Category: Super Duplex

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Ferralium\u00ae 255 is a super duplex stainless steel<\/a> supplied in the cold finished and annealed condition. As a 25% Chromium alloy, with significant additions of Copper, it offers excellent corrosion resistance in a wide variety of corrosive chemicals including sulphuric, nitric and phosphoric acid.\u00a0 In seawater and other chloride containing environments it also provides outstanding resistance to pitting and crevice corrosion, with Critical Pitting Temperature exceeding 50\u00b0C. Excellent ductility and impact strength at both ambient and sub-zero temperatures combine with a high resistance to abrasion, erosion and cavitation erosion.<\/p>\n
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In its various product forms, Ferralium\u00ae 255 is listed in NACE MR 0175 for sour service and gained ASME Approval for Pressure Vessel applications. It has been tested to the highest degree using tests designed to guarantee that the trade-marked product possesses high integrity, a correct phase balance and the absence of sigma and other deleterious phases.<\/p>\n",
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        "Higher copper content provides self-healing effect at sites of pitting to inhibit further growth",
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As a 25% Cr alloy, with significant additions of copper, Ferralium\u00ae<\/sup> 255 offers excellent corrosion resistance in a wide variety of corrosive chemicals including sulphuric, nitric and phosphoric acid. In seawater and other chloride containing environments it also provides outstanding resistance to pitting and crevice corrosion, with Critical Pitting Temperature exceeding 50\u00b0C. Excellent ductility and impact strength at both ambient and sub-zero temperatures combine with a high resistance to abrasion, erosion and cavitation erosion.<\/p>\n
Listed in NACE MR 01 75 for sour service and having gained ASME Approval for Pressure Vessel applications, Ferralium\u00ae<\/sup> 255-SD50 is tested to the highest degree using tests designed to guarantee that the trade-marked product possesses high integrity, a correct phase balance and the absence of sigma and other deleterious phases.<\/p>\n",
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        "Higher copper content provides self-healing effect at sites of pitting to inhibit further growth",
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        "Bolts and fasteners",
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        "Grain and vegetable processing plant, sugar cane centrifuges",
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Careful formulation of the weld wire composition ensures the optimum combination of weld strength and corrosion resistance, achieved by\u00a0over-alloying the wire with Nickel to maintain the correct (austenite \/ ferrite) phase balance.\n","features":[{"feature":"Ferralium\u00ae 255-SD50 weld wire is available for GTAW and GMAW welding processes"},{"feature":"Available in diameters 1.2mm, 1.6mm (1\/16\u201d), 2.4mm (3\/32\u201d) and 3.2mm(1\/8\u201d)"},{"feature":"Over-alloyed in nickel to ensure correct phase balance is maintained when welding with standard shielding and backing gases"}],"applications":[{"application":"GTAW (TIG) welding"},{"application":"GMAW (MIG) welding"}],"composition":{"ID":1577,"id":1577,"title":"Ferralium 255 - SD50 Weld Wire - Chem Rev1","filename":"Ferralium-255-SD50-Weld-Wire-Chem-Rev1.xls","filesize":31232,"url":"https:\/\/www.langleyalloys.com\/wp-content\/uploads\/2017\/05\/Ferralium-255-SD50-Weld-Wire-Chem-Rev1.xls","link":"https:\/\/www.langleyalloys.com\/en\/products\/ferralium-255-sd50-welding-wire\/ferralium-255-sd50-weld-wire-chem-rev1\/","alt":"","author":"3","description":"","caption":"","name":"ferralium-255-sd50-weld-wire-chem-rev1","status":"inherit","uploaded_to":1575,"date":"2017-05-04 10:04:58","modified":"2017-05-04 10:04:58","menu_order":0,"mime_type":"application\/vnd.ms-excel","type":"application","subtype":"vnd.ms-excel","icon":"https:\/\/www.langleyalloys.com\/wp-includes\/images\/media\/spreadsheet.png"},"mechanical":{"ID":1578,"id":1578,"title":"Ferralium 255 - SD50 Weld Wire - Mech Rev1","filename":"Ferralium-255-SD50-Weld-Wire-Mech-Rev1.xls","filesize":31232,"url":"https:\/\/www.langleyalloys.com\/wp-content\/uploads\/2017\/05\/Ferralium-255-SD50-Weld-Wire-Mech-Rev1.xls","link":"https:\/\/www.langleyalloys.com\/en\/products\/ferralium-255-sd50-welding-wire\/ferralium-255-sd50-weld-wire-mech-rev1\/","alt":"","author":"3","description":"","caption":"","name":"ferralium-255-sd50-weld-wire-mech-rev1","status":"inherit","uploaded_to":1575,"date":"2017-05-04 