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减少应力

在我们挑选出的产品系列中,您几乎可以找到满足任何应用要求的材料。

Franz Kohler
产品部主管

1.2344 / 1.2344 ESU Hot-work steel

Designation

DIN:X 40 CrMoV 5-1
AFNOR:Z 40 CDV 5
UNI:X 40 CrMoV 5-1 KU
AISI:H13 / H13 ESR

Chemical composition:

C0.40
Si1.00
Cr5.30
Mo1.40
V1.00

 

Strength: ≈ 780 N/mm²


Thermal conductivity at 100 °C: 26 W/m K

Character:

high-alloy hot-work steel, high heat resistance, high wear resistance, good toughness, thermal conductivity and hot cracks resistance, limited use for water cooling; for very high requirements available in grade *ESR (Electro-Slag Remelted)

Application:

standard material for hot-work tools, extrusion moulds, dies, tools for plastic processing

Treatment by

Polishing, etching, EDM, nitriding » is possible
Hard chroming » in special cases

Heat treatment:

Soft annealing:
750 to 800 °C for about 4 to 5 hours; slow controlled cooling of 10 to 20 °C per hour to about 600 °C; further cooling in air, max. 230 HB

Hardening:
1020 to 1060 °C
15 to 30 minutes keeping curing temperature
quenching in water/oil
obtainable hardness: 54 HRC

Tempering:
slow heating to tempering temperature immediately after hardening; minimum time in furnace: 1 hour per 20 mm part thickness

Technical tip:
  • susceptible to corrosion; during machining, continuous corrosion protection has to be ensured (especially during wire EDM)
  • 1.2344 ESRH is very suitable for mirror polishing

1.2344 Available in the web shop as:
1.2344 ESR Available in the web shop as:
Data sheet 1.2344 (ESR)

打开PDF

Material grades brochure

Material grades brochure

Material grades poster

Material grades poster

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