Sheet, strip 20h3mvf - ei 415
International Equivalent
| Mark | Analogue | W. Nr. | Aisi Uns | En | Order |
|---|---|---|---|---|---|
| 20Х3IMF | EI415 | Delivery from the stock, in stock |
Technical characteristics
Stainless steel of heat-resistant, relaxation-resistant pearlitic class. Specific gravity 7.8 g/cm3. Alloy is alloyed with nickel, manganese, molybdenum, vanadium, niobium, tungsten, silicon, combines corrosion resistance, high wear resistance and impact toughness (400−590 kJ/m2).
Percentage composition (GOST 5632−72)
| Fe | С | V | Si | Mn | Cu | Ni | P | S | Cr | W | Mo |
|---|---|---|---|---|---|---|---|---|---|---|---|
| basis | 0.15 — 0.23 | 0.6 — 0.85 | 0.17 — 0.37 | 0.25 — 0.5 | ≤ 0.2 | ≤ 0.3 | ≤0,03 | ≤0,025 | 2.8 — 3.3 | 0.3 — 0.5 | 0.35 — 0.55 |
Steel is difficult to weld. Brinell hardness: HB 10 -1 = 269 N/mm2. Recommended application temperature up to 560 °C, service life 1000 — 10000 h.; Intensive scale formation temperature 600 °C;
Mechanical properties (temperature 20°C)
| Range | GOST | Direction | s in | sT | d5 | y | Heat treatment |
|---|---|---|---|---|---|---|---|
| - | mm | - | MPa | MPa | % | % | - |
| bars, strips, | 20072−74 | Longitudinal | 880 | 735 | 12 | 40 | Hardening 1030 — 1060 °C, oil, Tempering 660 — 700 °C, |
| Shaft, rotor | Longitudinal | 750 | 650 | 13 | 40 | Hardening 1030 — 1060 °C, oil, Tempering 660 — 700 °C, |
sT — Ultimate short term tensile strength
sT — Tensile strength (yield strength for permanent deformation)
d5 — Tensile elongation at break.
| t°C | E 10- 5 | a 10 6 | l | C | R 10 9 |
|---|---|---|---|---|---|
| Degree | MPa | 1/Gradus | W/(m-degree) | J/(kg-degree) | Ohm-m |
| 20 | 2.07 | 38.5 | |||
| 200 | 2 | 11.5 | 33.1 | 560 | 465 |
| 400 | 1.86 | 12.1 | 30.6 | 650 | 640 |
| 700 | 1.71 | 28.9 | 982 |
Cold working
Turning, milling, grinding, drilling.
Analog
GOST: EI579
Application
Rotors, disks, forgings, bars, fasteners; high pressure pipes.
Supplier
We offer to buy the sheet, strip 20х3мвф, ЭИ 415 from the specialized warehouses of the supplier Evek GmbH with delivery in any city. Full compliance with international quality standards. Supplier Evek GmbH offers to buy sheet, strip 20h3mvf, ei 415, price — optimal in this segment of rolled products.
Buy, bargain price.
We offer sheet, strip 20h3mvf, ei 415, the price is determined by the technological features of production without the inclusion of additional costs. It is possible to order products with non-standard parameters. In the segment of heat-resistant high-alloy steel Evek GmbH is a profitable supplier.