10:04:59","modified":"2017-05-04 10:04:59","menu_order":0,"mime_type":"application\/vnd.ms-excel","type":"application","subtype":"vnd.ms-excel","icon":"https:\/\/www.langleyalloys.com\/wp-includes\/images\/media\/spreadsheet.png"}}],"sort_order":"100","page_head_image":{"ID":821,"id":821,"title":"Ferralium weld wire","filename":"Ferralium-weld-wire.jpg","filesize":323414,"url":"https:\/\/www.langleyalloys.com\/wp-content\/uploads\/2015\/11\/Ferralium-weld-wire.jpg","link":"https:\/\/www.langleyalloys.com\/en\/products\/ferralium-255-sd50-welding-wire\/ferralium-weld-wire\/","alt":"","author":"3","description":"","caption":"","name":"ferralium-weld-wire","status":"inherit","uploaded_to":1575,"date":"2017-03-24 13:50:40","modified":"2019-07-08 10:11:11","menu_order":0,"mime_type":"image\/jpeg","type":"image","subtype":"jpeg","icon":"https:\/\/www.langleyalloys.com\/wp-includes\/images\/media\/default.png","width":1296,"height":1936,"sizes":{"thumbnail":"https:\/\/www.langleyalloys.com\/wp-content\/uploads\/2015\/11\/Ferralium-weld-wire-150x150.jpg","thumbnail-width":150,"thumbnail-height":150,"medium":"https:\/\/www.langleyalloys.com\/wp-content\/uploads\/2015\/11\/Ferralium-weld-wire-201x300.jpg","medium-width":201,"medium-height":300,"medium_large":"https:\/\/www.langleyalloys.com\/wp-content\/uploads\/2015\/11\/Ferralium-weld-wire-768x1147.jpg","medium_large-width":768,"medium_large-height":1147,"large":"https:\/\/www.langleyalloys.com\/wp-content\/uploads\/2015\/11\/Ferralium-weld-wire-685x1024.jpg","large-width":685,"large-height":1024,"1536x1536":"https:\/\/www.langleyalloys.com\/wp-content\/uploads\/2015\/11\/Ferralium-weld-wire.jpg","1536x1536-width":1028,"1536x1536-height":1536,"2048x2048":"https:\/\/www.langleyalloys.com\/wp-content\/uploads\/2015\/11\/Ferralium-weld-wire.jpg","2048x2048-width":1296,"2048x2048-height":1936,"gallery_slider":"https:\/\/www.langleyalloys.com\/wp-content\/uploads\/2015\/11\/Ferralium-weld-wire-570x390.jpg","gallery_slider-width":570,"gallery_slider-height":390,"services":"https:\/\/www.langleyalloys.com\/wp-content\/uploads\/2015\/11\/Ferralium-weld-wire-600x495.jpg","services-width":600,"services-height":495,"post":"https:\/\/www.langleyalloys.com\/wp-content\/uploads\/2015\/11\/Ferralium-weld-wire-770x400.jpg","post-width":770,"post-height":400,"square":"https:\/\/www.langleyalloys.com\/wp-content\/uploads\/2015\/11\/Ferralium-weld-wire-600x600.jpg","square-width":600,"square-height":600,"photo":"https:\/\/www.langleyalloys.com\/wp-content\/uploads\/2015\/11\/Ferralium-weld-wire-600x400.jpg","photo-width":600,"photo-height":400,"video":"https:\/\/www.langleyalloys.com\/wp-content\/uploads\/2015\/11\/Ferralium-weld-wire-1800x985.jpg","video-width":1800,"video-height":985}},"page_head_title":"","page_head_subtitle":""}

{"product":[{"acf_fc_layout":"overview"},{"acf_fc_layout":"details","british_specifications":false,"european_specifications":[{"european":"1.4410"}],"united_states_specifications":[{"united_states":"ASTM A276\/A476"},{"united_states":"UNS S32750 (Super Duplex 32750)"},{"united_states":"ASME A182 Duplex F53"}],"description":"Alloy 32750 is a super duplex stainless steel supplied in the solution annealed condition. As a super duplex stainless steel, it combines the desirable aspects of both austenitic and ferritic grades. The higher chromium, molybdenum and nitrogen contents result in a Pitting Resistance Equivalent number (PREN) of >41, providing pitting and crevice corrosion resistance superior to austenitic and duplex stainless steels in almost all corrosive media, and a Critical Pitting Temperature exceeding 50\u00b0C.\nSupplied in the annealed condition, it achieves yield strengths of 80ksi (550Mpa), greater than most austenitic and duplex stainless steel grades. It cannot be hardened by heat treatment but can be strengthened by cold working. It also exhibits a low coefficient of thermal expansion and higher heat conductivity than austenitic steels and is suitable for working temperatures up to 300\u00b0C. Alloy 32750 is listed in NACE MR 0175 for sour service and having gained ASME Approval for Pressure Vessel applications it can be used in a wide variety of applications.\n","short_description":"Alloy 32750 is a super duplex stainless steel supplied in the solution annealed condition. As a super duplex stainless steel, it combines the desirable aspects of both austenitic and ferritic grades. The higher chromium, molybdenum and nitrogen contents result in a Pitting Resistance Equivalent number (PREN) of >41, providing pitting and crevice corrosion resistance superior to austenitic and duplex stainless steels in almost all corrosive media, and a Critical Pitting Temperature exceeding 50\u00b0C.