SAF™ 2707 HD is a high-alloy duplex (austenitic-ferritic) stainless steel for service in highly corrosive conditions. The grade is particularly suited for use in aggressive acidic and chloride containing environments.
Extremely high mechanical strength
Physical properties that offer design advantages
Good weldability
Standards
UNS: S32707
EN Number: 1.4658
Product standards
Seamless and welded tube and pipe: ASTM A789, A790
Approvals
ASME BPV Code, Section VIII, Divsion 1.
Particular Material Appraisal (PMA), austenitic-ferritic steel SAF™ 2707HD (seamless tube):
PED (Pressure Equipment Directive) 2014/68/EU and AD2000.