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There are more than 2,500 standardized types of steel worldwide, which differ in their composition, manufacturing and post-treatment processes and therefore also in their intended use. Almost 400 of these materials are also produced in our rolling mills. Finding your way around often costs time and nerves.
Our material database should save you time and nerves and make the material search easier.
If you already know the required material, simply use our search function. For example, search for the short name, EN, AISI or UNS. Under Details you will also find the detailed data sheet, which is also available for download.
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1.4305 - X8CrNiS18-9 - 303 - S30300

Property Value
EN 1.4305
Short Name X8CrNiS18-9
AISI 303
UNS S30300
Common Designations BS 303S31; AFNOR Z8CNF18-09; JIS SUS303; SS 2346; UNE F.310.C
Typical Applications Corrosion-resistant austenitic steel with added sulfur for machining in the automotive, food, mechanical engineering, petrochemical, instrument and electronic equipment industries
Applicable Standards EN 10088-3; ASTM A582; ASME SA582; ASTM F899; EN ISO 7153-1
C max. 0,10
Si max. 1,00
Mn max. 2,00
P max. 0,045
S 0,15-0,35
Cr 17,0-19,0
Ni 8,0-10,0
N max. 0,10
Cu max. 1,00
Analysis Note acc. to EN 10088-3
Density [kg/dm³] 7,90
Electrical Resistance at 20°C [Ohm*mm²/m] 0,73
Thermal Conductivity at 20°C [W/m*K] 15,0
Mc Thermal Expansion [10⁻⁶ * K⁻¹] 20-100 °C: 16,0 / 20-400 °C: 17,5 / 20-500 °C: 18,0
Typical Heat Treatment solution annealed
Typical Hardness [HBW] max. 230
Typical Tensile Strength [MPa] 500-750
Category Automotive
Chemical industry
Medical technology
Datasheet (PDF)