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19Mn6
Standard Q/BQB 130-2003
Standard Q/BQB 320-2003 Hot rolled steel sheets and strips for boilers and pressure vessels


Chemical Composition(%)


Standard Material Designation Chemical Composition (%)
Q/BQB 130-2003 19Mn6
 
Min
Max
Q/BQB 320-2003
Hot rolled steel sheets and strips for boilers and pressure vessels
19Mn6
 
Min
Max
For Reference Only