PropertyA2-70 Stainless SteelGrade 8.8 Steel
Material Composition18% chromium, 8% nickel, 2% molybdenum0.25-0.30% carbon, 0.40-0.70% manganese, 0.025% phosphorus, 0.025% sulfur, 0.40-0.60% silicon, 0.008-0.050% boron
Tensile Strength700 MPa830 MPa
Yield Strength450 MPa640 MPa
Elongation35%12%
Hardness223-311 Brinell223-311 Brinell
Corrosion ResistanceHigh resistance to corrosion and rustModerate resistance to corrosion and rust
UsageSuitable for applications where high strength and corrosion resistance are requiredSuitable for applications where high strength is required and corrosion resistance is not a major concern

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