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R30155 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of R30155

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AISI R30155

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This page is mainly introduced the R30155 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of R30155,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:R30155
Type:Stainless Steels
Country:USA
Standard:AISI
Application:Steel for exhaust valves

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
HEVl	UNS	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	248～709	σb/MPa
Yield Strength	470	σ 0.2 ≥/MPa
Elongation	70	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	070～838	-
HRC	30	-

Physical Properties

Thermal expansion	63-12	e-6/K
Thermal conductivity	92-76	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4809-1908	째C
Density	6236-1719	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)
R30155 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