Bearing steels

Comparison with standard grades

UNI

AFNOR

DIN-W.Nr

BS

AISI-SAE

UNI

100Cr6

AFNOR

100C6

DIN-W.Nr

100Cr6 - 1.3505

BS

53A99

AISI-SAE

52.100

UNI

-

AFNOR

-

DIN-W.Nr

100MnCr4 - 1.2127

BS

-

AISI-SAE

-

UNI

100CrMo7

AFNOR

100CD7

DIN-W.Nr

100CrMo7 - 1.3537

BS

-

AISI-SAE

-

UNI

-

AFNOR

-

DIN-W.Nr

X45Cr13 - 1.3541

BS

-

AISI-SAE

420 C

UNI

-

AFNOR

-

DIN-W.Nr

X102CrMo17 - 1.3543

BS

-

AISI-SAE

420 C

UNI

-

AFNOR

-

DIN-W.Nr

-

BS

-

AISI-SAE

S 2

According to: DIN 17230-UNI 3097

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