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9Cr18MoV chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 9Cr18MoV

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GB 9Cr18MoV

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This page is mainly introduced the 9Cr18MoV chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 9Cr18MoV,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
9Cr18MoV

Steel Garde:9Cr18MoV
Type:Stainless Steels
Country:China
Standard:GB
Standard Number:

ITEM Standard Number Descriptions

1 GB/T 1220 (1992) Stainless steel bars

2 GB/T 4356 (2002) Stainless steel wire rods
Metallographic Structure:Martensite
Application:Stainless steel bars

ITEM	Standard Number	Descriptions
1	GB/T 1220 (1992)	Stainless steel bars
2	GB/T 4356 (2002)	Stainless steel wire rods

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.85	0.95
Si		0.80
Mn		0.80
P		0.035
S		0.030
Ni		0.60
Cr	17.00	19.00
Mo	1.00	1.30
V	0.07	0.12

Mechanical Properties

Tensile strength	123～628	σb/MPa
Yield Strength	294	σ 0.2 ≥/MPa
Elongation	51	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	884～422	-
HRC	30	-

Physical Properties

Thermal expansion	32-75	e-6/K
Thermal conductivity	76-45	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8777-5978	째C
Density	3147-3771	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)
9Cr18MoV Stainless 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