Carbon Steel Classification

10 # 20 # A3 Q235A 20g 20G 16Mn ASTM A234 ASTM A105 ASTM A403, thiab lwm yam
Seamless tees DN15 txog DN800 feem ntau ua raws li cov qauv ntawm GB/T12459-2005 hauv Suav teb.
Qhov loj dua yog nyob rau hauv welded tee nrog seams, thiab tus qauv ua tiav yog GB / T13401-2005