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NC6/1.2063/145Cr6

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COLD WORK TOOL STEEL

NORM: PN-86/H-85023

APPLICATION:

Steel susceptible to tools for cold drawn pipes, small and medium sized punching and blanking dies, rollers adjusted for sheet metal processing, thread cutting tools, wood tools and measuring instruments, reamers.

CHEMICAL COMPOSITION:

CSiMnPSCrMoWVCoNi
1,30-1,450,15-0,400,40-0,70Max 0,030Max 0,0301,30- 1,65--0,10- 0,25--

MECHANICAL PROPERTIES:

Hardness after Tempering ºC Symbol Value
Soft annealing – HB ≤248
Quenching with 820 ºC in oil – HRC 62
Quenching with 820 ºC in oil and tempering 150 HRC
180 HRC 60
200 HRC 61
250 HRC 59
300 HRC 56

Technological treatment processes:

Technological treatment processes Possible application Temperature, °C
Hot forming Forging + 1000-850
Rolling + 1000-850
Treatment Heat treatment Quenching + 810-830
Tempering + 150-260
Precipitation strengthening Supersaturation – –
Ageing – –
Soft annealing Above Ac1 + 770-790
Below Ac1 + 690-710
Thermochemical treatment Nitriding – –
Other – –

INTERNATIONAL STEEL GRADES:

ISO Czech Republic Russia
– – 19422 CSN 419422 12X1 GOST 5950-73
US Japan China
– – – – – –