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120W4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 120W4

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DIN 120W4

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This page is mainly introduced the 120W4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 120W4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Alloyed W steel

Steel Garde:120W4
Type:Tool Die Steels
Country:Germany
Standard:DIN
Application:Alloyed W steel

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	1.15	1.25
Si	0.15	0.30
Mn	0.20	0.35
P		0.035
S		0.035
Cr	0.15	0.25
Mo
V
W	0.90	1.10

Mechanical Properties

Tensile strength	129～885	σb/MPa
Yield Strength	662	σ 0.2 ≥/MPa
Elongation	57	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	857～525	-
HRC	30	-

Physical Properties

Thermal expansion	49-96	e-6/K
Thermal conductivity	65-39	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8003-5368	째C
Density	6096-2774	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)
120W4 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