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  5. W. NR. 1.2085

W. NR. 1.2085

  • Production of moulds
CZK 0

Characteristics

Resistant to the corrosion, Martensite steel with the high content of chrome. The steel has good resistance to the wear, good machinability and polishability. Delivered quenched and tempered 280 - 325 HB.

Suitability

Mould for pressing of chemically-aggressive plastic substances, corrosin-proof clamping frames of moulds etc.

Chemical composion of steel W.Nr. 1.2085

Steel gradeChemical composion in %Hardness
soft annealedheat treated
CMnSiCrWMoVNi maxCoP max.S max.HB max.HRC min.
DIN X33CrS160,28-0,381,001,0015,00-17,00   1,00 0,0300,03023048

Heat treatment of steel W.Nr. 1.2085

WayTemperature [°C]Procedure
Forging800-1100Cool slowly in calm air or better e.g. in dry ash or other thermally-insulated material
Normalization790-810Cool in air
Soft annealing850-880War few hours (depending on the size), mostly 4 hours are enough and cool slowly in the furnace
Stres annealing600-650Warm 1 to 2 hours and cool slowly in the furnace
Hardening1000-1050Cool in oil or hot bath, the degree of tempering is set by hardness and toughness of instrument according to the tempering chart
Tempering100-500 

Note

Chart of tempering values depending on the hardness:

°C100200300400500
HRC4848474647
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