ASTM A234 Pipe Fittings
ASTM A234 is standard specification for wrought carbon steel & alloy steel pipe fittings which covers seamless and welded types.
ASTM A234 WPB Fittings
ASTM A234 Pipe Fittings
Carbon Steel Pipe Fittings
Alloy Steel Pipe Fittings
9 9 月, 2019