DIN EN ISO 4957 1.2344 Steel — Specifications & Listings
DIN EN ISO 4957DIN designation for hot work chromium-molybdenum-vanadium tool steel. Equivalent to AISI H13, SKD61. Excellent combination of high temperature strength, thermal fatigue resistance and toughness.
DIN designation for hot work chromium-molybdenum-vanadium tool steel. Equivalent to AISI H13, SKD61. Excellent combination of high temperature strength, thermal fatigue resistance and toughness.
Applications
Die casting dies, extrusion dies, forging dies, hot shear blades, mandrels, pressure die casting tooling
Chemical Composition (%)
C
Mn
Si
Cr
Mo
V
S
P
0.37–0.43
0.30–0.50
0.90–1.20
4.80–5.50
1.20–1.50
0.90–1.10
≤0.030
≤0.030
Mechanical Properties
Hardness (annealed)
≤229 HB
Hardness (hardened)
44–52 HRC
Tensile Strength
1200–1600 MPa
Elongation
≥8%
Typical Available Sizes
Round Bar
22mm–350mm dia
Flat Bar
various
Square Bar
various
Forging
Custom sizes
Sizes are indicative. Contact seller for exact availability.