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

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GBT (G)9Cr18Mo

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

Steel Garde:(G)9Cr18Mo
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	475～503	σb/MPa
Yield Strength	811	σ 0.2 ≥/MPa
Elongation	34	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	076～399	-
HRC	30	-

Physical Properties

Thermal expansion	95-50	e-6/K
Thermal conductivity	17-54	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2322-1863	째C
Density	0634-1246	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)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