... -9304ChemicalCompositionC:≤0.070 Si:≤1.00 Mn:≤2.00 S:≤0.030 P:≤0.045 Cr:17.5~19. ... ≤200HV,≤90HRBThickness0.3-300mmOD0.5-600mmLength600-6000mm or as customer's requirementSurfaceNO.1,2E,2D,2B,NO.3,NO.4,HL ... electron, chemical etc.CertificationMaterial certification, ISO, sample, etc and Customer’s requirementSupply Ability200MT/WeekMOQ1TonDelivery TimeAbout 7 days after we received your ...