45khn2mfa - k2425 - 45hnmf pipe, round, bar
International Equivalent
| Mark | Analogue | W. Nr. | Aisi Uns | En | Order |
|---|---|---|---|---|---|
| 45HN2MFA | k2425 | 45hnmf | Delivery from the stock, in stock |
Technical characteristics
Structural alloyed steel. Brinell hardness after annealing HB 10 -1 = 269 MPa. Steel difficult to weld, 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 (temperature 20°C)
| Range | GOST | s in | sT | d5 | y | KCU | Heat treatment |
|---|---|---|---|---|---|---|---|
| - | MPa | MPa | % | % | kJ/m2 | - | |
| rods | 4543−71 | 1420 | 1275 | 7 | 35 | 390 | Quenched at 860 °C, oil, |
| t°C | E 10- 5 | a 10 6 | l | C | R 10 9 |
|---|---|---|---|---|---|
| Degree | N/mm2 | 1/Gradus | 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 |
Sv — Ultimate Short-Term Strength
sT — Limit of proportionality (yield strength for permanent deformation)
d5 — Tensile elongation at break.
KCU — Impact toughness
E — Modulus of elasticity of the first kind [MPa]
a — Coefficient of thermal (linear) expansion
l — Coefficient of thermal conductivity (heat capacity of the material)
Application
Torsion shafts, gear boxes and other stressed parts operating under torsional repeated-variable loads and experiencing dynamic loads.
Analogues
| Bulgaria | Poland |
|---|---|
| BDS | PN |
| 45ChN2MFA | 45HNMF |
Provider
We offer to buy tube, round, bar 45ChN2MFA, k2425, 45hnmf at affordable price from specialised warehouse of supplier Evek GmbH with delivery in any city. You can order the products of non-standard parameters. We have the best price-quality ratio for the whole range of products. Supplier Evek GmbH offers to buy pipes, rounds, bars 45KhN2MFA, k2425, 45hnmf, the price is optimal in this segment of rolled products.
Buy, bargain price
Supplier Evek GmbH offers pipe, round, bar 45KhN2MFA, k2425, 45hnmf, price — determined by the technological features of production without including additional costs. The company’s web site displays information on the latest arrivals of products. Buy 45KhN2MFA pipe, round, bar, k2425 or any similar type of rolled products today. In the segment of rolled steel, Evek GmbH is a profitable supplier.