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9CrSi5 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 9CrSi5

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DIN 9CrSi5

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This page is mainly introduced the 9CrSi5 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 9CrSi5,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Alloyed SiCr steel

Steel Garde:9CrSi5
Type:Tool Die Steels
Country:Germany
Standard:DIN
Application:Alloyed SiCr steel

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.85	0.95
Si	1.05	1.25
Mn	0.60	0.80
P		0.035
S		0.035
Cr	1.10	1.30

Mechanical Properties

Tensile strength	437～179	σb/MPa
Yield Strength	856	σ 0.2 ≥/MPa
Elongation	62	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	758～716	-
HRC	30	-

Physical Properties

Thermal expansion	74-71	e-6/K
Thermal conductivity	51-45	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1360-1291	째C
Density	7732-4730	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)
9CrSi5 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