EN 10083-3 – ABILITY TO SHEAR (+S) OR ANNEALING (+A)

EN 10083-3 – Ability to shear (+S) or annealing (+A)

Steel description Maximum HBW
Symbolic Numeric + S + A
Steels without boron
25CrMo4 1.7218 255 212
25CrMoS4 1.7213
34CrMo4 1.7220 255 223
34CrMoS4 1.7226
42CrMo4 1.7225 255 241
42CrMoS4 1.7227
34CrNiMo6 1.6582 248
30CrNiMo8 1.6580 248
51CrV4 1.8159 248
Steels with boron
20MnB5 1.5530 n/a n/a
30MnB5 1.5531 n/a n/a
38MnB5 1.5532 n/a n/a
27MnCrB5-2 1.7182 n/a n/a
33MnCrB5-2 1.7185 255 n/a
39MnCrB6-2 1.7189 255 n/a

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Chemical composition

ROCKWELL C HARDNESS (HRC) WITH NORMAL HARDENABILITY REQUIREMENTS (+H)

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