1.4410 stainless steel chemical composition

What is 1.4410 material?

1.4410 is a Super Duplex stainless steel, also known by its UNS number S32750 or ASTM F53, known for exceptional strength and superior corrosion resistance, especially against chloride stress corrosion cracking in aggressive environments like marine or chemical processing, due to its high chromium, molybdenum, and nitrogen content, offering properties better than standard duplex steels.

 

What is the equivalent grade of 1.4410?

1.4410 Super duplex stainless steel is the most widely used super duplex stainless steel grade. This grade is written as 1.4410 or X2CrNiMoN25-7-4 according to EN norm and it is written as UNS S32750 of SAF 2507 or F53 according to UNS norm. We can think that 1.4410 is a better version of 1.4462 duplex grade.

 

What is the chemical composition of 1.4410?

1.4410 is a super duplex stainless steel (like Alloy 2507/UNS S32750) known for high strength and corrosion resistance, primarily composed of ~25% Chromium, ~7% Nickel, ~4% Molybdenum, and ~0.27% Nitrogen, with Iron (Fe) as the base, plus controlled amounts of Carbon, Silicon, Manganese, Phosphorus, Sulfur, and Copper.

 

EN 1.4410 Stainless Steel Mechanical Properties

	Yield strength Rp0.2, MPa	Tensile strength Rm, MPa	Elongation [%]	Hardness [HB]	Impact, Charpy-V, -46ºC [J]
BAR	≥ 550	≥ 750	≥ 25	≤ 300	≥ 65
PLATE CR (COIL)	≥ 550	750 – 1000	≥ 25	≤ 310	≥ 45
PLATE HR (COIL)	≥ 550	750 – 1000	≥ 25	≤ 310	≥ 45
PLATE (QUARTO)	≥ 550	750 – 930	≥ 25	≤ 310	≥ 45

 

Duplex 1.4410 Hardness

Tensile	Yield	Elongation	Hardness
MPa min	MPa min	% min	Brinell max
795	550	15.25%	310

 

Processing Of Alloy 1.4410

Cold Working:1.4410 Duplex Stainless Steel can be cold worked to achieve desired shapes and sizes, although it requires more force compared to austenitic grades due to its higher strength.
Hot Working: Should be performed at temperatures between 950-1150°C. Post-process annealing is recommended to restore its optimal properties.
Welding: Can be welded using standard welding methods like GTAW (TIG), GMAW (MIG), and SAW. Post-weld heat treatment may be required to ensure corrosion resistance.

 

1.4410 VS. 1.4462 ：What's The Difference?

The main difference is that 1.4410 is a super duplex stainless steel, while 1.4462 is a standard duplex stainless steel. This means 1.4410 has higher levels of chromium (around 25% vs. 22%), nickel, and molybdenum, resulting in significantly better corrosion resistance and higher strength. Consequently, 1.4410 is used for more demanding environments, while 1.4462 offers a good balance of strength and corrosion resistance for more general use.

 

What is the difference between 1.4410 and 1.4401?

1.4410 is a super duplex stainless steel that, due to its higher chromium, molybdenum, and nitrogen content, exhibits significantly improved strength, pitting corrosion resistance, and stress corrosion cracking resistance, making it more suitable for harsh chemical/marine environments. In contrast, 1.4401 (316) is a standard austenitic stainless steel with good general corrosion resistance but lower mechanical properties, suitable for general purposes, but prone to stress corrosion cracking in chloride environments.

 

1.4410 Super Duplex Stainless Steel suppliers

At GNEE, 1.4410 Duplex Stainless Steel is available in various forms to meet diverse industrial needs:
Plates and Sheets (cold rolled and hot rolled)
Bars and Rods (round, square, hexagonal)
Tubes (seamless and welded)
Wires and Strips (for springs, fasteners, electrical applications)
Forgings and Custom Parts (according to drawings or specifications)
Testing and Documentation: Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, Destructive Testing Reports, Non-Destructive Testing Reports, PMI Test Reports, Visual Inspection Reports, Third-Party Inspection Reports, NABL Certified Laboratory Reports.
Packaging: Wooden crates, bubble wrap, steel strapping, or packaged according to customer requirements.

 

 

1.4410 Price/ Kg

1.4410 Material Price/ Kg	1.4410 Price in USD
1.4410 Plate price per kg	USD $ 4-5 /Kg
1.4410 Sheet price per kg	USD $ 4-6 /Kg
1.4410 Flange 3mm Price per piece (SO FLANGE)	USD $ 176
1.4410 Wire price per kg	USD $ 10-13 /Kg
Duplex 1.4410 Bar price per kg	USD $ 4-5 /Kg
1.4410 Pipe price per kg (Seamless)	USD $ 6-10 /Kg
1.4410 Tube price per kg	USD $ 11-15 /Kg

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