1.2365, 32CrMoV12-28, AISI H10 - tool steel

Tool steel for hot working X32CrMoV12-28, 1.2365, AISI H-10 according to ISO 4957.

Standard Steel Grade
Chemical Composition %
C: Mn: Si: P: S: Cr: Mo: V:
ISO 1.2365 - 32CrMoV12-28
0.28 - 0.35 0.15 - 0.45 0.1 - 0.4 <0.03 <0.02 2.7 - 3.2 2.5 - 3.0 0.4 - 0.7
DIN X32CrMoV3-3 - X 32 CrMoV 3-3
0.28 - 0.35 0.15 - 0.45 0.1 - 0.4 <0.03 <0.03 2.7 - 3.2 2.6 - 3.0 0.4 - 0.7
PN WLV
0.25 - 0.35 0.25 - 0.50 0.15 - 0.40 <0.03 <0.03 2.5 - 3.0 2.5 - 3.0 0.4 - 0.6
EN 30CrMoV12-11
0.25 - 0.35 0.15 - 0.45 0.1 - 0.4 <0.03 <0.03 2.5 - 3.5 2.5 - 3.0 0.4 - 0.7
ASTM AISI H-10 - UNS T20810
0.35 - 0.45 0.2 - 0.7 0.8 - 1.25 <0.03 <0.03 3.00 - 3.75 2.0 - 3.0 0.25 - 0.75
GOST 3H3M3F - 3Х3М3Ф
0.27 - 0.34 0.2 - 0.5 0.1 - 0.4 <0.03 <0.03 2.8 - 3.5 2.5 - 3.0 0.4 - 0.6

1.2365, 32CrMoV12-28, X32CrMoV3-3 - specifications and applications

Tool steel for hot working, used for production of press matrices, die inserts, moulds for casting non-ferrous metals, tools and stamps for pressing and stamping. It is characterized by high hardenability, excellent thermal conductivity, resistance to temperature differences during water cooling, and tempering resistance. It achieves hardness levels of 52 HRC.

Mechanical properties of 1.2365, 32CrMoV12-28 steel

  • Hardness in +A delivery condition: <229 HB
  • Hardness in +A+C delivery condition: <249 HB
  • Hardness after hardening: 52 HRC
  • Hardness after hardening and tempering at temperature:
    • 300℃ = 47.2 HRC
    • 350℃ = 47.6 HRC
    • 400℃ = 48.5 HRC
    • 450℃ = 50.0 HRC
    • 500℃ = 51.7 HRC
    • 550℃ = 51.9 HRC
    • 600℃ = 49.0 HRC
  • Thermal conductivity, λ: 36 W * m-1 * K-1
  • Linear expansion coefficient, α: 12.4 * 10-6 K-1

Heat treatment of 1.2365, 32CrMoV12-28 steel

  • Softening annealing at 740 - 770℃
  • Relief annealing at 600 - 700℃
  • Hardening at 1030 - 1050℃
  • Tempering at 450 - 550℃
  • Nitriding at 470 - 550℃

Substitutes, equivalents and other species designations

SKD7
BH10
30CrMoV12-27 KU
CSN 19541
MSZ K14
4Cr3Mo3SiV
T20810
AISI H10
F-520.O
30CrMoV12
31VMoCr29
X32CrMoV3-3
X 32 CrMoV 3 3
WLVŻ

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