Also in contaminated acid sandvik saf 2507 remains resistant figure 5 and figure 6 show results from tests of sandvik saf. Super duplex 2507 exporter, super duplex uns s32750. Super duplex steel uns s32750s32760 flanges super duplex 2507 socket weld flanges is used for condensers, heat exchangers, dished ends, filters, and more. Due to the ferritic portion of the duplex structure of the alloy it is very resistant to stress corrosion cracking in warm chloride containing environments. Stainless steel 2507 alloy to the pitting corrosion. Astm a276 a479 uns s32750 super duplex steel round bar. Chemical composition, % cr ni mo n cu w fe pre n zeron 100 uns s32760 25. During these years of exporting, wenzhou taixin steel co. Super duplex stainless like s32750, is a mixed microstructure of austenite and ferrite 5050 which has improved strength over ferritic and austenitic steel. Stainless 2507, super duplex 2507, uns s32750, stainless steel. The combination of large tensile strength and impact strength with lower coefficient of thermal expansion and large thermal conductivity makes this alloy superior.
Duplex stainless steel 2507 uns s32750 chemical composition physical properties. Alloy 2507 fasteners are the most popular of the nitrogenstrengthened duplex alloys. Langley alloys super duplex 2507 uns 32750 super duplex alloy uns s32750 f53. Alloy 2507 product forms astm references sheet plate round bar forgings astm a240 a240m astm a276 astm a479 astm a182 description uns s32750 super duplex is an austeniticferritic stainless steel designed for applications requiring excellent corrosion resistance and.
Super duplex steel uns s32750 s32760 flanges, 2507 super. Gaugeable alloy 2507 super duplex tube fittings ms01174. Duplex stainless steel super duplex alloys langley alloys. It has excellent resistance to chloride stress corrosion cracking, high thermal conductivity, and a low coef. Sandvik saf2507 is a superduplex stainless steel for service in highly corrosive conditions, similar to alloy 32750. The grade is characterized by very good chloride corrosion resistance, combined with very high mechanical strength. Astm a789 asme sa 789 saf 2507 uns s32750 stainless steel.
Uns s32750 f53 super duplex stainless steel related specifications en100883 x2crnimon2574 astm a182 f53 w. Super duplex stainless steel 32750 kloeckner metals uk. The chemical composition, and a high chromium and molybdenum content, ensures high tensile strengths and exhibits high thermal conductivity and low thermal expansion. It has very good resistance to localized corrosion and stress corrosion cracking in combination with high mechanical strength.
Alloy 2507 contains high quantities of chromium, nickel, molybdenum and nitrogen which makes it an excellent inhibitor to chloride pitting and crevice corrosion attack. Duplex 2507 is a super duplex stainless steel developed for applications that demand high strength and corrosion resistance. S32750 bolts super duplex bolts stock manufacturers. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. Leoscor alloys is a leading manufacturer as well as the supplier of steel plates. Sandvik saf 2507 uns s32750 is a superduplex stainless steel. Alloy 2507 super duplex tube, pipe, and weld fittings nace mr0175 compliant. Rolled alloys stocks a complete range of zeron 100 products including plate, round bar, pipe, fittings, flanges and welding consumables assuring consistent quality. Download generated pdf file 1mb view forta range datasheet. Uns s32750, and meet the requirements for any equipment table a. S32750 bolts are available in hot forged,cold forged and bar stock machined conditions depending upon the order quantity. Ce3mn j93404 duplex stainless steel alloys chemical composition, mechanical properties, and specifications.
Langley alloys uns s32750 grade f53 uns s32750 forged. Industrial nomenclature or the recommended grade for alloy 2507 is uns s32750. Uns s32750 is a duplex stainless steel especially designed for service in aggressive chloridecontaining environments. As a super duplex stainless steel, the saf 2507 combines the desirable aspects of both austenitic and ferritic grades. Super duplex uns s32750 is the most common super duplex grade in the market. Looking for duplex 2507 plate, bar, pipe, or fittings. Double eagle alloys is a unique specialty metals service center specializing in quality high alloy and nickel alloy metal products. We are the experts in pump shaft quality psq long bar products.
