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Material
A27303
Standard
GB /T 1222-2007
Spring Steels
Standard
GB /T 1222-2016
Spring steels
Chemical Composition
(%)
Standard
Material Designation
Chemical Composition (%)
GB /T 1222-2007
Spring Steels
30W4Cr2VA
(
A27303
)
Min
Max
GB /T 1222-2016
Spring steels
30W4Cr2V
(
A27303
)
Min
Max
For Reference Only
