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

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ASTM S4

Catalog

S4 Profile
S4 Chemical composition
S4 Mechanical Properties
S4 Physical Properties
S4 Heat treatment
S4 Size Availability
S4 Relevant products

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

Steel Garde:S4
Type:Tool Die Steels
Country:USA
Standard:ASTM
Application:Shock-Resisting Tool Steel

Relevant products:

403(UNS S40300) ...

422(UNS S42200, ...

Stainless Steel ...

422 Stainless Steel Round Bar

403Cb Stainless ...

410 Stainless Steel Flat bars

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
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	725～777	σb/MPa
Yield Strength	665	σ 0.2 ≥/MPa
Elongation	78	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	210～569	-
HRC	30	-

Physical Properties

Thermal expansion	36-52	e-6/K
Thermal conductivity	64-86	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2907-5872	째C
Density	0882-1495	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