Grade 1300 M chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Grade 1300 M

UNS Grade 1300 M

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This page is mainly introduced the Grade 1300 M chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Grade 1300 M,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Categorization and properties of dent resistant, high strength, and ultra high strength automotive sheet steel
  • Steel Garde:Grade 1300 M
  • Type:Stainless Steels
  • Country:USA
  • Standard:UNS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 SAE J 2340 (1999) Categorization and properties of dent resistant, high strength, and ultra high strength automotive sheet steel
  • Metallographic Structure:Precipitation-Hardening
  • Application:Categorization and properties of dent resistant, high strength, and ultra high strength automotive sheet steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
300M UNS USA
A 646 Grade 300M SAE USA

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.40
Si   1.60
Mn   0.75
P  
S  
Ni   0.40
Cr   1.85
Al  
Cu  
Ti  
Fe   remaining
N  
Mo  
V   0.08

Mechanical Properties

Tensile strength 342~736 σb/MPa
Yield Strength 360 σ 0.2 ≥/MPa
Elongation 90 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 733~265 -
HRC 30 -

Physical Properties

Thermal expansion 81-98 e-6/K
Thermal conductivity 49-58 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1991-2899 째C
Density 0785-4511 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)
Grade 1300 M 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