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9Cr18Mo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 9Cr18Mo

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GBT 9Cr18Mo

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This page is mainly introduced the 9Cr18Mo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 9Cr18Mo,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
9Cr18Mo

Steel Garde:9Cr18Mo
Type:Special Alloy
Country:China
Standard:GBT
Application:Martensitic Steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
(G)9Cr18Mo	GBT	China
9Cr18MoV	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	658～717	σb/MPa
Yield Strength	882	σ 0.2 ≥/MPa
Elongation	61	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	454～127	-
HRC	30	-

Physical Properties

Thermal expansion	67-77	e-6/K
Thermal conductivity	24-78	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4913-8503	째C
Density	5106-6592	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)
9Cr18Mo Special Alloy	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