\n","features":[{"feature":"Excellent corrosion resistance in a wide variety of corrosive chemicals"},{"feature":"Pitting Resistance Equivalent number (PREN) of >41"},{"feature":"Outstanding resistance to pitting and crevice corrosion in seawater and other chloride containing environments"},{"feature":"Critical Pitting Temperature exceeding 50\u00b0C"},{"feature":"High strength compared to austenitic and 22%Cr duplex stainless steels"},{"feature":"Excellent ductility and impact strength at both ambient and sub-zero temperatures"},{"feature":"High resistance to abrasion, erosion and cavitation erosion"},{"feature":"Excellent resistance to stress corrosion cracking in chloride containing environments"},{"feature":"Listed in NACE MR 0175 for sour service"},{"feature":"ASME Approval for Pressure Vessel application"}],"applications":[{"application":"Process industry components in nitric acid, dioxide, polypropylene & PVC production, caustic evaporators"},{"application":"Equipment handling organic & fatty acids"},{"application":"Marine industry and shipbuilding propellers, shafts, rudders, shaft seals, pumps, bolts, fasteners, valves, instrumentation"},{"application":"Oil and chemical tankers"},{"application":"Oil & Gas industry pumps, valves, pipe, vessels, wellhead equipment, subsea equipment"},{"application":"Pollution control systems, fans and pumps, wet scrubbers, incinerators, flue gas desulphurisation (FGD)"},{"application":"Pulp & paper industry components such as black liquor heater tubes, digester blow valves, rotary feed valves, I.D.fans, brownstock washers, precipitators, bleaching components"},{"application":"Food Industry applications including sugar cane centrifuges, corn and vegetable processing plant"},{"application":"Agrochemicals production such as fertilisers (based on wet phosphoric acid)"},{"application":"Sewage treatment, seawater cooling, desalination plants"}],"composition":{"ID":2235,"id":2235,"title":"Alloy 32750 Bar - 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{"product":[{"acf_fc_layout":"overview"},{"acf_fc_layout":"details","british_specifications":[{"british":"Alloy 255"}],"european_specifications":[{"european":"1.4507"}],"united_states_specifications":[{"united_states":"ASTM A276 \/ A476"},{"united_states":"UNS S32550"},{"united_states":"ASME A182   F61"}],"description":"Ferralium\u00ae 255 \u2013 3AF is a super duplex stainless steel\u00a0which is supplied in either a hot worked condition, annealed or aged condition.\nBy subjecting the product to an additional ageing process, it is possible to further increase the tensile strength of the product whilst retaining the products high levels of ductility.\nAs a variant of our unique Ferralium\u00ae 255 \u2013 SD50 product, it is a 25% Cr alloy with significant additions of Cu, offering excellent corrosion resistance in a wide variety of corrosive chemicals including sulphuric, nitric and phosphoric acid.\u00a0 When exposed to seawater and other chloride containing environments, it also provides outstanding resistance to pitting and crevice corrosion, with a critical pitting temperature exceeding 50\u00b0C.\nExcellent ductility and impact strength are retained at both ambient and sub-zero temperatures, despite the elevated strength levels. These are also combined with a high resistance to abrasion, erosion and cavitation erosion. Listed in NACE MR 01 75 for sour service and having gained ASME Approval for Pressure Vessel applications, Ferralium\u00ae 255-3AF is tested to the highest degree using tests designed to guarantee that the trade-marked product possesses high integrity, a correct phase balance and the absence of sigma and other deleterious phases.\n","short_description":"Ferralium\u00ae 255 \u2013 3AF is a super duplex stainless steel supplied in the hot worked, annealed and aged condition. By subjecting the product to an additional ageing process, it is possible to further increase the tensile strength of the product whilst retaining high levels of ductility. As a variant of our unique Ferralium\u00ae 255 \u2013 SD50 product, it is a 25% Cr alloy with significant additions of Cu, offering excellent corrosion resistance in a wide variety of corrosive chemicals including sulphuric, nitric and phosphoric acid.\u00a0 In seawater and other chloride containing environments it also provides outstanding resistance to pitting and crevice corrosion, with Critical Pitting Temperature exceeding 50\u00b0C.