1.4501, 1.4410, S32760, S32750, X2CrNiMoN25-7-4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4501, 1.4410, S32760, S32750, X2CrNiMoN25-7-4

AFNOR 1.4501, 1.4410, S32760, S32750, X2CrNiMoN25-7-4

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This page is mainly introduced the 1.4501, 1.4410, S32760, S32750, X2CrNiMoN25-7-4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4501, 1.4410, S32760, S32750, X2CrNiMoN25-7-4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel

Super Duplex steels also find applications in the chemical, paper, cryogenic and power industries for parts and subassemblies such as pumps, shafts, bushes, aerial constructions, heat exchangers, coolers, chemical transport pipelines, special tanks, valves, snd screws.

  • Steel Garde:1.4501, 1.4410, S32760, S32750, X2CrNiMoN25-7-4
  • Type:Stainless Steels
  • Country:France
  • Standard:AFNOR
  • Standard Number:
    ITEM Standard Number Descriptions
    1 NF EN 10028-7 Flat products made of steels for pressure purposes - Part 7: Stainless steels
    2 NF EN 10088-1 Stainless steels - Part 1: List of stainless steels
    3 NF EN 10088-2 Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes
    4 NF EN 10088-3 Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes
    5 NF EN 10088-4 Stainless steels - Part 4: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes
    6 NF EN 10088-5 Stainless steels - Part 5: Technical delivery conditions for bars, rods, wire, sections and bright products of corrosion resisting steels for construction purposes
    7 NF EN 10216-5 (2004) Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 5: Stainless steel tubes
    8 NF EN 10217-7 Welded steel tubes for pressure purposes - Technical delivery conditions - Part 7: Stainless steel tubes
    9 NF EN 10222-5 Steel forgings for pressure purposes - Part 5: Martensitic, austenitic and austenitic-ferritic stainless steels
    10 NF EN 10250-4 Open die steel forgings for general engineering purposes - Part 4: Stainless steels
    11 NF EN 10253-3 Butt-welding pipe fittings - Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements
    12 NF EN 10253-4 Butt-welding pipe fittings - Part 4: Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements
    13 NF EN 10272 Stainless steel bars for pressure purposes
    14 NF EN 10296-2 (2005) Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
    15 NF EN 10297-2 (2005) Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
  • Metallographic Structure:Austenitic-Ferritic(Duplex steel)
  • Application:Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.030
Si   1.00
Mn   2.00
P   0.035
S   0.015
Cr 24.00  26.00
Mo 3.00  4.50
Ni 6.00  8.00
N 0.20  0.35

Mechanical Properties

Tensile strength 410~986 σb/MPa
Yield Strength 338 σ 0.2 ≥/MPa
Elongation 14 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 878~664 -
HRC 30 -

Physical Properties

Thermal expansion 25-09 e-6/K
Thermal conductivity 90-31 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2947-4792 째C
Density 5207-6008 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

Size Availability

Steel Grade Specification Processing range(mm)
1.4501, 1.4410, S32760, S32750, X2CrNiMoN25-7-4 Stainless Steels Round Bar and Hollow Bar Φ1 to Φ2000
Square and Flat Steel Φ10 to Φ100
Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
Coil and Strip Steel THK:0.1mm Width:1500mm
Forged Ring/Cylindrical/Disk

Technical specification/standard for download

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