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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	882～454	σb/MPa
Yield Strength	744	σ 0.2 ≥/MPa
Elongation	73	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	456～194	-
HRC	30	-

Physical Properties

Thermal expansion	68-23	e-6/K
Thermal conductivity	48-39	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5621-3461	째C
Density	3200-9110	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