ASTM A53 GR.B welded carbon erw steel pipe
ASTM A53 GR.B 1/2 inch welded carbon erw steel pipe 6 meter length for construction
ASTM A53 GR.B 1/2 inch welded carbon erw steel pipe 6 meter length for construction
ASTM A53 GR.B welded black carbon erw steel pipe for construction
1/4" -12" inch Black carbon ERW steel pipe