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O2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of O2

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ASTM O2

Catalog

O2 Profile
O2 Chemical composition
O2 Mechanical Properties
O2 Physical Properties
O2 Heat treatment
O2 Size Availability
O2 Relevant products

Profile

This page is mainly introduced the O2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of O2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Oil-Hardening Tool Steel

Steel Garde:O2
Type:Tool Die Steels
Country:USA
Standard:ASTM
Application:Oil-Hardening Tool Steel

Relevant products:

1Cr12Ni3Mo2VN/J2 Hot Forged Bar

0Cr13Ni8Mo2Al, PH...

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.85	0.95
Si		0.50
Mn	1.40	1.80
P		0.030
S		0.030
Cr		0.50
Mo		0.30
V		0.30
W
Ni＋Cu		0.75

Mechanical Properties

Tensile strength	082～829	σb/MPa
Yield Strength	747	σ 0.2 ≥/MPa
Elongation	51	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	947～892	-
HRC	30	-

Physical Properties

Thermal expansion	36-68	e-6/K
Thermal conductivity	87-47	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4207-1029	째C
Density	4117-4465	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)
O2 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