Langley alloys super duplex f53 langley alloys 2507, 32750, 1. Fine tubes 2507 datasheet alloy metals and tubes international. Stainless steel 2507 alloy to the pitting corrosion. Strip alloy 2507 stainless steel elgiloy specialty metals. This results in improved yield strength and pitting resistance. Super duplex steel s32750 nuts, uns s32760 hex nut, super. There is no approval for uns s32750 in the form of plate. Excellent resistance to chloride stress corrosion cracking, high thermal conductivity, and a low coefficient of thermal expansion. Gaugeable alloy 2507 super duplex tube fittings ms01174. Uns s32760 super duplex stainless steel for wet fgd air. Alloy 2507 has 25% chromium, 4% molybdenum, and 7% nickel. Further super duplex grade stainless steels have nitrogen added to their alloy. This high molybdenum, chromium and nitrogen content results in excellent resistance to chloride pitting and crevice corrosion attack and the duplex structure provides 2507 with exceptional resistance to chloride stress corrosion cracking. Buy super duplex stainless steel s32760 heavy hex nuts, uns s32750 hexagon nuts, uns s32760 machine hex nuts, super duplex s32750 s32760 nut at best price for various industrial applications, super duplex steel 2507 hex nuts with extensive size range, dimensions and.
Duplex stainless steel 2507 uns s32750 chemical composition physical properties. Sandvik saf 2507 is a superduplex austeniticferritic stainless steel for service in highly corrosive. The uns s32760 alloy 2507 nuts and bolts are also resistant to general corrosive acids. Special properties exceptional strength and corrosion resistance. Sandvik saf 2507 tube and pipe, seamless alloy metals. Rolled alloys stocks a complete range of zeron 100 products including plate, round bar, pipe, fittings, flanges and welding consumables assuring consistent quality. The super duplex alloys s32750 and s32760, commercially know as 2507 and z100, respectively, have been widely and successfully applied. Super duplex material has nitrogen as an addition to the super duplex alloys. Nas74n is a super duplex stainless steel with pitting resistance equivalent pre number higher than 40, which provides not only excellent corrosion.
Super duplex f53 uns s32750 eu origin broder metals group. Alloy 2507, is referred to as a super duplex stainless steel alloy for several reasons. The higher chromium, molybdenum and nitrogen contents result in a pitting resistance. Saf 2507, also known as sandvik saf 2507, is a sandvikowned trademark for a 25cr duplex. The presence of crevice cannot be inhibited in the practical manufacturing processes and operations that make it more prone to the corrosion in the chloride conditions. This high molybdenum, chromium and nitrogen content results in excellent resistance to chloride pitting and crevice corrosion attack and the duplex structure provides 2507 with exceptional resistance to. We offer a broad range of s32750 s32760 perforated sheet, chequered plate through a worldwide network of stockkeeping branches. Uns s32750, commonly known as super duplex 2507, is very similar to uns s31803 duplex. Super duplex grades can differ based on the composition. Buy super duplex stainless steel s32760 heavy hex nuts, uns s32750 hexagon nuts, uns s32760 machine hex nuts, super duplex s32750 s32760 nut at best price for various industrial applications, super duplex steel 2507 hex nuts with extensive size range. Super duplex steel s32750 stud bolt, uns s32760 threaded.
The cutting parameters in this guideline will work under normal cutting conditions. Duplex 2507 uns s32750 is a super duplex stainless steel 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 alloys, whose chemical composition is shown in table i, are briefly described as follows. Saf 2507 superduplex stainless steel sandvik materials. Nas74n uns s32750 crevice corrosion resistance alloy astm g48 method d critical crevice corrosion temperature cct c nas329j3l 25 nas64 30 nas74n 45 test conditions astm g48 method d test solution. High resistance to chloride stress corrosion cracking. Super duplex uns s32750 is the most common super duplex grade in the market. Often a light gauge of 2507 material can be used to achieve the same design strength of a thicker nickel alloy. Hiduron 191 is a mediumstrength precipitation hardened cupronickel alloy supplied in the hot worked condition. Super duplex bolts nuts alloy 2507 fasteners uns s32760. S32750 stainless steel is a duplex stainless steel formulated for primary forming into wrought products. As a super duplex stainless steel, it combines the desirable aspects of both austenitic and ferritic grades. Sandvik saf 2507 tuns s32750 is a ferriticaustenitic stainless steel for service in highly corrosive c.
Applications oil and gas industry equipment offshore platforms, heat exchangers, process and service. Alloy 2507 super duplex steel plate, super duplex steel s32760 sheets, aisi s32760 plate, super duplex steel s32750 plates, super duplex steel s32760 slatting, super duplex steel uns s32750 plates, super duplex steel s32750 coils, 2507 super duplex steel hot rolled plates supplier in mumbai, india. Chemical composition, % cr ni mo n cu w fe pre n zeron 100 uns s32760 25. The grade is characterized by very good chloride corrosion resistance, combined with very high mechanical strength. The products also have high chloride ion stress cracking resistance. S32750 stainless steel have enhanced pitting and crevice corrosion resistance when compared with 300series austenitic stainless steel or conventional duplex alloys. Super duplex steel s32750 plates, 2507 super duplex steel. Astm a789 asme sa 789 saf 2507 uns s32750 stainless steel. Langley alloys super duplex 2507 uns 32750 super duplex alloy uns s32750 f53 1. Langley alloys uns s32750 grade f53 uns s32750 forged flanges. Cited properties are appropriate for the annealed condition. Sandvik saf 2707 hd uns s32707 a hyperduplex stainless. First, the chemistry of the astm a790 uns s32750 seamless pipe is designed to withstand highly corrosive environments, in particular those environments which are susceptible to getting decayed by either pitting or by crevice corrosion.
