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1.2109 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.2109

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EN 1.2109

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This page is mainly introduced the 1.2109 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.2109,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Alloyed SiCr steel

Steel Garde:1.2109
Type:Tool Die Steels
Country:Germany
Standard:EN
Application:Alloyed SiCr steel

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	1.20	1.30
Si	1.05	1.25
Mn	0.60	0.80
P		0.035
S		0.035
Cr	1.10	1.30
Mo
V

Mechanical Properties

Tensile strength	574～719	σb/MPa
Yield Strength	375	σ 0.2 ≥/MPa
Elongation	98	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	931～002	-
HRC	30	-

Physical Properties

Thermal expansion	03-86	e-6/K
Thermal conductivity	54-31	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8840-8668	째C
Density	5306-8613	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)
1.2109 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