Symbols o f Metals B

Alloy steel

TypeJIS JapanISO InternationalA S U.ISI AE S.A.BS BS/EN Great BritainDIN DIN/EN Germany Other countrieNF NF/EN France sгOCT Russia
SCr415(H)17Cr3 17CrS317Cr3 17CrS317Cr3 17CrS315X 15XA
SCr420(H)20Cr4(H) 20CrS45120(H)20X
SCr430(H)34Cr4 34CrS45130(H) 5132(H)34Cr4 34CrS434Cr4 34CrS434Cr4 34CrS430X
Chromium steelSCr435(H)34Cr4 34CrS4 37Cr4 37CrS4513237Cr4 37CrS437Cr4 37CrS437Cr4 37CrS435X
SCr440(H)37Cr4 37CrS4 41Cr4 41CrS45140(H)530M40 41Cr4 41CrS441Cr4 41CrS441Cr4 41CrS440X
SCr445(H)45X
SCM418(H) SCM415(H)18CrMo4 18CrMoS4 −− −18CrMo4 18CrMoS4 −18CrMo4 18CrMoS4 −18CrMo4 18CrMoS4 −20XM −
lSCM420(H)708M20(708H20)20XM
steeSCM430413030XM 30XMA
Chromium ySCM432
molybdenum steel AlloSCM435(H)34CrMo4 34CrMoS4 −4137(H) −34CrMo4 34CrMoS4 −34CrMo4 34CrMoS4 −34CrMo4 34CrMoS4 −35XM −
42CrMo44140(H)42CrMo442CrMo442CrMo4
SCM440(H)42CrMoS44142(H)42CrMoS442CrMoS442CrMoS4
SCM445(H)4145(H) 4147(H)
SMn420(H)22Mn6(H)1522(H)
ManganeseSMn433(H)153430Γ2 35Γ2
steel and manganeseSMn438(H)36Mn6(H)1541(H)35Γ2 40Γ2
chromiumSMn443(H)42Mn6(H)1541(H)40Γ2 45Γ2
steelSMnC420(H)
SMnC443(H)
Aluminium chromium molybdenumSACM64541CrAlMo74
� Stainless steelsteel JOther countries
TypeapanInternationalU.S.A.Great BritainGermanyFranceRussia
JISISOUNSAISI SAEBS BS/ENDIN DIN/ENNF NF/ENгOCT
SUS201X12CrMnNiN17-7-5S20100201Z12CMN17-07Az
SUS202 SUS301 SUS301LX12CrMnNiN18-9-5 X10CrNi18-8 X2CrNiN18-7S20200 S30100202 301284S16 301S21X12CrNi17-7 X2CrNiN18-7Z11CN17-0812X17Γ9AH4 07X16H6
SUS301J1X12CrNi17-7
SUS302S30200302302S25Z12CN18-0912X18H9
eelSUS302B SUS303X12CrNiSi18-9-3 X10CrNiS18-9S30215 S30300302B 303303S21X10CrNiS18-9Z8CNF18-09
s stSUS303SeS30323303Se303S4112X18H10E
Austenitic nlesSUS303Cu SUS304X5CrNi18-9S30400304304S31X5CrNi18-10Z7CN18-0908X18H10
taiSUS304LX2CrNi18-9S30403304L304S11X2CrNi19-11Z3CN19-1103X18H11
SSUS304N1 SUS304N2X5CrNiN18-8S30451 S30452304NZ6CN19-09Az
SUS304LN SUS304J1X2CrNiN18-9S30453304LNX2CrNiN18-10Z3CN18-10Az
SUS304J2 SUS304J3 SUS305X6CrNi18-12S30431 S30500S30431 305305S19X5CrNi18-12Z8CN18-1206X18H11

Note: The above chart is based on published data and not authorized by each manufacturer. M