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Flat Carbon Steel - K990

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Flat Carbon Steel - K990
Delivery costs from
500x25x5 mm
13,50 €
pcs

W.Nr: 1.1545
DIN:C105W1

Hardening instructions:

HEAT TREATMENT

Forging temperature 1050-800 °C

Normalization
800 °C / air cooling.
Soft annealing
680 - 720 °C / slow furnace cooling 10 - 20 °C/h up to about 600 °C, followed by final air cooling. Hardness soft annealed max 210 HB.
Stress relief annealing
Approx. 600 - 650 °C / slow furnace cooling. Holding time 1 - 2 hours at full heat in a neutral atmosphere.
Hardening
770 - 800 °C / water. Holding time at hardening temperature a few minutes (10 min). Achievable hardness 65 HRC.
Release
Slow heating to discharge temperature and holding for at least 1 h.
100°C 65
200°C 64
300°C 56
tech

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tech
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