Forged steel flanges made of carbon steel or stainless steel, the materials conform to the JIS, ASTM a182, a105, DIN17100 flangeNAMEbutt welded cs pipe fittingsPRODUCTSElbows, reducers, tees, flanges, caps, seamless pipeMATERIALCarbon steel, stainless steel, alloy steelWe can produce according to materials appointed by consumers.STANDARDANSI, ASME, API5L, DIN, JIS, BS, , GBwe can also produce ...