ASTM B444 Nickel Alloy UNS N06625 Inconel 625 Oil And Gas Pipe Tube
ASTM B444 Nickel Alloy UNS N06625 Inconel 625 Oil and Gas Pipe and Tube
YuHong Group, one of the leading suppliers in China,we supply nickel alloy seamless pipes and tubes with high quality to our customers and we have many experiences in exporting.
Alloy 625 is a nickel-chromium-molybdenum solid solution strengthened alloy that provides superior corrosion resistance in aggressive environments coupled with excellent strength and weldability. it is commonly referred to by the tradename Inconel 625 and the universal designation UNS N06625.
Distinctive Characteristic
Corrosion Resistance
Inconel 625 has excellent corrosion resistance in a wide range of environments, including reducing and oxidizing acids, organic acids, salts, alkalis, and seawater.
Workablity
Inconel 625 has good hot and cold workability in the annealed condition. Hot-working should be done above 1600°F (871°C) to ensure adequate ductility, while cold work is performed below 1200°F (649°C).
Elevated Temperature Resistance
Inconel 625 exhibits superior resistance to recurrent heating/cooling cycles.Additionally, the high chromium content in Alloy 625 provides excellent oxidation and scaling resistance at temperatures up to 1800°F (982°C).
Chemical Composition max% Nickel Chromium Molybdenum Columbium Alloys
| C | Mn | Si | P | S | Cr | Nb+Ta | Co | Mo | Fe | Al | Ti | NiA |
| 0.1 | 0.5 | 0.5 | 0.15 | 0.15 | 20-23 | 3.15-4.15 | 1 | 8-10 | 5 | 0.4 | 0.4 | 58min |
A Element shall be determined arithmetically by difference
Heat Treated Conditions
| Condition | Service Temperature |
| Grade 1 Annealed | up to 1100°F (593°C) |
| Grade 2 Solution Annealed | above 1100°F (593°C) when resistance to creep and rupture is required. |
Mechanical Property
| Condition | Tensile Strength min | Yield Strength min | Elongation min |
| Grade 1 AnnealedA | 120 ksi (827 MPa) | 60 ksi (414 MPa) | 30% |
| Grade 2 Solution AnnealedB | 100 ksi (690 MPa) | 40 ksi (276 MPa) | 30% |
A Annealed at 1600°F (871°C) minimum
B Solution annealed at 2000°F (1093°C) minimum, with or without subsequent stabilization anneal at 1800°F (982°C) minimum to increase resistance to sensitization.
Applications
Oil & Gas
Furnaces
Electronics
Aerospace
Food Processing
Nuclear Power Generation
Heat-treating Fixtures
Chemical Processing
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