40Mn2 1340/1341 40Mn5 SMn2 steel plate /sheet accornding to Alloy Steel Round Bar 40Mn2 ,Dia 80-700mm ,the 40Mn2 plate /sheet `s Material is accon. the steel grade 40Mn5 SMn2 main be used on Chemical industry, food, medicine, papermaking, kitchenware and so on...
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Comparision of steel grades
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ASTM/AISI
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1340/1341
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BS
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-
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NF
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40 M5
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DIN
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-
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JIS
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ISO 683/1
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-
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Grade
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C
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Si
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Mn
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P
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S
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Ni
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Cr
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Cu
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others
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40Mn2
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0.37-0.43
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0.18-0.28
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0.15-1.68
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0.01-0.035
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0.007-0.028
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0.05-0.11
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0.05-0.20
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0.10-0.25
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-
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Grade
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Properties in hardened
and tempered condition
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Normalizing
Temperature
℃
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Hardening
Temperature
℃
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Quenching
medium
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Temperating
Temperature
℃
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Kgf/m㎡
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Yield stress Min
Kgf/m㎡
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40Mn2
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60-75
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40
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840-870
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840-870
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Oil
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550-660
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Source:
