Special tool steels for hot working and cold working


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            1.6565 · 40NiCrMo7 · 40NCD7

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SPECIAL ALLOY STEELS
(sheets, slabs, rounds, squares, flats)

W. Nr 1.6565 | 40NiCrMo7 | 40NCD7

Supplying: tempered

This steel has better penetration of quench than 39CrNiMo3, it’s used for components with a lot of stresses, shafts, axles, engineering nut and fasteners, etc.

Rounds

SPECIAL ALLOY STEELS

40NiCrMo7 - 40NCD7 - W. Nr. 1.6565 - UNI 7845/1978

C Mn Si Cr Ni Mo P S

0.37 ÷ 0.44 0.50 ÷ 0.80 0.15 ÷ 0.40 0.60 ÷ 0.90 1.60 ÷ 1.90 0.20 ÷ 0.30 ≤ 0.035 ≤ 0.035

* indicative values

40NiCrMo7 - 40NCD7 - W. Nr. 1.6565 (values refer to material with diameter from 40 to 100mm)

R N/mm² Rs N/mm² A% KCU joule

930/1300 735min 12min 30min

Next: Tool steels for hot working

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