn)）: A179, A192, SA556, etc.
Size Range  （尺寸范圍） : OD（外徑）: 10-80mm  
WT（壁厚）: 1-10mm
Annual Output（年產(chǎn)量）: 45,000T