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

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UNS HEVl

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

Steel Garde:HEVl
Type:Stainless Steels
Country:USA
Standard:UNS
Application:Steel for exhaust valves

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
R30155	AISI	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）	Similar	Remarks
C	0.10
Si	0.50
Mn	1.50
P
S
Cr	21.3
Ni	20.0
Mo	3.00

Mechanical Properties

Tensile strength	003～599	σb/MPa
Yield Strength	323	σ 0.2 ≥/MPa
Elongation	01	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	656～683	-
HRC	30	-

Physical Properties

Thermal expansion	37-16	e-6/K
Thermal conductivity	29-40	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3719-7474	째C
Density	5107-5794	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)
HEVl 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