Product Description and Application
UNS N07750 is also known as W.N.2.4669,X750, GH4145
UNS N07750 has good corrosion resistance and oxidation resistance below 980℃, high strength below 800℃, good relaxation resistance below 540℃ as well as good formability and welding performance, which is used for corrosion resistant flat wave spring, circumferential spiral spring, spiral spring, spring clamp, seal ring and etc below 540℃.
Process Performance and Requirements
Vacuum Induction Furnace(VIM) and Electroslag Remelting Furnace(ESR)
Alloy Grade | % | Ni | Cr | Fe | Nb | Co | C | Mn | Si | S | Cu | Al | Ti |
UNS N07750 | Min | 14 | 5.0 | 0.7 | 0.4 | 2.25 | |||||||
Max | 70 | 17 | 9.0 | 1.2 | 1.00 | 0.08 | 1.00 | 0.5 | 0.01 | 0.5 | 1.0 | 2.75 |
Density | 8.28 g/cm3 |
Melting Point | 1393-1427℃ |
Alloy | Tensile strength Rm N/mm2 | Yield strength RP0.2N/mm2 | Percentage Elongation A5 % | Brinell hardness HB |
Solution Treatment | 1267 | 868 | 25 | ≤400 |
Professional Customization
Cold-drawn Wire | ¢0.3~¢18mm(Delivery in rolls or trays) |
Hot-Rolling Wire | ¢5.5~¢20mm(Delivery in rolls) |
Strip | thickness 0.1~4.5*width 6~350mm(Supply in rolls or straight strips) |
Smooth Forged Rod on a Lathe | ¢60~350mm,L800-2500mm |
Hot-rolled Burnishing | ¢20~80mm,L1000-5000mm |
Cold Drawn and Burnishing | ¢2.5~18mm,L1000-8000mm |
Seamless Tube | ¢1~275mm,wall thickness 0.2~30,L1000-8000mm |