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115W8 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 115W8

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DIN 115W8

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This page is mainly introduced the 115W8 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 115W8,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Alloyed W steel

Steel Garde:115W8
Type:Tool Die Steels
Country:Germany
Standard:DIN
Application:Alloyed W steel

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	1.10	1.20
Si	0.15	0.30
Mn	0.20	0.40
P		0.035
S		0.035
Cr	0.15	0.25
Mo
V
W	1.80	2.10

Mechanical Properties

Tensile strength	232～632	σb/MPa
Yield Strength	337	σ 0.2 ≥/MPa
Elongation	76	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	442～892	-
HRC	30	-

Physical Properties

Thermal expansion	05-53	e-6/K
Thermal conductivity	50-76	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4609-9071	째C
Density	9726-4810	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)
115W8 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