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140Cr3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 140Cr3

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DIN 140Cr3

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This page is mainly introduced the 140Cr3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 140Cr3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Low alloyed Cr steel

Steel Garde:140Cr3
Type:Tool Die Steels
Country:Germany
Standard:DIN
Application:Low alloyed Cr steel

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	1.35	1.50
Si	0.15	0.30
Mn	0.25	0.40
P		0.035
S		0.035
Cr	0.40	0.70
Mo
V

Mechanical Properties

Tensile strength	651～501	σb/MPa
Yield Strength	238	σ 0.2 ≥/MPa
Elongation	99	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	277～644	-
HRC	30	-

Physical Properties

Thermal expansion	35-18	e-6/K
Thermal conductivity	73-92	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7044-4932	째C
Density	8936-5497	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)
140Cr3 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