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S7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S7

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ASTM S7

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S7 Profile
S7 Chemical composition
S7 Mechanical Properties
S7 Physical Properties
S7 Heat treatment
S7 Size Availability
S7 Relevant products

Profile

This page is mainly introduced the S7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S7,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
S7

Steel Garde:S7
Type:Special Alloy
Country:USA
Standard:ASTM
Application:Alloy tool steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
S7-4-2-5	DIN	Germany
SKS7	JIS	Japan
SKS7M	JIS	Japan
HS7-6-3-12	AFNOR	France
HS7-6-3-12	AFNOR	France
STS7	KS	Korea
STS7	KS	Korea
S700MC	UNE	Spain
S700MC	UNE	Spain
EN FeS7B1FN	EN	Euronorm
EN S700MC	EN	Euronorm
EN 1CS75	EN	Euronorm
EN 2CS75	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	835～809	σb/MPa
Yield Strength	753	σ 0.2 ≥/MPa
Elongation	72	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	642～956	-
HRC	30	-

Physical Properties

Thermal expansion	42-02	e-6/K
Thermal conductivity	75-82	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7570-4594	째C
Density	5780-7296	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)
S7 Special Alloy	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