Home
>
Material
U20852
Standard
GB /T 699-1999
Quality Carbon Structural Steels
Standard
GB /T 1222-2007
Spring Steels
Standard
GB /T 699-2015
Quality carbon structure steels
Standard
GB /T 1222-2016
Spring steels
Chemical Composition
(%)
Standard
Material Designation
Chemical Composition (%)
GB /T 1222-2007
Spring Steels
85
(
U20852
)
Min
Max
GB /T 699-1999
Quality Carbon Structural Steels
85
(
U20852
)
(
85#
)
Min
Max
GB /T 699-2015
Quality carbon structure steels
85
(
U20852
)
Min
Max
GB /T 1222-2016
Spring steels
85
(
U20852
)
Min
Max
For Reference Only
