Shanghai Ansha supply 3A standard pipe fitting, we choose BPE special raw material for the fittings, the raw pieces formed from cold press. All material specification/heat No./roughness etc...marked on the fiting surface. The EN 10204 3.1B certificate can be provided.
Standard: 3A
Specification: 0.5"~8.0"
Material: 304, 304L, 316, 316L
Surface: 180Grit (Ra0.46~0.58), 240 Grit (Ra0.34~0.46), 320Grit (Ra0.21~0.25)