A995 Gr4a !link! — Astm

The material's performance is driven by a precise blend of alloying elements: gravitycastindia.com Weight % (Nominal) Chromium (Cr) 21.0 – 23.5% Primary corrosion barrier Nickel (Ni) 4.5 – 6.5% Stabilizes austenite for toughness Molybdenum (Mo) 2.5 – 3.5% Enhances pitting/crevice resistance Nitrogen (N) 0.10 – 0.30% Increases yield strength and corrosion resistance Key Mechanical Stats: Tensile Strength: 620 MPa (90 ksi) minimum. Yield Strength: 415 MPa (60 ksi) minimum. Elongation: 25% minimum. gravitycastindia.com 3. Critical Engineering Considerations A995 4A | Duplex Stainless - Alloy Casting Industries Ltd