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9Cr18 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 9Cr18

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GBT 9Cr18

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This page is mainly introduced the 9Cr18 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 9Cr18,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
9Cr18

Steel Garde:9Cr18
Type:Special Alloy
Country:China
Standard:GBT
Application:Martensitic Steel

Relevant products:

X105CrMo17 Extruded Pipe

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
(G)9Cr18	GBT	China
(G)9Cr18Mo	GBT	China
9Cr18Mo	GBT	China
9Cr18MoV	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	397～975	σb/MPa
Yield Strength	061	σ 0.2 ≥/MPa
Elongation	10	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	813～128	-
HRC	30	-

Physical Properties

Thermal expansion	84-46	e-6/K
Thermal conductivity	21-47	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7640-7249	째C
Density	7346-8771	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)
9Cr18 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