2507 S32750 1.4410 General Property
Alloy SAF 2507 (UNS S32750) is a super duplex stainless steel pipe with 25% chromium, 4% molybdenum, and 7% nickel designed for demanding applications which require exceptional strength and corrosion resistance, such as chemical process, petrochemical, and seawater equipment. The steel has excellent resistance to chloride stress corrosion cracking, high thermal conductivity, and a low coefficient of thermal expansion. The high chromium, molybdenum, and nitrogen levels provide excellent resistance to pitting, crevice, and general corrosion.
“Super” duplex grades have enhanced pitting and crevice corrosion resistance when compared with 300-series austenitic stainless steel or conventional duplex alloys. This can be attributed to the enhanced levels of chromium, molybdenum and nitrogen found in these materials. Alloy 2507 is the most common “super” duplex grade.
2507 Super Duplex Pipe
General Properties
Application
Standards
Chemical Composition
Resistance to Corrosion
Physical Properties
Mechanical Properties
Welding
Processing
ASTM A789/A789M
ASTM A 790/A 790M
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2507 S32750 1.4410 Duplex Stainless Steel Tube Pipe
Super-Duplex Stainless Steels and their characteristics
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