Sanmac® 2205
UNS S31803/S32205 | EN 1.4462 | Duplex
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About
Sanmac®2205 is a duplex (austenitic-ferritic) stainless steel grade with excellent material cleanliness, for highly demanding applications.
Grade characteristics
High
- Mechanical strength – roughly twice the proof strength of standard austenitic stainless steels
- Resistance to stress corrosion cracking (SCC) in chloride-bearing environments
- Resistance to stress corrosion cracking (SCC) in environments containing hydrogen sulfide
- Resistance to general corrosion, pitting and crevice corrosion
- Resistance to erosion corrosion and corrosion fatigue
Good
- Hot-working properties
- Weldability
Material designations
- UNS: S31803, S32205
- EN Number: 1.4462
- W.Nr.: 1.4462
Product standards
- ASTM A-479 / ASME SA-479
- ASTM A-276 / ASME SA-276
- EN 10088-3
- EN 10088-5 (D≤160 mm / D≤6.30”)
- NACE MR0175 / ISO 15156-3
- NACE MR0103 / ISO 17945-1
- ISO 14067:2018 (CO2e)
Chemical composition and mechanical properties only :
- EN 10222-5
- EN 10272
- ASTM A-182 / ASME SA-182
Approvals
- Pressure Equipment Directive / PED (2014/68/EU)
- Pre-approval for PMA
- ISO17782:2018, NORSOK M650 Ed. 4
- DNV approved manufacturer, (D≤300 mm / D≤11.8”)
Climate change impact
Carbon footprint / CO2e data (kg/ton) and Life Cycle Assessment report is available for these products in the range of D>260-450 mm (D>10.23-17.70”)
Material Test Certificate
- According to EN 10204/3.1