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R04220 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of R04220

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AISI R04220

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This page is mainly introduced the R04220 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of R04220,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Niobium (columbium) RRR Grade

Steel Garde:R04220
Type:Stainless Steels
Country:USA
Standard:AISI
Metallographic Structure:Precipitation-Hardening
Application:Niobium (columbium) RRR Grade

Relevant products:

SS 422 / UNS S42200 / 616 Stock

422(UNS S42200, ...

422 Stainless Steel Round Bar

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 176 S42200	SAE	USA
A 565 S42200	SAE	USA
S42200	AISI	USA
S42201	AISI	USA
A 176 S42200	SAE	USA
A 565 S42200	SAE	USA
S42200	AISI	USA
HNV8	UNS	USA
422	YB	USA
422	YB	USA
422	YB	USA
422	YB	USA
422	YB	USA
422	UNS	USA
422 SS	UNS	USA
422M	UNS	USA
422M (Cast)	UNS	USA
4422	YB	USA
4422	YB	USA
4422	YB	USA
4422	YB	USA
4422	YB	USA
4422	UNS	USA
4422	UNS	USA
4422	UNS	USA
5642 Type 2	ASTM	USA
5642 Type 2	UNS	USA
A 1028 S42225	SAE	USA
A 1040 4422	SAE	USA
A 176 Type 422	SAE	USA
A 352 J42215	SAE	USA
A 519 4422	SAE	USA
A 572 Grade 42 Type 2	SAE	USA
A 743 J91422	SAE	USA
A 959 S42225	SAE	USA
A 982 S42225	SAE	USA
B 179 242.2	SAE	USA
B 179 A242.2	SAE	USA
B 422 C19002	SAE	USA
B 422 C19010	SAE	USA
B 422 C19015	SAE	USA
B 422 C19020	SAE	USA
B 422 C19025	SAE	USA
B 422 C63800	SAE	USA
B 422 C64725	SAE	USA
B 422 C70250	SAE	USA
B 422 C70260	SAE	USA
B 422 C70265	SAE	USA
B 422 C70310	SAE	USA
B 591 C42200	SAE	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）	Similar	Remarks
C		0.22
Si		0.40
Mn		0.75
P
S
Ni		0.75
Cr		12.50
Al
Cu
Ti
Fe		remaining
N
Mo		1.00
W		1.00
V		0.22

Mechanical Properties

Tensile strength	310～145	σb/MPa
Yield Strength	465	σ 0.2 ≥/MPa
Elongation	57	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	318～485	-
HRC	30	-

Physical Properties

Thermal expansion	49-48	e-6/K
Thermal conductivity	25-11	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1162-8976	째C
Density	5381-5522	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)
R04220 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