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Material
U21452
Standard
GB /T 699-1999
Quality Carbon Structural Steels
Standard
GB /T 699-2015
Quality carbon structure steels
Chemical Composition
(%)
Standard
Material Designation
Chemical Composition (%)
GB /T 699-1999
Quality Carbon Structural Steels
45Mn
(
U21452
)
Min
Max
GB /T 699-2015
Quality carbon structure steels
45Mn
(
U21452
)
Min
Max
For Reference Only
