5KHV2SF - 1.2542 - nz2 circle, rod, sheet, strip
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
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
|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)
|MPa||MPa||%||%||kJ / m2|
- sв — Short-term strength limit
- sT — Proportionality limit (yield stress for permanent deformation)
- d5 — Elongation at break
- y — Relative contraction
- KCU — Impact strength
|USA||Germany||Japan||France||England||European Union||Italy||Poland||Czech Republic||Austria|
|L6||1.2714||SKT4||SKT4||BH224 / 5||1.2714||56NiCrMoV7KU||WNLV||19663||W501|
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