CF8 Cast Stainless Steel (Cast 304)

ASTM A351 / CF8. CF8 is the cast equivalent of 304 stainless steel — an austenitic Cr-Ni grade for general corrosion resistance in valve and pump castings.

Chemical composition (nominal wt %)

Element%
Carbon (C)≤0.08
Chromium (Cr)18.0–21.0
Nickel (Ni)8.0–11.0
Silicon (Si)≤2.0

Mechanical properties

PropertyValue
Tensile strength485 MPa (70 ksi) min
Yield strength205 MPa (30 ksi) min
Elongation35% min
PREN≈ 18–20

Density: 7.75 g/cm³  ·  Heat treatment: Solution annealed for optimum corrosion resistance.

Cross-standard equivalents

StandardEquivalent grade
ENEN 1.4308 (GX5CrNi19-10)
GBZG07Cr19Ni9
JISSCS13
Wrought≈ AISI 304

Equivalents by nominal class — confirm exact chemistry & spec for critical parts.

Typical applications

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FAQ

Is CF8 the same as 304 stainless?

CF8 is the cast equivalent of wrought 304 stainless, with comparable corrosion resistance. For chloride/acid service, choose CF8M (cast 316) instead for its molybdenum content.