Langley alloys prides itself as a service oriented company that can meet the high demands of our customers. Super duplex fasteners, alloy 2507 bolts and nuts, uns s32750. Saf 2507 uns s32750 is a superduplex stainless steel. Super duplex fasteners, alloy 2507 bolts and nuts, uns. It has a fairly low ductility among wrought duplex stainless steels. Most recently, the development of the modern duplex family continues with. Astm a182 standard specification for forged or rolled alloy steel pipe flanges, forged fittings, and valves and parts for hightemperature service. Our super duplex 2507 seamless tube is made to astm a789, and a1016. Alloy 2507 uns s32750 is a super duplex stainless steel 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. Duplex stainless steel super duplex alloys langley alloys. The relationship between chromium nitride and secondary. Desalination equipment, saltwater handling, flue gas desulfurization, food processing equipment, heat exchangers, pulp mill bleach systems, and oil distillation.
Alloy 2507 duplex stainless steel plate sandmeyer steel. Fine tubes super duplex stainless steel uns s32750 is an austeniticferritic phase material which has the following properties. Test media astm g 36, 45 % mgcl 40 % cacl2 40 % cacl2 astm g. Trade name alloy 2507, superduplex standards material no. Grade 2507 offers excellent resistance to crevice corrosion. Unifit metalloys inc is one of the leading manufacturers and supplier of super duplex steel s32750s32760 hex nuts in india. The super duplex alloys s32750 and s32760, commercially know as 2507 and z100, respectively, have been widely and successfully applied in oil and gas and desalination applications for many years. Duplex stainless steel 2507 is a super austenitic ferritic stainless steel that offers high. Ce3mn uns s32750, is super duplex stainless steel, with greater corrosive resistance than standard ss2205. Excellent durability in highly corrosive conditions and widely used for valve manufacture in chemical processing and marine environments. Astm a790 uns s32750 seamless pipe sa789 s32750 sdss welded.
Possible precipitations in super duplex stainless steels. Duplex steel supplier and 2205 stainless steel price grades. The resulting weight savings can considerably reduce the overall cost of fabrication. The uns designation for saf 2507 is s32750 and the en steel no. Super duplex steel uns s32750 stud bolts in the austenitic group have different compositions and properties, but many common characteristics. Astm a240 duplex alloys 2507 alloy description duplex 2507 is a super duplex stainless steel with high strength and good corrosion resistance. Ce3mn uns s32750, is super duplex stainless steel, with greater corrosive resistance than standard ss2205 and 188 crni and 1814218143 crnimo stainless steel parts, mainly used for service in corrosive. The addition of nitrogen in both grades stabilizes the austenite properties where nickel is present. Saf 2507 uns s32750, has become commonplace for meeting such challenges.
Both manual and mechanized tig welding can be used. Super duplex 2507 stainless steel uns s32750 and uns s32760. The steel has excellent resistance to chloride stress corrosion cracking, high thermal conductivity, and a. Desalination equipment, saltwater handling, flue gas desulfurization. Super duplex stainless steel suppliers and price per kg in uae. Super duplex steel s32750 sheet, super duplex s32760 plate. Stainless 2507, super duplex 2507, uns s32750, stainless. Using nitrogen in the alloy of the uns s32750 bolts promotes structural hardening, which in turn raises the tensile and the yield strength of the saf 2507 bolts without affecting the toughness property of the stainless steel.
Duplex 2507 is a super duplex stainless steel designed for applications which demand exceptional strength and corrosion resistance. The super duplex 2507 bolts have very high resistance to pitting, corrosion, corrosion fatigue and crevice corrosion. Alloy 2507 seamless super duplex tubing, fractional. Super duplex steel s32750 stud bolt, uns s32760 threaded rod. A guide for further optimization of cutting parameters can be found under trouble shooting in the next page. Astm a790 uns s32750 alloy 2507 pipe price list ex mumbai compare our cost from leading super duplex stainless steel pipe manufacturer, also check pressure rating, schedule and weight chart astm a790 uns s32750 super duplex 2507 pipe seamless 33.
Super duplex steel uns s32750 s32760 sheet plate coil are known to deliver exceptional performance and are generally developed for meeting the demands. Saf2507 alloy steel stainless steel titanium malaysia. The difference between the two is the contents of chromium and nitrogen are higher in the super duplex grade which in turn creates higher corrosion resistance as well as a longer lifespan. Seamless 2507 tube is annealed between 1880f and 2060f followed by a rapid quench in either air or water. Fitting bodies marked sg are produced from type alloy 2507 super duplex solutionannealed material, uns s32750, and meet the requirements for any equipment table a. Astm a790 uns s32750 seamless pipe sa789 s32750 sdss. Because of its higher alloy content, 2507 is superior to 2205 in corrosion resistance and strength. The duplex structure of 2507 provides excellent resistance to chloride stress corrosion cracking scc. Langley alloys uns s32750 grade f53 uns s32750 forged. We offer a broad range of s32750 s32760 perforated sheet, chequered plate through a. Designed for service in aggressive chloridecontaining environments. Duplex alloy 2507, uns s32750 shaped, flat, square, round, fine wire, plated and unplated speci. This can be attributed to the enhanced levels of chromium, molybdenum and nitrogen found in these materials.
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