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Inconel Alloy Series
Incoloy alloy 925 (UNS N09925) with the additions of molybdenum, copper, titanium and aluminium is an age hard-enable nickel-iron-chromium alloy, providing a combination of high strength and excellent corrosion resistance. Sufficient nickel content provides protection against chloride-ion stress-corrosion cracking whilst in conjunction with the added molybdenum and copper resistance to reducing chemicals is enjoyed. Molybdenum additionally aids resistance to pitting and crevice corrosion whilst Chromium offers resistance to oxidizing environment. During heat treatment a strengthening reaction is caused by the addition of titanium and aluminium.
Application requiring a combination of high strength and corrosion resistance may consider Incoloy alloy 925. Resistance to sulfide stress cracking and stress-corrosion cracking in "sour" crude oil and natural gas environment means that it is used for down-hole and surface gas-well components as well as finding uses in marine and pump shafts or high-strength piping systems.
Highlight:
815 MPA Incoloy Alloy, N09925 Nickel Base Alloy, ASTM B872 Incoloy Alloy
Material: | Ni Fe Cr Mo Ti Al | Nickel(Min): | 42-46% |
Tensile Strength:: | 172 | Yield Strength: | 124 |
Density: | 8.08 G/cm³ | Elongation: | 27% |
Condition: | Hard / Soft | Sureface: | Bright,Oxided |
Delivery Time: | 7-50 Days | Melting Point: | 1311-1366°C |
Hardness: | 336 |
1.Chemical Composition Requirement
The Chemical Composition of Incoloy 925, % | |
Nickel | 42.0-46.0 |
Chromium | 19.5-22.5 |
Iron | ≥22.0 |
Molybdenum | 2.5-3.5 |
Copper | 1.5-3.0 |
Titanium | 1.9-2.4 |
Alumium | 0.1-0.5 |
Manganese | ≤1.00 |
Silicon | ≤0.50 |
Niobium | ≤0.50 |
Carbon | ≤0.03 |
Sulfur | ≤0.03 |
2.Mechanical Properties of Incoloy 925
Tensile Strength, min. | Yield Strength, min. | Elongation, min. | Hardness, min. | ||
Mpa | ksi | Mpa | ksi | % | HRC |
1210 | 176 | 815 | 118 | 24 | 36.5 |
3. Physical Properties of Incoloy 925
Density | Melting Range | Specific Heat | Electrical Resistivity | ||
g/cm3 | °F | °C | J/kg.k | Btu/lb. °F | µΩ·m |
8.08 | 2392-2490 | 1311-1366 | 435 | 0.104 | 1166 |
4. Product Forms and Standards
Product Form | Standard |
Rod, bar & Wire | ASTM B805 |
Plate, sheet & strip | ASTM B872 |
Seamless pipe and tube | ASTM B983 |
Forging | ASTM B637 |
Process Flow