By using 1.4410 (UNS S32750 – F53 – 2507) you get a stainless super duplex steel that has extremely high resistance to various types of corrosion. It has good weldability and can be welded by several methods. The steel is widely used e.g. for propeller shafts, pump parts and piston rods.
The steel grade 1.4410 ( also called UNS S32750 , F53 and 2507) is a superduplex stainless steel characterized by higher contents of chrome, molybdenium and nickel than standard duplex steels, resulting in increased corrosion resistance. These steels were developed for applications in aggressive chloride environments. They also have high mechanical strength and low thermal expansion due to the duplex structure.
Some typical application areas for 1.4410 are:
It has good weldability and can be welded by using most of the welding methods used for austenitic stainless steels. You shall use ISO 25 9 4 NL or something similar as filler metal when you weld. The steel can be both cold and hot formed. It is more difficult to machine than common austenitic steel. Machining shall be performed with high-speed tools.
The steelworks has certificates as an approved material supplier of this steel grade from DNV and Lloyd’s. 1.4410 is also an approved material according to NACE MR0175 which is an American standard within the oil- and gas industry.
Steel grade 1.4410 is available as machined round bar in dimensions 20 – 200 mm.
If there is something you miss or wonder about you can always contact us to discuss your needs.
1.4410 / S32750 / F53 / X2CrNiMoN25-7-4
Stainless steel 1.4410 / S32750 / F53 Acier Inoxydable
Rustfrit steel Acciai Inossidabli
Rostfrit steel Acero Inoxidable
|W.Nr. 1.4410||AISI F53||SIS 2328|
|UNS S32750||AFNOR Z3CND25.07Az||JIS|
C max 0,03 Cr 24,0 - 26,0 Mo 3,0 - 4,5 Ni 6,0 - 8,0 N 0,24 - 0,35
1.4410 - UNS s32750 - F53 is a corrosion resistant austenitic-ferritic SuperDuplex steel for applications where conventional Duplex grades do not meet the corrosion requirements. 1.4410 is characterised by very good resistance in chloride containing media. As a result of its higher Chromium and Molybdenum content, 1.4410 reached Pren contents between 38-46. Areas of application for 1.4410 are : Chemical industry - desalination plants - petrochemical - on-/offshore industry etc.
SuperDuplex 1.4410 - UNS S32750 - F53 Round bar hotrolled / forged, peeled / turned acc. DIN EN 10060 ( formerly DIN 1013 ), long 4-6 mtr
|Ø 15,88 mm||Ø 38,10 mm||Ø 70,00 mm||Ø 110,00 mm||Ø 150,00 mm||Ø 190,50 mm||Ø 279,40 mm|
|Ø 20,00 mm||Ø 40,00 mm||Ø 75,00 mm||Ø 114,30 mm||Ø 152,40 mm||Ø 200,00 mm||Ø 292,10 mm|
|Ø 22,22 mm||Ø 42,00 mm||Ø 76,20 mm||Ø 120,00 mm||Ø 158,75 mm||Ø 203,20 mm||Ø 304,80 mm|
|Ø 25,00 mm||Ø 44,45 mm||Ø 80,00 mm||Ø 120,65 mm||Ø 160,00 mm||Ø 215,90 mm||Ø 324,00 mm|
|Ø 25,40 mm||Ø 50,00 mm||Ø 82,55 mm||Ø 125,00 mm||Ø 165,10 mm||Ø 220,00 mm||Ø 325,00 mm|
|Ø 28,57 mm||Ø 50,80 mm||Ø 88,90 mm||Ø 127,00 mm||Ø 170,00 mm||Ø 225,00 mm||Ø 330,20 mm|
|Ø 30,00 mm||Ø 57,15 mm||Ø 95,25 mm||Ø 130,00 mm||Ø 177,80 mm||Ø 228,60 mm||Ø 355,60 mm|
|Ø 31,75 mm||Ø 60,00 mm||Ø 100,00 mm||Ø 133,35 mm||Ø 180,00 mm||Ø 241,30 mm||Ø 381,00 mm|
|Ø 34,92 mm||Ø 63,50 mm||Ø 101,60 mm||Ø 139,70 mm||Ø 184,15 mm||Ø 250,00 mm||Ø 405,00 mm|
|Ø 35,00 mm||Ø 69,85 mm||Ø 107,95 mm||Ø 140,00 mm||Ø 190,00 mm||Ø 254,00 mm||Ø 406,40 mm|
SuperDuplex 1.4410 - UNS S32750 - F53 Forgings
Forgings acc. to drawings, bars, discs and rings on request.
SuperDuplex 1.4410 - UNS S32750 - F53 Hollow bars
From round bars turned and drilled on request.
SuperDuplex 1.4410 - UNS S32750 - F53 seamless pipe ASTM/ASME A/SA 789/790 EN 10216-5 NACE MR 0175
Sizes on request.
SuperDuplex 1.4410 - UNS S32750 - F53 pipe fittings / elbows / flanges
Sizes on request.
SuperDuplex 1.4410 - UNS S32750 - F53 Sheets/Plates hotrolled Finish 1
Thickness 3 mm - 80 mm
Width 1000 / 1250 / 1500 / 2000 / 2500 mm
Length 2000 / 2500 / 3000 / 6000 tot max. 15000 mm
1.4410 - UNS S32750 - F53 sheets / plates plasma cutting / water-jet cutting / laser-cutting / sawn cuttings
Certificates: EN 10204 / 3.1
Super Duplex UNS S32750 is the most common super duplex grade in the market. UNS S32750 is a duplex stainless steel especially designed for service in aggressive chloride-containing environments. It has very good resistance to localized corrosion and stress corrosion cracking in combination with high mechanical strength. It is widely used in oil & gas, hydropower, pressure vessels, pulp & paper, structural components and chemical tankers.
The main applications are for details with special requirements for high corrosion resistance.
UNS S32750 is characterized by:
• High resistance to stress corrosion cracking in halide containing environments.
• High resistance to pitting and crevice corrosion.
• High resistance to general corrosion.
• High mechanical strength.
• High resistance to erosion corrosion and corrosion fatigue.
|YIELD STRENGTH |
|TENSILE STRENGTH |
|BAR||≥ 550||≥ 750||≥ 25||≥ 270||≥ 45||≥ 40|
|PLATE CR||≥ 550||750 – 1000||≥ 25||≥ 45||≥ 40|
|PLATE HR||≥ 550||750 – 930||≥ 25||≥ 45||≥ 40|
Solution annealing at 1100°C followed by water quenching.
|16 MM||1.7||130 MM||106|
|20 MM||2.5||140 MM||123|
|25 MM||3.9||150 MM||141|
|30 MM||5.7||160 MM||161|
|35 MM||7.7||170 MM||182|
|40 MM||10.1||180 MM||204|
|45 MM||12.8||200 MM||251|
|50 MM||15.8||225 MM||319|
|60 MM||22.6||250 MM||385|
|70 MM||30.8||280 MM||494|
|80 MM||40.2||300 MM||566|
|90 MM||50.9||330 MM||686|
|100 MM||62.9||350 MM||780|
|110 MM||76.1||380 MM||910|
|120 MM||90.5||406,4 MM||1040|
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