20X12VNMF - ep428 sheet, circle, wire
International Equivalent
| Mark | Analogue | W. Nr. | Aisi Uns | En | Order |
|---|---|---|---|---|---|
| 20X12VNMF | EP428 | Delivery from the stock, in stock |
Technical characteristics
Martensitic grade high temperature resistant stainless steel. Specific gravity 7.85 g/cm3. Alloyed with nickel, manganese, molybdenum, vanadium, niobium, tungsten, silicon, combines corrosion resistance, high wear resistance and impact toughness (590 kJ/m2)
Percent composition (GOST 5632−72)
| Fe | С | V | Si | Mn | Ni | P | S | Cr | W | Mo |
|---|---|---|---|---|---|---|---|---|---|---|
| basis | 0.17 — 0.23 | 0.15 — 0.3 | ≤0,6 | 0.5 — 0.9 | 0.5 — 0.9 | ≤0,03 | ≤0,025 | 10.5 — 12.5 | 0.7 — 1.1 | 0.5 — 0.7 |
Mechanical properties (temperature 20°C)
| Range | GOST | s in | sT | d5 | y | Heat treatment |
|---|---|---|---|---|---|---|
| - | MPa | MPa | % | % | - | |
| Bar | 5949−75 | 740 | 590 | 15 | 50 | Hardening 1010 — 1060 °C, oil, Tempering 660 — 670 °C, air, |
| Bar | 18968−73 | 740 | 590−755 | 15 | 50 | Normalization and tempering |
sT — Proportional limit (yield strength for permanent deformation)
sc — Ultimate short term tensile strength
d5 — Tensile elongation at break.
| t°C | E 10- 5 | a 10 6 | l | r |
|---|---|---|---|---|
| Degree | MPa | 1/Gradus | W/(m-degree) | kg/m3 |
| 20 | 2.12 | 7850 | ||
| 200 | 2.02 | 10.9 | 25 | 7800 |
| 400 | 1.9 | 11.4 | 26 | 7760 |
| 600 | 1.67 | 11.9 | 27 | 7700 |
| 700 | 12 | 7670 |
Cold working
Turning, milling, grinding, drilling.
Analogues
| GOST | USA | Japan |
|---|---|---|
| GOST | AISI | JIS |
| 2X12VNMF | 616 | SUH616 |
Applications
Steam and gas turbine components, permanently operating under high load at temperatures up to +600°C
Furnizor
We offer to buy round, wire 20X12VNMF — ep428 from specialized warehouses of the supplier Evek GmbH with delivery in any city. Full compliance with international quality standards. Supplier Evek GmbH offers to buy a circle, wire 20X12VNMF — ep428, the price is optimal in this segment of rolled products.
Buy, bargain price
We offer a circle, wire 20X12VNMF — ep428, the price is determined by the technological features of production without including additional costs. You can order products with non-standard parameters. In the segment of heat-resistant high-alloy steel Evek GmbH is a profitable supplier.