S4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S4

Location » Home » Grades > Tool Die Steels > S4

ASTM S4

Profile

This page is mainly introduced the S4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Shock-Resisting Tool Steel

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.50  0.65
Si 1.75  2.25
Mn 0.60  0.95
P   0.030
S   0.030
Cr 0.10  0.50
Mo  
V 0.15  0.35
W  
Ni+Cu   0.75

Mechanical Properties

Tensile strength 565~708 σb/MPa
Yield Strength 001 σ 0.2 ≥/MPa
Elongation 12 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 069~628 -
HRC 30 -

Physical Properties

Thermal expansion 63-94 e-6/K
Thermal conductivity 95-72 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1493-9865 째C
Density 7954-1701 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)
S4 Tool Die 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

Hot keywords:S4
Previous: T41904
Next: T41905