Home
>
Material
U20202
Standard
GB /T 699-1999
Quality Carbon Structural Steels
Standard
GB /T 699-2015
Quality carbon structure steels
Standard
GB 6479-2013
Seamless steel tubes for high-pressure chemical fertilizer equipments
Standard
GB /T 710-2008
Hot-rolled quality carbon structural steel sheets and strips
Standard
JB /T 6908-2020
Steel forings for displacement compressors
Chemical Composition
(%)
Standard
Material Designation
Chemical Composition (%)
GB /T 699-1999
Quality Carbon Structural Steels
20
(
U20202
)
(
20#
)
Min
Max
GB /T 699-2015
Quality carbon structure steels
20
(
U20202
)
(
20#
)
Min
Max
GB 6479-2013
Seamless steel tubes for high-pressure chemical fertilizer equipments
20
(
U20202
)
Min
Max
JB /T 6908-2020
Steel forings for displacement compressors
20
(
U20202
)
Min
Max
GB /T 710-2008
Hot-rolled quality carbon structural steel sheets and strips
20
(
U20202
)
(
20#
)
Min
Max
For Reference Only
