CrN65VMBU, (circle, wire, tube, sheet, strip) (ep914)
Technical Characteristics
This chromium-nickel alloy is a high-alloyed heat-resistant steel used in parts of gas-turbine engines operating at high temperatures up to 750 °C. Compared to similar alloys - chrome-nickel steels, this grade has increased heat resistance, high resistance to intergranular corrosion and corrosion cracking as well as:
high wear resistance;
resistance to thermal fatigue;
resistance to the negative effects of gases;
heat resistance;
resistance to low-cycle fatigue.
Percentage composition of GOST 5632-72
Ni | Cr | Mo | W | Fe | Si | C | P | S | V | Al | Si |
56 67 | 21.5 - 26.5 | ≤ 2 |
12 - 16 | ≤ 4 | ≤ 0,8 | ≤ 0.1 | ≤ 0.013 | ≤ 0.013 | 0.3 - 0.7 | ≤ 0.5 | to 0.8 |
Alloy range is regulated by
Mechanical properties of rolled products at 20 °C,
Range | s in | sT | d5 | KCU |
MPa | % | kJ/m2 | ||
Bar | 750 | 300 | 45 | |
Sheet, hardened 1050 - 1090°C | 740 | 345-390 | 35 | |
Tape. Tempering 1150 - 1170 °C, air | 700 | 30 |
Application
This corrosion-resistant high-temperature steel grade is used extensively in the manufacture of special machine parts: gas turbine engine parts, combustion engine parts,
Supplier
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