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C-7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of C-7

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AISI C-7

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This page is mainly introduced the C-7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of C-7,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
C-7

Density / (g/cm ^ 3) : 11.1-12.7

Hardness HRA: 91.6 ~ 93.0

Bending strength/MPa: 1205 ~ 1550

Use for example: used for heavy cutting steel light processing

Steel Garde:C-7
Type:Special Alloy
Country:USA
Standard:AISI
Application:Machining with carbide

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
C-7A	AISI	USA
C-75	STAS/SR	Romania

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	411～186	σb/MPa
Yield Strength	305	σ 0.2 ≥/MPa
Elongation	82	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	601～965	-
HRC	30	-

Physical Properties

Thermal expansion	23-20	e-6/K
Thermal conductivity	48-11	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0913-4322	째C
Density	7073-6648	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)
C-7 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