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R20501 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of R20501

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AISI R20501

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This page is mainly introduced the R20501 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of R20501,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Cr-Ni-Nb Casting alloy

Steel Garde:R20501
Type:Stainless Steels
Country:USA
Standard:AISI
Metallographic Structure:Precipitation-Hardening
Application:Cr-Ni-Nb Casting alloy

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 403 CR20CB	SAE	USA
B 275 GR20A	SAE	USA
B 275 GR20B	SAE	USA
B 344 Ni35-Cr20	SAE	USA
B 344 Ni80-Cr20	SAE	USA
B 564 R20033	SAE	USA
B 619 R20033	SAE	USA
B 622 R20033	SAE	USA
B 625 R20033	SAE	USA
B 626 R20033	SAE	USA
B 649 R20033	SAE	USA
ER 209	AMS	USA
ER 209	AMS	USA
HARPER 200	UNS	USA
NiFe 25 Cr 20 NbTi	UNS	USA
R20033	AISI	USA
R20500	AISI	USA
R-206.0	AMS	USA
R-206.0	AWS	USA
R20600	UNS	USA
R20990	UNS	USA
R20994	UNS	USA
SB-564 R20033	ASME	USA
SB-619 R20033	ASME	USA
SB-622 R20033	ASME	USA
SB-625 R20033	ASME	USA
SB-626 R20033	ASME	USA
SB-649 R20033	ASME	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）	Similar	Remarks
C		0.12
Si		0.30
Mn		0.80
Cr		19.00
Ni		14.00
Mo
Co
W
Al
Cu
Ti
Fe		remaining
Nb		1.60

Mechanical Properties

Tensile strength	797～578	σb/MPa
Yield Strength	727	σ 0.2 ≥/MPa
Elongation	21	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	624～352	-
HRC	30	-

Physical Properties

Thermal expansion	12-03	e-6/K
Thermal conductivity	50-74	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4885-9208	째C
Density	6328-4319	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)
R20501 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