430/430F Stainless Steel

WLD Steel is a leading manufacturer, supplier and exporter of the stainless steel 430/430F available in a number of different sizes and forms including bar, rod, pipe, tube, sheet, plate and billets.

Type 430 is a chromium-containing Ferrite stainless steel with moderate corrosion and heat resistance. It combines good corrosion resistance and ductility characteristics, has been widely used in automotive trim and appliance components applications like automotive parts, cooking utensils, valves, food processing parts, television cones, tobacco machinery parts.

Grade 430LX is the version by adding Ti or Nb, the content of C is reduced based on 430 steel, which improves the machining and welding performance, mainly used in heating water systems, sanitary appliances, household appliances, bicycle flywheels and so on. Grade 430F the free-machining version of this grade and has higher machinability than 430, and reduced corrosion resistance is acceptable, available in bar form for use in automatic screw machines.

What’re the 430/430F available forms at WLD Steel?

  • Sheet/Plate/Coil: ASTM A240, ASTM A480
  • Round Bar: ASTM A276, ASTM A479
  • Pipe/Tube: ASTM A335, A790, A268

430/430F Equivalent Grades

430 S43000 X8Cr17


SUS 430 430S17 1Cr17
430F S43020 X12CrMoS17


SUS430F / YCr17

430/430F Chemical Composition

Grades C Mn Si P S Cr Ni
430 0.12 1 1 0.04 0.03 16.0-18.0 0.75
430F 0.12 1.25 1 0.06 0.15 16.0-18.0 /

430/430F Mechanical Properties

Grades Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness, Brinell (HB) max
430 450 205 22 183
430F 552 typical 379 typical 25 typical 262