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供应2.4999钴基合金 2.4999高温合金棒 锻件可定做加工
概述:
2.4999是一种多相合金系统的镍钴基合金,具有高强度,韧性,延展性和耐蚀性等特性。该合金经过强化和老化以获得260至300ksi(1793-2068MPa)的强度水平。W.Nr2.4999合金在硫化氢,盐水和其他氯化物溶液以及无机酸(硝酸,盐酸,硫酸)中均有抗腐蚀性。此外,它还具有抗海水等恶劣环境的缝隙和应力腐蚀开裂的能力。
2.4999对应的国际牌号:
Trademark | GB | ASTM | UNS | W.Nr |
MP35N | MP35N | AMS 5844 VIM VAR AMS 5845 VIM VAR AMS 5758 VIM VAR | UNS R30035 | W.Nr 2.4999 |
化学成分:
Weight% | Ni | Co | Cr | Mo | Ti | Fe | Si | Mn | P | B | S | C |
33 | Balance | 19 | 9 | 1 | 1 | 0.15 | 0.15 | 0.015 | 0.01 | 0.01 | 0.03 | |
2.4999 | 37 | 21 | 10.5 | Max | Max | Max | Max | Max | Max | Max | Max |
机械性能:
2.4999 | Ultimate Tensile Strength | 0.2% Offset Yield Strength | Elongation in 4D | Reduction of Area | Hardness | Shear Strength | ||||||
Typical Properties of Solution Treated (Annealed) | 130 ksi(896 MPa) | 55 ksi(379 MPa) | 65% | 75% | 90 HRB | - | ||||||
Typical Properties of AMS 5844 Product after 4 Hour Age at 1050℉(556℃)* | 290 ksi(2000 MPa) | 280 ksi(1931 MPa) | 10% | 45% | 51 HRC | - | ||||||
AMS 5844 Specification Requirements after Aging 4 Hours at 1000-1200℉ (538-648℃ | 260 ksi(1795 MPa),min. | 230 ksi(1585 MPa),min. | 8%,min. | 35%,min. | - | 150 ksi(1034 Mpa),min. |