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
steeSCM430−4130−−−30XM 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)−1534−−−30Γ2 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