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4Cr14Ni14W2Mo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 4Cr14Ni14W2Mo

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GB 4Cr14Ni14W2Mo

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This page is mainly introduced the 4Cr14Ni14W2Mo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 4Cr14Ni14W2Mo,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
4Cr14Ni14W2Mo

Steel Garde:4Cr14Ni14W2Mo
Type:Stainless Steels
Country:China
Standard:GB

Standard Number:

ITEM	Standard Number	Descriptions
1	GB/T 1221 (1992)	Heat-resisting steel bars
2	GB/T 12773 (1991)	Valve steel bars for internal combustion engines - Technical requirements
3	GB/T 4356 (1984)	Stainless steel wire rods

Metallographic Structure:Austenite
Application:Heat-resisting steel bars

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.40	0.50
Si		0.80
Mn		0.70
P		0.35
S		0.03
Ni	13.00	15.00
Cr	13.00	15.00
Mo	0.25	0.40
W	2.00	2.75

Mechanical Properties

Tensile strength	363～628	σb/MPa
Yield Strength	813	σ 0.2 ≥/MPa
Elongation	15	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	152～167	-
HRC	30	-

Physical Properties

Thermal expansion	32-69	e-6/K
Thermal conductivity	83-84	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7221-5300	째C
Density	4862-8442	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)
4Cr14Ni14W2Mo 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