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1.1744 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.1744

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DIN 1.1744

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This page is mainly introduced the 1.1744 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.1744,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
High carbon steel

Steel Garde:1.1744
Type:Tool Die Steels
Country:Germany
Standard:DIN
Application:High carbon steel

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.64	0.72
Si	0.15	0.40
Mn	0.60	0.80
P		0.035
S		0.035

Mechanical Properties

Tensile strength	720～780	σb/MPa
Yield Strength	410	σ 0.2 ≥/MPa
Elongation	57	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	429～450	-
HRC	30	-

Physical Properties

Thermal expansion	92-39	e-6/K
Thermal conductivity	96-12	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7009-8155	째C
Density	5480-0718	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)
1.1744 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