1.Casting Socket Weld Tee(SW) 2.SS304,316 3.Size 1/8"-4" ... SP-114 Standard,ISO 9001-2008 1. Casting Socket Weld Tee(SW) comply with Casting : chemical properties per ASTM A351 ... 1/8"-4" for stainless steel pipe fittings: elbow,union, tee, cross, bushing, cap, nipple,nut etc. 3. Casting Socket ... Weld Tee : material chemical composition MAXC%Mn%Si%S%P%Cr%Ni ...