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Incoloy 825 nickel-base alloy
Classification:
- Product Description
-
Material designation: Incoloy 825 nickel-based alloy
American grade: UNSN08825
German brand: W.Nr. 2.4858
Chinese brand: NS142
Introduction and properties of Incoloy825(n08825,2.4858) nickel-base alloys
Incoloy825(n08825,2.4858) alloy is a fully austenitic Ni-Fe-Cr alloy stabilized with Ti and added Cu and Mo.
Incoloy825 has the following characteristics
(1) Good resistance to stress corrosion cracking.
(2) Good pitting and crevice corrosion resistance
(3) Good oxidation resistance and non-oxidizing thermal acidity
(4) Good mechanical properties at room temperature and high temperature of 550 ℃
(5) Manufacturing temperature below 450 ℃ pressure vessel certification
Incoloy825(n08825,2.4858) Alloy Chemical Composition
C≤ Si≤ Mn≤ P≤ S≤ Cr≥ Ni≥ Mo≥ With 0.05 0.50 1.00 0.035 0.030 19.5-23.5 38.0-46.0 2.5-3.5 1.5-3.0 Other N≤ Al≤ Ti≤ Fe≤ Co≤ V≤ W≤ Nb≤ - 0.20 0.6-1.2 Allowance - - - - Physical Properties of Incoloy825 Alloy (n08825,2.4858)
Density: ρ = 8.1g/cm³
Melting temperature range: 1370~1400 ℃
Temperature ℃ Specific heat capacity J/KgK Thermal conductivity W/mK resistivity μΩ cm Modulus of elasticity KN/mm2 Coefficient of thermal expansion 10-6/K 20 440 10.8 112 195 93 100 462 12.4 114 190 14.1 200 488 14.1 118 185 14.9 204 300 514 15.6 120 179 15.2 316 400 540 16.9 124 174 15.6 427 500 565 18.3 126 168 15.8 538 600 590 19.6 126 161 16.0 649 700 615 21.0 127 154 16.7 760 800 655 23.2 128 142 17.2 871 900 680 25.7 129 130 17.6 982 1000 710 28.1 130 119 17.9 The mechanical properties of Incoloy825(n08825,2.4858) alloy are as follows
The properties listed in the table below apply to products after softening annealing (stabilizing annealing) of Incoloy825 alloys. Special properties of non-standard size materials can be provided according to specific application requirements.
● Mechanical properties at room temperature (minimum)
Products Specifications Yield strength RP0.2N/mm2 Yield strength RP1.0N/mm2 Tensile strength RmN/mm2 Elongation A50% Sheet Strip/Cold Rolled Sheet/Hot Rolled 0.5-6.4 240 265 585 30 5-100 bar cold working hot working 1.6-64 25-100 >100-240 220 250 550 35 pipe cold working hot working 64-240 180 - 530 30 5-100 240 265 585 30 Condensing and heat exchangers 16-76 ● High temperature mechanical properties (minimum)
Products Specifications Yield strength RP0.2N/mm2 Yield strength RP1.0N/mm2 Tensile strength RmN/mm2 Elongation A50% Sheet Strip/Cold Rolled Sheet/Hot Rolled 0.5-6.4 240 265 585 30 5-100 bar cold working hot working 1.6-64 25-100 >100-240 220 250 550 35 pipe cold working hot working 64-240 180 - 530 30 5-100 240 265 585 30 Condensing and heat exchangers 16-76 ● Incoloy825ISOV notch impact test
Average values at room temperature: axial> = 150J/cm², radial> = 100J/cm², time-temperature-sensitization curve.
Welding process Heat input per unit length kJ/cm Welding process Heat input per unit length kJ/cm GTAW, manual/fully mechanized ≤ 10 MIG/MAG, manual/fully mechanized ≤ 11 Hot Wire GTAW ≤ 6 Manual Arc Welding (SMAW) ≤ 7 plasma arc ≤ 10 Incoloy825 Variety Specification and Supply Status
1. Variety classification: Danyang Xinmao Alloy can produce various specifications of Incoloy825 seamless pipes, Incoloy825 steel plates, Incoloy825 round steel, Incoloy825 forgings, Incoloy825 flanges, Incoloy825 rings, Incoloy825 welded pipes, Incoloy825 steel strips, Incoloy825 wires and matching welding materials.
2. Delivery status: seamless pipe: solid solution + acid white, length can be fixed to size; Plate: solid solution, pickling, trimming; Welded pipe: solid solution acid white + RT% flaw detection, forging: annealing + turning light; The bar is in forged rolling state, surface polished or car polished; The strip is delivered by cold rolling, solid solution soft state and descaled; The wire material is delivered in solid pickled disc or straight strip and solid solution grinding state.
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Incoloy 825 nickel-base alloy
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