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  5. W. NR. 1.2311

W. NR. 1.2311

  • Werkzeugstähle zur Herstellung von Formen
0 CZK

Characteristics

Chrome-manganese-molybdenum steel for hardening in air with good hardenability and good firmness during the heat. It is well-workable during the heat and well-workable in the soft-annealed state.

Suitability

Tools for hot working such as inter-inserts and heat-stressed auxiliary tools.

Chemical composition of steel W.Nr. 1.2311

Steel gradeChemical composition in %Hardness in state
soft-annealedheat-treated
CMnSiCrWMoVNi maxCoP max.S max.HB max.HRC min.
DIN 40CrMnMo70,35-0,451,30-1,600,20-0,401,80-2,10 0,15-0,25   0,0350,03523551
ČSN 19 5200,35-0,451,20-1,600,50-0,901,70-2,20 0,20-0,40   0,0300,03024049|

Heat treatment of steel W.Nr. 1.2311

WayTemperature [°C]Procedure
Forging850-1100Cool slowly in dry ash or thick cross-sections in the furnace
Soft annealing720-750Warm few hours (according to the size of object), mostly four hours are enough and cool slowly in the furnace
Annealing to lower tension600-650Warm 1 to 2 hours and cool slowly in the furnace
Hardening840-870Cool in oil or in air at 180 up to 220 °C
Tempering500-650Cool in air, the degree of tempering is set by hardness and toughness of instrument according to the tempering chart

Note

Chart of tempering values depending on the hardness:

°C100200300400500600700
HRC51504846423628
N/mm2173016701570148013301140920

Graph

Product range

Blocks: 610x1600, 810x1200
We will deliver any semi-finished products from the above mentioned dimensions. Other dimensions, except for given stock supplies, have to be consulted with us.

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