1.4028 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4028

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AFNOR 1.4028

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This page is mainly introduced the 1.4028 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4028,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Open die steel forgings for general engineering purposes - Part 4: Stainless steels
  • Steel Garde:1.4028
  • Type:Stainless Steels
  • Country:France
  • Standard:AFNOR
  • Standard Number:
    ITEM Standard Number Descriptions
    1 NF EN 10088-1 Stainless steels - Part 1: List of stainless steels
    2 NF EN 10088-2 Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes
    3 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
    4 NF EN 10151 Stainless steel strip for springs - Technical delivery conditions
    5 NF EN 10250-4 Open die steel forgings for general engineering purposes - Part 4: Stainless steels
  • Metallographic Structure:Martensite
  • Application:Open die steel forgings for general engineering purposes - Part 4: Stainless steels

Cross Reference Table(Equivalent Materials):

Material Standard Country
X30Cr13 AWS Germany
1.4028 AWS Germany
X30Cr13 B.S. UK
1.4028 B.S. UK
X30Cr13 AFNOR France
X30Cr13 ISO International

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.26  0.35
Si   1.00
Mn   1.50
P   0.040
S   0.015
Cr 12.00  14.00
Mo  
Ni  

Mechanical Properties

Tensile strength 798~942 σb/MPa
Yield Strength 884 σ 0.2 ≥/MPa
Elongation 58 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 855~041 -
HRC 30 -

Physical Properties

Thermal expansion 17-42 e-6/K
Thermal conductivity 91-52 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6698-8524 째C
Density 5413-3997 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)
1.4028 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