−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−15221534−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−15X−−−−−−−−−−−−−−−−−−−−−−−−−−ГOCTΓOCT4543 （5）JIS G 7501, G 7502, G 7503 is translation version.SCr415SCr420SCr430SCr435SCr440SCr445SCM415SCM418SCM420SCM421SCM430SCM432SCM435SCM440SCM445SCM822SMn420SMn433SMn438SMn443SMnC420SMnC443SACM645SMn420HSMn433HSMn438HSMn443HSMnC420HSMnC443HSCr415HSCr420HSCr430HSCr435HSCr440H1150JIS G 4104Chrome steelJIS G 4105Chrome molybdenum steelJIS G 4106Structural manganese steel for machine structural use and manganese chrome steelJIS G 4202Nickel chrome molybdenumJIS G 4052Structural steel with guaranteed hardenability（H shape steel）Japan industrial standardsStandard number・SymbolNameInternational standardISOUSAAISI / SAESteel types related to foreign standardsUKBSGermanyDINBS 970 Part1,3 BS EN 10083-1,2 DIN EN 10084 DIN EN 10083-1,2 17Cr317CrS334Cr434CrS434Cr434CrS437Cr437CrS437Cr437CrS4530M4041Cr441CrS441Cr441CrS418CrMo418CrMoS4708M2034CrMo434CrMoS4708M40709M4042CrMo442CrMoS434CrMo434CrMoS442CrMo442CrMoS4150M19150M36150M3617Cr317CrS334Cr434CrS434Cr434CrS437Cr437CrS437Cr437CrS441Cr441CrS441Cr441CrS4NF A35-551NF EN 10083-1,215X15XA20X34Cr434CrS430X37Cr437CrS435X41Cr441CrS440X45X−20XM20XM30XM30XMA34CrMo434CrMoS435XM42CrMo442CrMoS430Г235Г235Г240Г240Г245Г220X34Cr434CrS430X37Cr437CrS435X41Cr441CrS440XFranceNFRussia（Former USSR）Carbon steel・alloy steel for machine structural use（2）ISO683-1,10,11（5）20Cr420CrS434Cr434CrS434Cr434CrS437Cr437CrS437Cr437CrS441Cr441CrS45120513051325132514018CrMo418CrMoS4413134CrMo434CrMoS4413742CrMo442CrMoS4414041424145414722Mn636Mn6154142Mn6154141CrAlMo7422Mn61522H36Mn642Mn61541H1541H20Cr420CrS434Cr434CrS434Cr434CrS437Cr437CrS437Cr437CrS441Cr441CrS45120H5130H5132H5135H5140HTables for Comparisons of Materials between JIS and Foreign Standards（2）ーExcerpt from JIS manualー
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