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Material
20MB5
Standard
NF A 35-551-1986
Standard
NF A 35-557-1983
Standard
NF A 35-556-1984
Steel for threaded fasteners for structural and engineering purposes
Standard
NF EN 10083-3-2006
Tempered alloy structural steel
Standard
NF A 35-566-1983
Chemical Composition
(%)
Standard
Material Designation
Chemical Composition (%)
NF A 35-551-1986
20MB5
Min
Max
NF A 35-557-1983
20MB5
Min
Max
NF EN 10083-3-2006
Tempered alloy structural steel
20MnB5
(
1.5530
)
(
20MB5
)
Min
Max
NF A 35-556-1984
Steel for threaded fasteners for structural and engineering purposes
20MB5
Min
Max
NF A 35-566-1983
20MB5
Min
Max
For Reference Only