Comparison with standard grades
UNI
AFNOR
DIN-W.Nr
BS
AISI-SAE
AFNOR
Z20C13
DIN-W.Nr
X20Cr - 1.4021
BS
420S29
AISI-SAE
420 A
AFNOR
Z30C13
DIN-W.Nr
X30Cr13 - 1.4028
BS
420S45
AISI-SAE
420 B
AFNOR
Z40C13
DIN-W.Nr
X46Cr13 - 1.3541
BS
51420
AISI-SAE
420 C
AFNOR
Z40C13
DIN-W.Nr
X46Cr13 - 1.4034
BS
51420
AISI-SAE
420 C
AFNOR
Z40C13
DIN-W.Nr
X46Cr13 - 1.4035
BS
51420
AISI-SAE
420 C+S
AFNOR
Z38CD16-01
DIN-W.Nr
X39CrMo17-1 - 1.4122
BS
-
AISI-SAE
420 RM/1
According to: UNI EN 10088 - DIN 17440
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