Chrome Sockets Welded Flanged Pipe Fittings Forging: Rainbowmold is a specialist manufacturer of custom forged flanges and pipe fittings for global OEM/ODM buyers. Our capability covers weld-neck, slip-on, blind and threaded flanges, plus elbows and tees, produced in carbon steel, stainless steel 304/316, brass and alloy steel to tight tolerances. Backed by 20+ years of experience, ISO 9001 and ISO 14001 quality systems, and compliance with ANSI, ASME, DIN, BS, GB, ISO and JIS, we deliver from rapid prototype and tooling through mass production with DFM support and door-to-door logistics. Send us your drawing or sample for engineering feedback and a fast, competitive quote.
Carbon Steel 20# Q235 ASTM A234 WPD 4 X 3 inch std40 Concentric Eccentric Reducer





Chrome Sockets Welded Flanged Pipe Fittings Forging: Rainbowmold forges and machines the Chrome Sockets Welded Flanged Pipe Fittings Forging through our 28-year dedicated flange and pipe-fitting line. conforms to ASME B16.5 / B16.9, EN 1092, DIN 2633-2642, JIS B2220 and GB ranges up to Class 2500. we forge carbon, alloy and stainless grades (A105, 304/304L, 316/316L, duplex, F51/F91) to the required schedule. The range covers blind, weld-neck, slip-on, threaded, socket-weld, elbow, tee, reducer and custom-forged fittings. we supply EN 10204 3.1 mill certs, PMI, and UT / MT / PT inspection for code-compliant traceability. Products ship to power plant, chemical plant, pipeline and pressure-vessel applications under an ISO 9001 / ISO 14001 system, with PED/CE marking available for European projects. Send your tag number, drawing or size-Pressure Class for a competitive forged-flange quotation.