KhN56MBYUD (circle, wire, tube, sheet, strip) (ek62vd)
Technical characteristics
Heat resistant nickel-based alloy of this grade is used in production of equipment and parts which are operated both at high temperature and in cryogenic environments. This alloy is designed for gas turbine blades and nozzle rudders.
| Range | Standard | Technical specifications |
|---|---|---|
| Alloy strips, plates | В33 | 14-1-4381-87 |
| Machining by pressure. Forgings. | В03 | 14-1-4025-85 |
| Shaped section rolled products | В32 | 14-1-5045-91, 1-3763-84 |
The main requirements to the metal for the turbine blades production are caused by the latest developments of the engine designs, continuous increase in plasticity, resistance to low-cycle, thermal fatigue, heat resistance and resistance to gaseous media. Material in modern engines for turbine blades must have high resistance to fracture under thermal, low-cycle fatigue, which is the main type of fracture today. The danger of failure can be exacerbated by surface reactions, occurring due to softening of grain boundaries and gas corrosion.
Specifications, GOST
| Range | GOST, TU |
| Round high-quality steel surface with special finish | 14 955-77 |
| Hot-rolled steel round bars | 2590-2006 |
| Hot-rolled square steel bars | 2591-2006 |
| High precision shaped steel sections | 14-11-245-88 |
| Round, square forged steel | 1133-71 |
| Forged, hot-rolled tool steel strips | 4405-75 |
| Round steel calibrated | 7417-75 |
| Square steel calibrated. | 8559-75 |
| Hot rolled steel bars | 103-2006 |
| Calibrated, section steel is corrosion-resistant, heat-resistant, heat-resistant | 5949-75 |
| Calibrated hexagonal bar | 8560-78 |
| Forged steel square, round | 1133-71 |
| Heat-resistant, heat-resistant, corrosion-resistant, high-alloy steels | 5632-72 |
| Hot-rolled section steel hexagonal bar | 2879-2006 |
Vendor
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