18KH12VMBFR - эи993 sheet, round, wire
International Equivalent
| Mark | Analogue | W. Nr. | Aisi Uns | En | Order |
|---|---|---|---|---|---|
| 18Х12ВМБФР | EI993 | Delivery from the stock, in stock |
Technical characteristics
Stainless steel high alloy high-temperature steel martensite — ferritic class. Specific weight 7.85 g/cm3. The alloy is alloyed with Nickel, manganese, molybdenum, vanadium, niobium, copper, silicon, combines the corrosion resistance, high wear resistance and impact strength (400−900кДж/m2)
The percentage composition of (GOST 5632−72)
| Fe | With | V | Si | Mn | Ni | P | S | Cr | W | Mo | Nb | B |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| basis | 0.15 — 0.22 | 0.15 — 0.18 | ≤0,5 | Of ≤0.9 | ≤0,06 | ≤0,03 | ≤0,025 | 11 — 13 | 0.4 — 0.7 | 0.4 — 0.6 | 0.2 — 0.4 | ≤0,003 |
Steel difficult to weld. Hardness Brinell: HB 10 -1 = 229 N/mm2
Mechanical properties (20°C)
| Assortment | Diameter | Direction | sin | sT | d5 | y | Heat treatment |
|---|---|---|---|---|---|---|---|
| - | mm | - | MPa | MPa | % | % | - |
| Pipe | 30x6 | Cross | 820 | 640 | 17 | 56 | Normalization 1050 °C, Cooling the air, the release of 750 °C, 3 hours. Cooling air, |
| Pipe | 219x27 | Cross | 750 | 590 | 15 | 43 | Normalization 1050 °C, Cooling the air, the release of 750 °C, 3 hours., Cools the air, |
| Rod GOST 5949−75 | Ø 60 | 740 | 490 | 12 | 45 | Quenching and tempering |
blower SB — the ultimate short-term strength
sT — the Limit of proportionality (yield strength for permanent deformation)
d5 — elongation at break.
| t°C | E 10— 5 | a 10 6 | l |
|---|---|---|---|
| Degree | MPa | 1/Degree | W/(m·degree) |
| 20 | 2.28 | 27.6 | |
| 200 | 2.15 | 11.13 | 24 |
| 400 | 1.95 | 11.8 | 26.3 |
| 600 | 1.73 | 12.5 | 28 |
| 800 | 11.6 |
Cold treatment
Turning, milling, grinding, drilling.
Application
Details of steam and gas turbines, continuously operating under high load at t° up to +620°C
Supplier
Offer to buy a sheet, round, wire 18KH12VMBFR, эи993 with specialized warehouses supplier Evek GmbH with delivery to any city. Full compliance with the international quality standards. Supplier Evek GmbH offers to buy sheet, round, wire 18KH12VMBFR, эи993, the price is optimal in this segment of the rental.
To buy, best price
Offer sheet, round, wire 18KH12VMBFR, эи993, price is determined by the technological features of production without the inclusion of additional costs. You can order products in non-standard settings. In the segment of high alloy high-temperature steel Evek GmbH — best supplier.
