1.5680 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.5680

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AFNOR 1.5680

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This page is mainly introduced the 1.5680 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.5680,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
  • Steel Garde:1.5680
  • Type:Stainless Steels
  • Country:France
  • Standard:AFNOR
  • Standard Number:
    ITEM Standard Number Descriptions
    1 NF EN 10028-4 Flat products made of steels for pressure purposes - Part 4: Nickel alloy steels with specified low temperature properties
    2 NF EN 10216-4 Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 4: Non-alloy and alloy steel tubes with specified low temperature properties
    3 NF EN 10222-3 Steel forgings for pressure purposes - Part 3: Nickel steels with specified low temperature properties
    4 NF EN 10269 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
  • Application:Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

Cross Reference Table(Equivalent Materials):

Material Standard Country
X12Ni5 AFNOR France

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.15
Si   0.35
Mn 0.30  0.80
P   0.020
S   0.010
Cr  
Ni 4.75  5.25
Mo  
V   0.05

Mechanical Properties

Tensile strength 805~948 σb/MPa
Yield Strength 316 σ 0.2 ≥/MPa
Elongation 48 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 912~295 -
HRC 30 -

Physical Properties

Thermal expansion 68-96 e-6/K
Thermal conductivity 92-31 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3853-9003 째C
Density 3838-6034 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)
1.5680 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