Grade 40Cr13
Old Grade
Corresponding Standard GJB 2294A-2014
Specification for Stainless and Heat-Resisting Steel Bars for Aviation
Classification Martensitic Stainless Steel
40Cr13 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni
Minimum Value 0.36 - - - - 12 -
Maximum Value 0.45 0.8 0.8 0.03 0.02 14 0.6
40Cr13 Mechanical Properties
Heat Treatment or Condition
Hardness
HBW
Quenching or Solution Annealing 1050~1100°C, oil quenching; Tempering or Aging 200~300°C, air cooling HRC
≥50
New and Old Grade Replacement List
Corresponding Standard Grade
GJB 2294-1995
Grade
GJB 2294A-2014
Grade
Old Grade

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