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1.1740 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.1740

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DIN 1.1740

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This page is mainly introduced the 1.1740 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.1740,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
High carbon steel

Steel Garde:1.1740
Type:Tool Die Steels
Country:Germany
Standard:DIN
Application:High carbon steel

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.55	0.65
Si	0.15	0.40
Mn	0.60	0.80
P		0.035
S		0.035

Mechanical Properties

Tensile strength	728～282	σb/MPa
Yield Strength	012	σ 0.2 ≥/MPa
Elongation	24	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	152～435	-
HRC	30	-

Physical Properties

Thermal expansion	86-96	e-6/K
Thermal conductivity	34-26	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0719-2198	째C
Density	0845-3074	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)
1.1740 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