\n \n","features":[{"feature":"The aged product achieves even higher tensile strength, > 840N\/mm2 (121.8 ksi), whilst retaining high ductility"},{"feature":"Ferralium\u00ae was developed in the 1960\u2019s, pioneering the addition of nitrogen, to create the first super duplex stainless steel"},{"feature":"The product was then further developed throughout the 1990\u2019s to extend PREN > 40, and more recently to increase its mechanical properties"},{"feature":"Pitting Resistance Equivalent (PREN) >40, indicating outstanding resistance to pitting and crevice corrosion"},{"feature":"Very low levels of sulphur minimise the likelihood of inclusions as sites for potential pitting corrosion"},{"feature":"Higher copper content provides self-healing effect at sites of pitting to inhibit further growth"},{"feature":"Available as bars, plate, pipe and fittings with complementary weld wire"},{"feature":"Particularly suitable for larger components as the formation of sigma phase is much less likely than it is for other Super Duplexes"}],"applications":[{"application":"Oil & Gas industry pumps, valves, wellhead and subsea equipment"},{"application":"Pollution control scrubbers, precipitators, fans and pumps"},{"application":"Marine propellers, shafts, rudders, seals, pumps, valves"},{"application":"Bolts and fasteners"},{"application":"Process industry equipment in sulphuric acid, nitric acid, phosphoric acid, PP \/ PVC\/TiOx production, agrochemicals"},{"application":"Grain and vegetable processing plant, sugar cane centrifuges"},{"application":"Pulp and paper digester blow vales, feed valves, washers, black liquor heater tubes, bleaching components"},{"application":"Copper smelting fans, tuyere bars, wet scrubbers, leaching area precipitators"},{"application":"Water and sewage treatment, desalination, swimming pools"}],"composition":{"ID":1109,"id":1109,"title":"Ferralium 255 - 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{"product":[{"acf_fc_layout":"overview"},{"acf_fc_layout":"details","british_specifications":[{"british":"Alloy 255"}],"european_specifications":[{"european":"1.4507"}],"united_states_specifications":[{"united_states":"ASTM A276\/A476"},{"united_states":"UNS S32550"},{"united_states":"ASME A182   F61"}],"description":"Ferralium\u00ae 255 \u2013 SD50 HS110 is a higher strength super duplex stainless steel supplied in the strain hardened condition (Condition S). By precise further processing, it achieves significantly raised yield and tensile strengths whilst still retaining good levels of impact strength. Typically offered in tubular form, the machined bar will serve as coupling material, suitable for subsequent processing to coupling stock, couplings and other tubular goods as outlined in API 5CRA \/ 5CT. It therefore provides a cost-effective alternative for applications that previously used higher cost alloys. The production route allows smaller quantities to be economically manufactured against competitive lead times.\nAs a 25% Cr alloy, with significant additions of copper, it offers excellent corrosion resistance in a wide variety of corrosive chemicals including sulphuric, nitric and phosphoric acid. In seawater and other chloride containing environments it also provides outstanding resistance to pitting and crevice corrosion, with Critical Pitting Temperature exceeding 50\u00b0C. Excellent ductility and impact strength at both ambient and sub-zero temperatures combine with a high resistance to abrasion, erosion and cavitation erosion.\nFerralium\u00ae 255 \u2013 SD50 HS110 builds upon the Ferralium\u00ae 255 \u2013 SD50 product which is listed in NACE MR 01 75 for sour service and has gained ASME Approval for Pressure Vessel applications. It is tested to the highest degree using tests designed to guarantee that our trade-marked product possesses high integrity, correct phase balance and the absence of sigma and other deleterious phases.\n","short_description":"Ferralium\u00ae 255 \u2013 SD50 HS110 is a higher strength super duplex stainless steel supplied in the strain hardened condition (Condition S). By precise further processing, it achieves significantly raised yield and tensile strengths whilst still retaining good levels of impact strength. Typically offered in tubular form, the machined bar will serve as coupling material, suitable for subsequent processing to coupling stock, couplings and other tubular goods as outlined in API 5CRA \/ 5CT. It therefore provides a cost-effective alternative for applications that previously used higher cost alloys. The production route allows smaller quantities to be economically manufactured against competitive lead times.