Designation by Standards
Chemical Composition (in weight %)
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A basic ferritic non-heat treatable stainless steel. Its strengths are in ductility, formability, good corrosion and oxidation resistance, thermal conductivity and finish quality.
Appliance, automotive and architectural trim, vaults, heat exchangers, scientific apparatus and vending machine components, cuttlery tools, dish washing troughs, buffers, wheel lids, component parts for the soap and petrochemical industry.
Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 220
Density [g/cm3]: 7.7
Thermal conductivity [W/m.K]: 25.0
Electric resistivity [Ohm mm2/m]: 0.60
Specific heat capacity[J/g.K]: 0.46
Coefficient of Linear Thermal Expansion 10-6 oC-1
Heat to 750-780oC, cool slowly.
430 does not respond to hardening by heat treatment.
Mechanical properties at at ambient temperature
Hardness: 185 HB
0.2% proof stress: 270 N/mm2
Tensile strength: 450-600 N/mm2
Elongation: 20% (Longit.)
Hot forming temperature: 1100-800oC.
Rated at 60 % of B1112. Relatively easily machined in all common procedures.
All common welding methods used for stainless will be successful with 430. Filler metal should be AWS E/ER308 or 312.
Resistant to fresh water and mild atmospheric corrodants. Successful in exterior automotive trim applications except in coastal areas where salt water and air will cause corrosion.
All technical information is for reference only.