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

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GBT (G)9Cr18

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

Steel Garde:(G)9Cr18
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
(G)9Cr18Mo	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	076～383	σb/MPa
Yield Strength	067	σ 0.2 ≥/MPa
Elongation	78	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	546～992	-
HRC	30	-

Physical Properties

Thermal expansion	50-82	e-6/K
Thermal conductivity	39-36	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7504-0678	째C
Density	8314-5934	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)
(G)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