CrN60MVTU-VD, (circle, wire, tube, sheet, strip) (ep487)
Relevance
This chromium-nickel alloy is a high-alloy heat-resistant steel used in the construction of gas turbine engines. This steel is designed to operate at high temperatures up to 1000 °C. Compared to similar alloys - chromium-nickel steels, this steel grade has increased heat resistance, high resistance to intergranular corrosion and to corrosion cracking.
Percentage composition of GOST 5632-72
| Ni | Cr | Mo | W | Fe | Si | C | P | S | Ti | Al | Si |
| 51- 63 | 23.5 - 26.5 | ≤ 2 | 13 - 16 | ≤ 4 | ≤ 0,8 | ≤ 0.1 | ≤ 0.013 | ≤ 0.013 | 0.3 - 0.7 | ≤ 0.5 | ≤ 0.8 |
When selecting steel individual tests of corrosion resistance at temperature, loading in contact with technological media, duration of continuous operation under specific conditions of industrial production are decisive
Mechanical properties of rolled steel (t° 20°C),
| Range of products | 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 | ||
Due to the high performance qualities, steel is widely used by modern industry / With the advent of such materials of the new generation, it became possible to ensure long-term reliable operation of equipment in the most extreme conditions. Due to tungsten additives, cold-rolled stainless steel tube CHN60MVTU-vd is heat-resistant, so it can be used in the temperature range up to 1000 °C. The unique properties of the material are due to its balanced composition and special processing technology
Application
This steel grade is practically irreplaceable in transport engineering and aircraft construction as its excellent properties make it an ideal material for fasteners and other parts for gas turbines. The main advantages of this steel are the following qualities:
good ductility;
resistance to thermal fatigue;
resistance to the negative effects of hot gases;
heat resistance;
Low-cycle fatigue resistance.
Supplier
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