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JIS G 4053-2003
Alloy steel plate for machinery
Material Designation Chemical Composition (%)
SCr430
Min
Max
SCr435
Min
Max
SCr440
Min
Max
SCM430
Min
Max
SCM435
Min
Max
SCM440
Min
Max
SMn420
Min
Max
SMn433
Min
Max
SMn438
Min
Max
SMn443
Min
Max
SCr415
Min
Max
SCr420
Min
Max
SCr445
Min
Max
SCM420
Min
Max
SCM425
Min
Max
SCM445
Min
Max
SNCM 625
Min
Max
SNCM 439
Min
Max
SCM418
Min
Max
SCM421
Min
Max
SNC415
Min
Max
For Reference Only