X1CrNi25-21 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X1CrNi25-21

DIN X1CrNi25-21

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This page is mainly introduced the X1CrNi25-21 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X1CrNi25-21,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Flat products made of steels for pressure purposes - Part 7: Stainless steels
  • Steel Garde:X1CrNi25-21
  • Type:Stainless Steels
  • Country:Germany
  • Standard:DIN
  • Standard Number:
    ITEM Standard Number Descriptions
    1 DIN EN 10028-7 Flat products made of steels for pressure purposes - Part 7: Stainless steels
    2 DIN EN 10088-1 Stainless steels - Part 1: List of stainless steels
    3 DIN EN 10088-2 Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes
    4 DIN 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 DIN EN 10088-4 Stainless steels - Part 4: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes
    6 DIN EN 10216-5 (2004) Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 5: Stainless steel tubes
    7 DIN EN 10253-3 Butt-welding pipe fittings - Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements
    8 DIN EN 10253-4 Butt-welding pipe fittings - Part 4: Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements
    9 DIN EN 10297-2 (2005) Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
  • Application:Flat products made of steels for pressure purposes - Part 7: Stainless steels

Cross Reference Table(Equivalent Materials):

Material Standard Country
1.4335 DIN Germany
X1CrNi25-21 AFNOR France
1.4335 AFNOR France

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.05
Si   0.70
Mn   1.50
P   0.040
S   0.015
Cr 12.0  14.0
Mo 0.30  0.70
Ni 3.50  4.50
N   0.020

Mechanical Properties

Tensile strength 248~005 σb/MPa
Yield Strength 001 σ 0.2 ≥/MPa
Elongation 27 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 149~060 -
HRC 30 -

Physical Properties

Thermal expansion 29-91 e-6/K
Thermal conductivity 63-18 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6876-6325 째C
Density 6405-7661 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)
X1CrNi25-21 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