mandy@zcsteelpipe.com
+86 139 1579 1813
Square Steel Tube-
Square Steel Tube
Marterial: S235JR, S355JR, S275JR, C350LO, C250LO, G250, G350 ( C450LO ) Standard or Grade: ASTM A500, ASTM A53, EN 10210, EN 10219, JIS G 3466, BS 1387, BS 6323.