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ISO X45CrSi9 3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO X45CrSi9 3

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ISO ISO X45CrSi9 3

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This page is mainly introduced the ISO X45CrSi9 3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO X45CrSi9 3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ISO standard valve martensite steel

Steel Garde:ISO X45CrSi9 3
Type:Special Alloy
Country:ISO
Standard:ISO
Application:ISO standard valve martensite steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
X45CrSi9-3	AFNOR	France
EN X45CrSi9-3	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	321～974	σb/MPa
Yield Strength	432	σ 0.2 ≥/MPa
Elongation	96	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	681～777	-
HRC	30	-

Physical Properties

Thermal expansion	77-37	e-6/K
Thermal conductivity	52-99	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3482-2444	째C
Density	5378-0797	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)
ISO X45CrSi9 3 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