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Stainless Steel 430 is a ferritic stainless steel alloyed with chromium but little or no nickel. That makes it one of the most affordable stainless grades, with good general corrosion resistance, excellent resistance to oxidation, useful formability and low thermal expansion for a stainless steel.
Unlike 304, it is magnetic in all conditions and cannot be hardened by heat treatment. It resists nitric acid well, which suits certain chemical uses, and it is a favourite for appliance panels, dishwasher linings, cooker trim, chimney liners, fasteners and automotive trim where cost is a key factor.
We CNC mill and turn 430 from bar and plate, supplied with a clean as-machined finish. Its magnetic response also makes it useful for parts that need to work with magnets or sensors. Upload your drawing for an instant quote on 430 stainless steel parts, with delivery to any address in the UK.
Material
Stainless Steel 430
Description
Strengths
Lead time 10 business days. Low-cost ferritic stainless with good corrosion and oxidation resistance, good formability and low thermal expansion; magnetic in all conditions.
Weaknesses
Cannot be hardened by heat treatment; welding needs preheat
Silver
Ultimate tensile strength
586 MPa
Yield strength
483 MPa
Modulus of elasticity
200 GPa
Elongation at break
20–25%
Density
7.75 g/cm³
Hardness
90 HRB
Corrosion resistance
Good (incl. nitric acid)
Magnetism
Magnetic
UK equivalent
1.4016 / 430S17 (EN60)
Maximum service temperature
870°C
Thermal expansion coefficient
10.4 × 10⁻⁶ /K
Thermal conductivity
26.3 W/(m·K)
Electrical resistivity
60 μΩ·cm
Heat treatment
Not hardenable
Weldability
Good with 150–200°C preheat
Dishwasher & refrigerator panels
Stove trim & chimney liners
Element supports & fasteners
Automotive trim
Values shown are typical supplier figures for Stainless Steel 430 and may vary with stock condition. Please confirm critical properties before production.
430 (1.4016) is a ferritic stainless that machines more easily than 304 because it does not work harden as strongly. It is magnetic in all conditions.
430 suits panels, trim and general fixings. Achievable tolerances depend on part size, geometry and features, so mark any critical tolerances on a 2D drawing with your upload and they will be reviewed and confirmed in your quote.
430 cannot be hardened by heat treatment. It can be welded with a 150–200°C preheat, and passivation can be specified to improve corrosion resistance.
Typical uses include dishwasher and refrigerator panels, stove trim and chimney liners, element supports and fasteners, and automotive trim.
Choose 430 when you need a magnetic stainless steel with good oxidation resistance and low thermal expansion. Choose 304 for better general corrosion resistance and weldability.
The typical lead time shown for 430 stainless steel is 10 business days from an approved order. Quantity, finishing and any heat treatment can affect this, and your quote confirms the date before you order.
Parts in as fast as 10 business days
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