45khn2mfa - k2425 - 45hnmf pipe, round, rod
International Equivalent
| Mark | Analogue | W. Nr. | Aisi Uns | En | Order |
|---|---|---|---|---|---|
| 45ХН2МФА | k2425 | 45hnmf | Delivery from the stock, in stock |
Technical characteristics
Alloy structural steel. Hardness on the Brinell hardness after annealing HB 10 -1 = 269 MPa. Difficult weldability of the steel, not prone to temper embrittlement.
Percentage composition, GOST 4543−71
| Fe | C | Si | Mn | Ni | S | P | Cr | Mo | V | Cu |
|---|---|---|---|---|---|---|---|---|---|---|
| basis | 0.42 — 0.5 | 0.17 — 0.37 | 0.5 — 0.8 | 1.3 — 1.8 | ≤0.025 | ≤0.025 | 0.8 — 1.1 | 0.2 — 0.3 | 0.1 — 0.18 | ≤0.3 |
Mechanical properties (20°C)
| Assortment | GOST | sin | sT | d5 | y | KCU | Heat treatment |
|---|---|---|---|---|---|---|---|
| - | MPa | MPa | % | % | kJ / m2 | - | |
| Bars | 4543−71 | 1420 | 1275 | 7 | 35 | 390 | Tempering 860 °C, oil, |
| t°C | E 10— 5 | a 10 6 | l | C | R 10 9 |
|---|---|---|---|---|---|
| Degree | N/mm2 | 1/Degree | W/(m·degree) | J/(kg·degree) | Ohm·m |
| 20 | 2.16 | 34 | 300 | ||
| 100 | 2.07 | 11 | 34 | 480 | 363 |
| 200 | 1.97 | 11.6 | 33 | 500 | 460 |
| 300 | 1.88 | 12.1 | 32 | 520 | 557 |
| 500 | 1.68 | 13.3 | 30 | 555 | 822 |
| 700 | 1.36 | 13.9 | 27 | 1160 | |
| 800 | 1.28 | 11.9 | 26 |
sin the Limit of short-term strength
sT — the Limit of proportionality (yield strength for permanent deformation)
d5 — elongation at break.
KCU — Impact strength
E — the Modulus of elasticity of the first kind [MPa]
a — Coefficient of thermal (linear) expansion
l — Coefficient of thermal conductivity (the heat capacity of the material)
Application
Torsion bars, gear boxes and other loaded parts operating under torsional alternating loads and subject to dynamic loads.
Analogues
| Bulgaria | Poland |
|---|---|
| BDS | PN |
| 45ChN2MFA | 45HNMF |
Supplier
Offer to buy pipe, round, rod 45KHN2MFA, k2425, 45hnmf at an affordable price with specialized warehouses supplier Evek GmbH with delivery to any city. You can order products in non-standard settings. We have the best price and quality for the entire range of products. Supplier Evek GmbH offers to buy pipe, round, rod 45KHN2MFA, k2425, 45hnmf, the price is optimal in this segment of the rental.
To buy, best price
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