... DIN2633 PN16 Welding NeckMaterial: C22.8, ST37.2, P235GH, S235JR, A105Size: 1/2" to 64"Coating: anti-rust oil, transparent ... lap-joint, socket weldingMaterial: carbon steel, stainless steelSize: 1/2" to 64"sealing surface type: FF(flat face), RF(raised ... oil, black paint, transparent yellow paint, hot dip galvanized, electric galvanizedPackage: seaworthy plywood case, fumigation-free pallet BUTT WELD ...