SAF is an acronym of Sandvik Austenitic Ferritic and is a registered trademark of Sandvik Intellectual Property AB.
S32520 is the Unified Numbering System (UNS) designation for a super duplex stainless steel close to that of Ferralium 255.
Copper Nickel Alloys
DEF-STAN is shorthand for Defence Standard, a series of material standards developed by the UK’s Ministry of Defence. What is DEF-STAN 02-835? Defence Standard 02-835 covers the “Requirements for High Strength Copper Nickel Manganese Alloy Forgings, Forging Stock Rods and Sections”, which is the alloy better known as Hiduron 191. This alloy was developed by […]
SAF2205 is a tradename of Sandvik Materials Technology, for their 22Cr duplex stainless steel (S32205, DIN 1.4462, ASTM A182 F60). SAF is an acronym of Sandvik Austenitic Ferritic, whilst 2205 is shorthand for the Unified Numbering System (UNS) designation S32205. The History of Duplex Stainless Steels Duplex stainless steels were developed in the 1930’s, for […]
HVD-1 is the designation of a super duplex stainless steel developed for use in fertiliser production.
Uranus 52N+ is a former-trademark of Industeel. The product is now promoted as UR2507Cu. It designates a type of super duplex stainless steel, closely following UNS S32550. This product is better known on the marketplace as Ferralium 255. Ferralium 255 (UNS32550, DIN 1.4507, F61) is the original SDSS, developed by Langley Alloys in the 1960’s. […]
UR2507Cu is a trademark of Industeel. It was formerly known as UR52N+ or Uranus 52N+. It designates a super duplex stainless steel, closely following UNS S32550. On the market, this material is better known as Ferralium 255. The History of Ferralium 255? Ferralium 255 (UNS32550, DIN 1.4507, F61) is the original SDSS, developed by Langley […]
S32550 is the Unified Numbering System (UNS) designation for the original super duplex stainless steel, best known as Ferralium 255.
2.4858 is the Werkstoff designation for the nickel-based Alloy 825.
22Cr is shorthand for a stainless steel based upon a composition of 22% chromium – a duplex stainless steel.
25Cr is shorthand for a kind of super duplex stainless steel, based upon a composition of 25% chromium. How Does 25CR differ from Standard Stainless Steel? Chromium is a normal component of Stainless Steel — where it is used to increase the steel’s resistance to oxidation. An increase in the level of chromium increases this […]
S32750 and S32760 are both super duplex stainless steels (SDSS). As such, their microstructure is a combination of austenitic and ferritic grains, which imparts the most favourable properties of each. They are based upon a 25% chromium content (25Cr), but differences in their mechanical properties, physical properties and composition are small.
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