What is the difference between stainless steel and stainless steel iron?

Stainless iron is a kind of stainless steel, belonging to martensitic and ferritic stainless steel, the main difference lies in the content of nickel composition. Ferritic and martensitic stainless steel is often called stainless iron, and often said stainless steel is generally refers to austenitic stainless steel. Rust - resistant iron is generally not as good as stainless steel.

The main models of stainless iron are 409, 410, 430, 444

409 stainless steel: low price, is commonly used in machinery, construction and other engineering ferritic stainless steel. It has good mechanical properties, excellent strength and hardness, and is often used in exhaust pipes.

410 stainless steel: belongs to martensitic stainless steel, quenching, tempering, strength, plasticity, toughness with good, has good corrosion resistance, machinability, often used in valves, blades.

430 stainless steel: good corrosion resistance, but intergranular corrosion tendency, mainly used for architectural decoration, fuel burner parts.

444 stainless steel: belongs to high alloy ferritic stainless steel, has good spot corrosion resistance, crevice corrosion, stress corrosion ability, suitable for heat exchanger, water heater, water storage tank, solar cell phone panel, etc.

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