Alloy steelStainless steel GradeInsertExt. ToolholderInt. ToolholderThreadingGroovingMiniature toolMilling cutterEndmillDrilling toolTooling SystemUser's GuideIndex User’s Guide - Technical Reference A Symbols of Metals ᭹ Alloy steel Other countriesJapanInternationalTypeU.S.A.Great BritainGermanyFranceRussiaB JIS ISO AISISAE BS DIN NFBS/ENDIN/ENNF/ENгOCT SCr415(H) − − 17Cr317CrS3 17Cr317CrS3 17Cr317CrS3 15X15XASCr420(H)20Cr4(H)20CrS45120(H)−−−20XSCr430(H)34Cr434CrS45130(H)5132(H)34Cr434CrS434Cr434CrS434Cr434CrS430XC ChromiumsteelSCr435(H) 34Cr434CrS437Cr4 5132 37Cr437CrS4 37Cr437CrS4 37Cr437CrS4 35X37CrS437Cr4SCr440(H)37CrS441Cr441CrS45140(H)530M4041Cr441CrS441Cr441CrS441Cr441CrS440XD SCr445(H) − − − − − 45X SCM415(H) −SCM418(H)18CrMo418CrMoS4SCM420(H)−− − − − −−18CrMo418CrMoS418CrMo418CrMoS418CrMo418CrMoS420XM−708M20(708H20)−−20XME SCM430 − 4130 − − − 30XM30XMA Chromium SCM432 − − − − − − molybdenumsteelSCM435(H) 34CrMo434CrMoS4 4137(H) 34CrMo434CrMoS4 34CrMo434CrMoS4 34CrMo434CrMoS4 35XMSCM440(H)42CrMo442CrMoS44140(H)4142(H)42CrMo442CrMo442CrMo442CrMoS442CrMoS442CrMoS4−F SCM445(H) − 4145(H)4147(H) − − − − SMn420(H) 22Mn6(H) 1522(H) − − − SMn433(H) − 1534Manganesesteel andSMn438(H)36Mn6(H)1541(H)manganese−− − 30Γ235Γ2−−−35Γ240Γ2 G chromium SMn443(H) 42Mn6(H) 1541(H)steel − − − 40Γ245Γ2 SMnC420(H) − − − − − − SMnC443(H) − −AluminiumchromiummolybdenumSACM64541CrAlMo74−−−−− −− −− H steel ᭹ Stainless steel Other countriesTypeJapanInternationalU.S.A.Great BritainGermanyFranceRussiaI JIS ISO UNS AISISAE BSBS/EN DINDIN/EN NFNF/EN гOCT SUS201 X12CrMnNiN17-7-5 S20100 201 Z12CMN17-07Az SUS202 X12CrMnNiN18-9-5 S20200 202 284S16SUS301X10CrNi18-8S30100301301S21SUS301LX2CrNiN18-7SUS301J112X17Γ9AH4X12CrNi17-7Z11CN17-0807X16H6X2CrNiN18-7X12CrNi17-7J SUS302 S30200 302 302S25 Z12CN18-09 12X18H9 SUS302B X12CrNiSi18-9-3 S30215 302B SUS303 X10CrNiS18-9 S30300 303 303S21 X10CrNiS18-9 Z8CNF18-09 SUS303Se S30323 303Se 303S41 12X18H10EAusteniticSUS303CuSUS304X5CrNi18-9S30400304304S31X5CrNi18-10Z7CN18-0908X18H10SUS304LX2CrNi18-9S30403304L304S11X2CrNi19-11Z3CN19-1103X18H11K SUS304N1 X5CrNiN18-8 S30451 304N Z6CN19-09Az SUS304N2 S30452 SUS304LN X2CrNiN18-9 S30453 304LN X2CrNiN18-10 Z3CN18-10Az SUS304J1SUS304J2SUS304J3 S30431 S30431SUS305X6CrNi18-12S30500305305S19X5CrNi18-12Z8CN18-12 06X18H11 L Note: The above chart is based on published data and not authorized by each manufacturer. M Tungaloy L089