SA351 CF3 Stainless Steel Castings Address Welding Corrosion Issues

Manufacturers facing post-welding corrosion issues now have an effective solution with SA-351 CF3 stainless steel castings. This material combines performance comparable to 304L stainless steel with significantly improved weldability, offering competitive advantages for industrial applications.

SA-351 CF3 stainless steel serves as the cast version of 304L stainless steel, enabling production of complex-shaped or large components without welding-related risks. While CF8 and CF3 share similar chemical and mechanical properties, CF3 distinguishes itself through lower carbon content, which enhances welding performance and reduces corrosion susceptibility in welded areas.

CF3 emerges as the preferred choice for applications requiring welding when post-weld heat treatment isn't feasible. Its reduced carbon content minimizes carbide precipitation, effectively preventing intergranular corrosion. For optimal corrosion resistance, solution annealing remains essential—this process homogenizes the material's microstructure and relieves residual stresses.

• Food and beverage processing equipment
• Nuclear power generation components
• Petroleum industry applications
• Detergent manufacturing systems

The material demonstrates reliable performance in various components including impellers, manifolds, and valve bodies, with operational suitability up to 345°C.

• ASTM: SA-351
• ASME: SA-351

• Enhanced weldability with reduced post-weld corrosion risk
• Broad industry applicability across critical sectors
• Superior corrosion resistance in demanding environments
• Comprehensive technical data for material selection