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5KHV2SF - 1.2542 - nz2 circle, rod, sheet, strip
Technical specifications
Steel tool alloy. The temperature of the critical points of the material Ac1 = 730, Ac3 (Acm) = 780, Mn = 205. The hardness after annealing (GOST 5950−2000) HB 10 -1 = 255 MPa
Application
Manufacturing of hammer stamps of steam-air and pneumatic hammers with a mass of falling parts up to 3 tons.
Percent composition, GOST 5950−2000
| Fe | C | Si | Mn | Ni | S | P | Cr | W | Cu |
| basis | 0.5 — 0.6 | 0.1 — 0.4 | 0.5 — 0.8 | 1.4 — 1.8 | ≤0.03 | ≤0.03 | 0.5 — 0.8 | 0.4 — 0.7 | ≤0.3 |
Mechanical properties (temperature 20 ° C)
| sv | sT | d5 | y | KCU |
| MPa | MPa | % | % | kJ / m2 |
| 1280 | 1050 | eleven | 45 | 400 |
- sв — Short-term strength limit
- sT — Proportionality limit (yield stress for permanent deformation)
- d5 — Elongation at break
- y — Relative contraction
- KCU — Impact strength
Foreign analogues
| USA | Germany | Japan | France | England | European Union | Italy | Poland | Czech Republic | Austria |
| - | DIN, WNr | JIS | AFNOR | BS | En | UNI | PN | CSN | ONORM |
| L6 | 1.2714 | SKT4 | SKT4 | BH224 / 5 | 1.2714 | 56NiCrMoV7KU | WNLV | 19663 | W501 |
| 55NiCrMoV6 | 55NiCrMoV7 | ||||||||
| 56NiCrMoV7 |
Buy
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Delivery, price
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