1.2343ESU H 11/BH 11 ESR

1.2343 (X 37 CrMoV 5-1) / 1.2343 (X 37 CrMoV 5-1) ESU

AISI H11, BS BH11, AFNOR Z 38 CDV 5

Chemical composition % C Si Mn P S Cr Mo Ni V
0.39 0.97 0.43 0.015 0.006 5.01 1.14 0.21 0.35

Heat resistant steel for manufacturing highly stressed heat resistant tools, hot extrusion dies, pressure diecast tools, hot shearing knives and die inserts.

Heat treatment diagram
1.2343-1d
Tempering diagram
1.2343-1b
  • Hardening temperature: 1020°C
  • Sample cross section: rect. 50 mm

Heat resistance diagram
1.2343-1c
  • ——Tempered 1600 N/mm²
  • ------ Tempered 1200 N/mm²
  • 1..... Tensile strength N/mm² (kp/mm²)
  • 2..... 0.2 limit N/mm² (kp/mm²)
  • 3..... Narrowing %
TTT diagram for continuous cool down
1.2343-2a
  • Austenitisation temperature: 1030°C
  • Dwell time: 15 minutes
Hardness in HV
  • 2.46 Microstructure components in %
  • 0,35...3,5 Cool down parameters, i.e. cooling duration from 800 - 500°C in seconds x 10(power -2)
  • 5...0.5K/min cool down speed in K/min in the 800 - 500°C range

Microstructure mass diagram
1.2343-2b
  • ------ Oil cooling
  • – • –Air cooling
  • 1... Work piece edge
  • 2... Work piece centre
  • Austenitisation temperature: 1030° C
  • Dwell time: 15 minutes
back to material

Obtainable as the following products:

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1.2343ESU H 11/BH 11 ESR

Hot working steel, particularly suitable for polish and etching structure

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