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1.2369 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.2369

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DIN 1.2369

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This page is mainly introduced the 1.2369 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.2369,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Ball and Roller Bearing Steels; Technical Conditions of Delivery

Steel Garde:1.2369
Type:Tool Die Steels
Country:Germany
Standard:DIN
Standard Number:

ITEM Standard Number Descriptions

1 DIN 17230 (1980) Ball and Roller Bearing Steels; Technical Conditions of Delivery
Application:Ball and Roller Bearing Steels; Technical Conditions of Delivery

ITEM	Standard Number	Descriptions
1	DIN 17230 (1980)	Ball and Roller Bearing Steels; Technical Conditions of Delivery

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.77	1.85
Si		0.25
Mn		0.35
P
S
Cr	3.75	4.25
Mo	4.00	4.50
V	0.90	1.10

Mechanical Properties

Tensile strength	468～656	σb/MPa
Yield Strength	856	σ 0.2 ≥/MPa
Elongation	31	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	710～150	-
HRC	30	-

Physical Properties

Thermal expansion	61-40	e-6/K
Thermal conductivity	65-86	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8515-3558	째C
Density	4589-6260	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)
1.2369 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