rockblade kilns

AISI 1.2895 (CRU-WEAR EQUIVALENT)

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Air-hardening “Semi-High-Speed-Steel“ exhibiting excellent wear resistance combined with an optimum level of toughness. It is used in the field of tools, where a high compression strength and excellent edge holding retention is required, e.g. for punches, deep drawing tools, circular cutters, thread rolling dies, wood working knives.

 

Typical Analysis [%]: C Si Mn Cr Mo V W

1,15 1,0 0,4 8,2 1,5 2,0  1,5

Spec.Weight:
7,85 g/cm3
Delivery Hardness:
max. 241 HB
Steel Characteristics and Application Air-hardening “Semi-High-Speed-Steel“ exhibiting excellent wear resistance combined with an optimum level of toughness. It is used in the field of tools, where a high compression strength and excellent edge holding retention is required, e.g. for punches, deep drawing tools, circular cutters, thread rolling dies, wood working knives.

 

Heat Treatment 
Soft Annealing

820 - 850°C Furnace cooling <550°C, then air cooling

Hardening 1050°C - 1080°C gas-stream, oilquenching or salt bath 500 - 550°C
Tempering 520 - 540 °C, (prefered tempering range), min. 2x,for 62 - 63 HRC