Case hardening and nitriding steels

Comparison with standard grades

UNI

AFNOR

DIN-W.Nr

BS

AISI-SAE

UNI

16NiCrMo13

AFNOR

16NCD13

DIN-W.Nr

16NiCrMo12-6 - 1.6782

BS

-

AISI-SAE

-

UNI

21CrMoV5-7

AFNOR

21CDV5-7

DIN-W.Nr

21CrMoV5-7 - 1.7709

BS

-

AISI-SAE

-

UNI

30NiCrMo12

AFNOR

(30NCD12)

DIN-W.Nr

-

BS

(826 M 31)

AISI-SAE

A 723

UNI

32CrMoV13

AFNOR

32CDV13

DIN-W.Nr

-

BS

-

AISI-SAE

-

UNI

34NiCrMo16

AFNOR

35NCD16

DIN-W.Nr

35NICrMo16 - 1.2766

BS

(835 M 30)

AISI-SAE

-

UNI

40CrMoV4-7

AFNOR

40CrMoV4-6

DIN-W.Nr

40CrMoV4-7 - 1.7711

BS

-

AISI-SAE

A 193

UNI

40NiCrMo7

AFNOR

-

DIN-W.Nr

-

BS

-

AISI-SAE

4340

AFNOR

40CAD612

DIN-W.Nr

41CrAlMo7 - 1.8509

BS

(905 M 39)

AISI-SAE

7140