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1.2842 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.2842

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DIN 1.2842

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This page is mainly introduced the 1.2842 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.2842,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Tool steels (ISO 4957:1999)

Steel Garde:1.2842
Type:Tool Die Steels
Country:Germany
Standard:DIN

Standard Number:

ITEM	Standard Number	Descriptions
1	DIN 17350 (1980)	Tool Steels; Technical Conditions of Delivery
2	DIN EN ISO 4957 (1999)	Tool steels (ISO 4957:1999)

Application:Tool steels (ISO 4957:1999)

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.85	0.95
Si	0.10	0.40
Mn	1.90	2.10
P		0.030
S		0.030
Cr	0.20	0.50
Mo
V	0.05	0.15

Mechanical Properties

Tensile strength	497～449	σb/MPa
Yield Strength	324	σ 0.2 ≥/MPa
Elongation	58	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	236～389	-
HRC	30	-

Physical Properties

Thermal expansion	50-69	e-6/K
Thermal conductivity	61-88	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5041-7618	째C
Density	8206-2661	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)
1.2842 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