Home
>
Material
U21202
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
20Mn
(
U21202
)
Min
Max
GB /T 699-2015
Quality carbon structure steels
20Mn
(
U21202
)
Min
Max
For Reference Only