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U20602
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
60
(U20602)
 
Min
Max
GB /T 699-2015
Quality carbon structure steels
60
(U20602)
 
Min
Max
For Reference Only