Products name: stainelss steel threaded screwed pipe fittings Material: 304 / 316 / 304l / 316l Casting process: investment casting Size: 1/8”-6” End type: thread/socket weld/butt weld Threads: npt / bspt / bsp / din2999 / iso7-1 / iso228 Weld: din 3239 / asme b16.25