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1.2880 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.2880

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DIN 1.2880

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This page is mainly introduced the 1.2880 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.2880,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
High alloyed CrCoMo steel

Steel Garde:1.2880
Type:Tool Die Steels
Country:Germany
Standard:DIN
Application:High alloyed CrCoMo steel

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	1.55	1.75
Si	0.25	0.40
Mn	0.20	0.40
P		0.035
S		0.035
Cr	11.00	12.00
Mo	0.50	0.60
V
Co	1.20	1.40

Mechanical Properties

Tensile strength	202～081	σb/MPa
Yield Strength	109	σ 0.2 ≥/MPa
Elongation	57	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	634～484	-
HRC	30	-

Physical Properties

Thermal expansion	93-76	e-6/K
Thermal conductivity	81-59	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7270-4042	째C
Density	8448-5980	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)
1.2880 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