Specifications
Analysis
| Carbon | : | 0.03 % max |
| Manganese | : | 2.00% max |
| Silicon | : | 1.00% max |
| Sulphur | : | 0.015% max |
| Chromium | : | 21.00-23.00% |
| Nickel | : | 4.50-6.50% |
| Nitrogen | : | 0.10-0.22% |
| Molybdenum | : | 2.50-3.50% |
Certification
S31803 grade is available with BS EN 10204 3.1 mill certificate or cast and analysis certification. Please request any material certificate requirements when placing your order.
Form of Supply
Diameters can be sawn to your required lengths as one offs or multiple cut pieces. UNS S31803 plate and sheet are available to European steel grades, which can be supplied as full plates and sheets or can be cut to your requirements.
Diameters availability are up to 12⌀ – 503⌀.
Sheets availability are up to 1.2mm – 50mm.
Contact our experienced sales team who will assist you with your S31803 stainless steel enquiry.
Applications
UNS S31803 duplex can be used successfully as an alternative to standard stainless steel specifications in
applications where higher strength and resistance to stress corrosion cracking is required. Widely used in the
brewing, power generation, marine, petrochemical and chemical engineering industries. Typical applications
include bushes, flanges, shafts and fasteners
