304 Stainless Steel


Datum Alloys are a leading supplier of 304 stainless steel foils and sheets from 0.02mm to 0.50mm thick. 304 stainless steel (type 1.4301 in the European BS EN 10088 standard) is a nickel based austenitic stainless steel classified as 300 series – a non-magnetic alloy containing high levels of chromium and nickel and low levels of carbon. Also known as ’18/8′ as it contains 18% chromium and 8% nickel, 304 is a widely used metal for parts used in corrosive environments and can be severely deep drawn – a forming technique suited to seamless parts that require significant strength.

Grade 304 has a high nickel content that is typically between 8 and 10.5% by weight – this high nickel level content combined with 18-20% chromium content give 304 stainless it’s excellent corrosion resistance.

304 is used for parts in a wide variety of industries and applications including:
• Domestic appliances e.g. refrigerators, dishwashers
• Commercial food processing equipment
• Fasteners
• Storage vessels and pipes for corrosive liquids
• Heat exchangers
• pharmaceutical equipment
• mining equipment
• hospital surgical equipment
• marine equipment
• valves
• cryogenic vessels

304 stainless steel (Datum PhD) Hard rolled stainless is available from 0.02mm to 0.50mm thick x 610mm standard width with the ability to cut to width of your choosing and desired length up to 1250mm long. Get in touch with our team for your 304 stainless steel requirements on:

+44 (0) 1548 855 900 (UK & Europe)

+1 607 239 6274 (US)

+65 3157 0394 (Singapore)

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304 Stainless Steel
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304 Stainless Steel
304 Stainless Steel
304 Stainless Steel
304 Stainless Steel
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304 STAINLESS STEEL ATTRIBUTES

Corrosion Resistance
304 has excellent corrosion resistance in a wide range of atmospheric environments and when in contact with different corrosive substances.
Heat Resistance
304 has good resistance to oxidation and can be used at temperatures up to 870°C
Machinability
304 has superior machinability giving higher machining rates and lower tool wear in many operations. 304 stainless can be machined, folded or roll-formed into a variety of components for applications.
Weldability
Datum 304 stainless steel has excellent forming and welding characteristics both with and without fillers. Post-weld annealing is not required when welding thin sections.


TYPICAL CHEMICAL COMPOSITION (%)

304 Stainless Steel

Carbon (C) 0.07
Manganese (Mn) 2.0
Silicon (Si) 1.00
Phosphorous (P) 0.045
Sulphur (S) 0.015 b)
Chromium (Cr) 17.50 - 19.50
Nickel (Ni) 8.00 - 10.50
Iron (Fe) Balance
Nitrogen (N) 0.10

TYPICAL MECHANICAL PROPERTIES

304 Stainless Steel

Tensile Strength (MPa) 540 - 750
Proof Stress (MPa) 230 Min
Elongation A50 mm 45 Min%
Hardness, Rockwell B 70

TYPICAL PHYSICAL PROPERTIES

304 Stainless Steel

Density 8.00 g/cm3
Melting Point 1450 °C
Modulus of Elasticity 193 GPa
Electrical Resistivity 0.72 x 10-6 Ω.m
Thermal Conductivity 16.2 W/m.K
Thermal Expansion 17.2 x 10-6/K

Resources

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304 Stainless Steel (Datum PhD) Datasheet

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