Along with it being corrosion resistant, uns s32750 has a high resistance of cracking and pitting, and. Super duplex uns s32750s32760 stainalloy masters in. Sandvik saf 2507 is highly resistant to corrosion by organic acids, e. The steel has excellent resistance to chloride stress corrosion cracking. Langley alloys super duplex f53 langley alloys 2507, 32750, 1.
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. Today we are specializing in offering very good quality of super duplex steel uns s32750 plates. Alloy 2507 duplex stainless steel plate sandmeyer steel. Stainless steel grade super duplex 2507 uns s32750. Langley alloys prides itself as a service oriented company that can meet the high demands of our customers. Alloy 2507 super duplex tube, pipe, and weld fittings. Stainless 2507, super duplex 2507, uns s32750, stainless. The global leader in specialty metals rolled alloys. Duplex alloy 2507, uns s32750 shaped, flat, square, round, fine wire, plated and unplated speci. Often used in extremely corrosive environments such as desalination, chemical, or offshore subsea.
Duplex stainless steel 2507 uns s32750 chemical composition. Alloy 2507 duplex stainless steel plate citizen metals. Alloy 2507 super duplex solutionannealed material, uns s32750, and meet the requirements for any equipment table a. There is no approval for uns s32750 in the form of plate. Sandvik saf 2507 is particularly suited for use in aggressive environments such as warm chlorinated seawater and acidic, chloride containing media. Super duplex 2507 stainless steel uns s32750 and uns s32760. Since 1982 the company has the most elaborate and sophisticated manufacturing infrastructure to produce cold drawn uns s32750 super duplex steel round bars, we have a production capacity of 6000 mt of high precision quality steel bright bars in. Super duplex 2507 buy super duplex 2507 sheet plate.
Super duplex 2507 super duplex s32750 duplex 2507 super duplex stainless steel uns s32750 wnr 1. Alloy 2507 tubing, which has a high surface hardness, and to. Uns s32750 or 2507 duplex is a super austenitic premium stainless that is similar to 2205 duplex. Langley alloys super duplex 2507 uns 32750 super duplex alloy uns s32750 f53 1. In this work, the hydrogen embrittlement of super duplex stainless steel tubes uns s32750 under different hydrogen charging conditions was investigated. Special properties exceptional strength and corrosion resistance. Alloy 2507 has 25% chromium, 4% molybdenum, and 7% nickel. Numax steels is a one of the leading manufacturer, supplier and exporter of super duplex 2507, super duplex uns s32750, super duplex wnr 1. Forta sdx 2507 is a super duplex product with higher corrosion resistance and mechanical strength than forta dx 2205. 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. Alloy 2507 is highly resistant to carbiderelated intergranular corrosion.
This high molybdenum, chromium and nitrogen content results in excellent resistance to. Excellent resistance to chloride stress corrosion cracking, high thermal conductivity, and a low coefficient of thermal expansion. Dealer price of high quality astm a790 super duplex steel uns s32750 pipe call. However, according to asme paragraph ug15, the design values for seamless tube according to. The alloy has a higher yield strength and lower ductility than the austenitic steels so fabricators may find that higher forming forces, increased. 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. Sandvik saf 2507 superduplex stainless steel sandvik. Duplex 2507 is a super duplex stainless steel designed for applications which demand exceptional strength and corrosion resistance. Our super duplex 2507 seamless tube is made to astm a789, and a1016. Alloy 2507 weld neck flanges is a super duplex stainless steel with a pitting resistance equivalent pre number of more than 40, and provides excellent corrosion resistance and strength. Uns s32750 gr 2507 alloy 2507 grade 2507 duplex stainless steel type 2507 t 2507 ty 2507. Duplex 2507 with uns s32750 is a super duplex stainless steel containing 25% cr, 4% mo, and 7% ni resulting in excellent resistance to chloride pitting and crevice corrosion attack, designed for applications which demand exceptional strength and corrosion resistance. Astm a240 duplex alloys 2507 alloy description duplex 2507 is a super duplex stainless steel with high strength and good corrosion resistance.
Pdf hydrogen embrittlement of super duplex stainless. Duplex alloy 2507 stainless steel wire uns s32750 ulbrich. Some tube fitting components are produced from colddrawn bar stock and, if wetted externally by sour gas, may not meet the requirements of nace. Astm a790 super duplex steel uns s32750 pipe uns s32750.