1.4109 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4109

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B.S. 1.4109

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This page is mainly introduced the 1.4109 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4109,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
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
  • Steel Garde:1.4109
  • Type:Stainless Steels
  • Country:UK
  • Standard:B.S.
  • Standard Number:
    ITEM Standard Number Descriptions
    1 BS EN 10088-1 Stainless steels - Part 1: List of stainless steels
    2 BS 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
  • Metallographic Structure:Martensite
  • Application: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

Cross Reference Table(Equivalent Materials):

Material Standard Country
X70CrMo15 AWS Germany
1.4109 AWS Germany
X70CrMo15 B.S. UK

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.65  0.75
Si   0.70
Mn   1.00
P   0.04
S   0.015
Cr 14.00  16.00
Ni  
Mo 0.40  0.80

Mechanical Properties

Tensile strength 683~763 σb/MPa
Yield Strength 200 σ 0.2 ≥/MPa
Elongation 42 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 896~956 -
HRC 30 -

Physical Properties

Thermal expansion 66-49 e-6/K
Thermal conductivity 04-18 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7595-0589 째C
Density 6603-5160 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)
1.4109 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