\n","features":[{"feature":"Ferralium\u00ae was originally developed in 1960\u2019s, pioneering the addition of nitrogen, to create the first super duplex stainless steel"},{"feature":"Ferralium\u00ae was then continually developed through 1990\u2019s to extend PREN > 40, and more recently to increase mechanical properties"},{"feature":"Pitting Resistance Equivalent (PREN) >40, indicating outstanding resistance to pitting and crevice corrosion"},{"feature":"Very low levels of sulphur minimise the likelihood of inclusions as sites for potential pitting corrosion"},{"feature":"Higher copper content provides self-healing effect at sites of pitting to inhibit further growth"},{"feature":"Now available in a high strength variant, achieving proof stress exceeding 110ksi (758N\/mm2) in diameters up to 6 \u00bd\u201c"}],"applications":[{"application":"Ferralium\u00ae 255 \u2013 SD50 is widely specified in the Oil & Gas industry for pumps, valves, wellhead and subsea equipment"},{"application":"Ferralium\u00ae 255 \u2013 SD50 HS110 has been developed for applications currently only able to be supplied from tubular goods in more costly nickel alloys"},{"application":"Coupling material for conversion to coupling stock, couplings, collars and associated components"}],"composition":{"ID":1124,"id":1124,"title":"Ferralium 255 - 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The higher chromium, molybdenum and nitrogen contents result in a Pitting Resistance Equivalent number (PREN) of >40, providing pitting and crevice corrosion resistance superior to austenitic and duplex stainless steels in almost all corrosive media, and a Critical Pitting Temperature exceeding 50\u00b0C.\n \n \n","features":[{"feature":"Excellent corrosion resistance in a wide variety of corrosive chemicals"},{"feature":"Pitting Resistance Equivalent number (PREN) of >40"},{"feature":"Outstanding resistance to pitting and crevice corrosion in seawater and other chloride containing environments"},{"feature":"Critical Pitting Temperature exceeding 50\u00b0C"},{"feature":"High strength compared to austenitic and 22%Cr duplex stainless steels"},{"feature":"Excellent ductility and impact strength at both ambient and sub-zero temperatures"},{"feature":"High resistance to abrasion, erosion and cavitation erosion"},{"feature":"Excellent resistance to stress corrosion cracking in chloride containing environments"},{"feature":"Listed in NACE MR 0175 for sour service"},{"feature":"ASME Approval for Pressure Vessel application"}],"applications":[{"application":"Process industry components in nitric acid, dioxide, polypropylene & PVC production, caustic evaporators"},{"application":"Equipment handling organic & fatty acids"},{"application":"Marine industry and shipbuilding propellers, shafts, rudders, shaft seals, pumps, bolts, fasteners, valves, instrumentation"},{"application":"Oil and chemical tankers"},{"application":"Oil & Gas industry pumps, valves, pipe, vessels, wellhead equipment, subsea equipment"},{"application":"Pollution control systems, fans and pumps, wet scrubbers, incinerators, flue gas desulphurisation (FGD)"},{"application":"Pulp & paper industry components such as black liquor heater tubes, digester blow valves, rotary feed valves, I.D.fans, brownstock washers, precipitators, bleaching components"},{"application":"Food Industry applications including sugar cane centrifuges, corn and vegetable processing plant"},{"application":"Agrochemicals production such as fertilisers (based on wet phosphoric acid)"},{"application":"Sewage treatment, seawater cooling, desalination plants"}],"composition":{"ID":1091,"id":1091,"title":"Alloy 32760 Bar - 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{"product":[{"acf_fc_layout":"overview"},{"acf_fc_layout":"details","british_specifications":false,"european_specifications":[{"european":"1.4501"}],"united_states_specifications":[{"united_states":"ASTM A276\/A476"},{"united_states":"UNS S32760 (Super Duplex 32760)"},{"united_states":"ASME A182   F55"}],"description":"Alloy 32760 is a super duplex stainless steel supplied in the hot worked and solution annealed condition. As a super duplex stainless steel, it combines the desirable aspects of both austenitic and ferritic grades. 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When submerged in seawater and other bodies of liquid containing\u00a0chloride, it also provides outstanding resistance to pitting and crevice corrosion, with a critical pitting temperature exceeding 50\u00b0C.\nExcellent ductility and impact strength at both ambient and sub-zero temperatures combine with a high resistance to abrasion, erosion and cavitation erosion.\n","short_description":"Ferralium\u00ae 255 \u2013 3SC is a super duplex stainless steel supplied in cast form. 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