JIS–ASTM Comparison Table

  ASTM standard JIS standard
Bolts A307 Grade B G3101 SS400
Nuts A563 Grade A G3101 SS400
Bolts A193 Grade B7 G4107 SNB7
Nuts A194 Grade 2H G4051 S45C
Bolts A193 Grade B8 G4303 SUS304
Bolts A193 Grade B8M G4303 SUS316
Nuts A194 Grade 8 G4303 SUS304
Nuts A194 Grade 8M G4303 SUS316
Bolts   G4105 SCM435

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