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Material
U20452
Standard
GB /T 699-1999
Quality Carbon Structural Steels
Standard
GB /T 699-2015
Quality carbon structure steels
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
45
(
U20452
)
(
45#
)
Min
Max
GB /T 699-2015
Quality carbon structure steels
45
(
U20452
)
(
45#
)
Min
Max
JB /T 6908-2020
Steel forings for displacement compressors
45
(
U20452
)
Min
Max
GB /T 710-2008
Hot-rolled quality carbon structural steel sheets and strips
45
(
U20452
)
(
45#
)
Min
Max
For Reference Only