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K21650 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of K21650

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AISI K21650

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This page is mainly introduced the K21650 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of K21650,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Alloy steel casting

Steel Garde:K21650
Type:Stainless Steels
Country:USA
Standard:AISI
Metallographic Structure:Precipitation-Hardening
Application:Alloy steel casting

Relevant products:

S32168/321/S32100/1-4541 Tube

S32169/321H/S32109/1-4940 Tube

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
216	YB	USA
SA-479 Type XM-17	AMS	USA
A 240 Type XM-17	UNS	USA
A 479 XM-17	SAE	USA
A 492 Type XM-17	SAE	USA
A 959 Type XM-17	SAE	USA
S21600	AISI	USA
216L	YB	USA
S21603	AISI	USA
A 240 S21600	SAE	USA
A 492 S21600	SAE	USA
S21600	AISI	USA
SA-240 S21600	AMS	USA
A 240 S21603	SAE	USA
A 492 S21603	SAE	USA
S21603	AISI	USA
SA-240 S21603	AMS	USA
A 216 Grade WCA	SAE	USA
A 216 Grade WCB	SAE	USA
A 216 Grade WCC	SAE	USA
A 506 G15216	SAE	USA
A 507 G15216	SAE	USA
B 216 DPTE	SAE	USA
B 216 FRTP	SAE	USA
B 435 N12160	SAE	USA
B 472 N12160	SAE	USA
B 564 N12160	SAE	USA
B 572 N12160	SAE	USA
B 619 N12160	SAE	USA
B 622 N12160	SAE	USA
B 626 N12160	SAE	USA
B 774 216-217	SAE	USA
B 862 Grade 16	SAE	USA
B 862 Grade 16H	SAE	USA
G15216	AISI	USA
J21610	AISI	USA
K21604	AISI	USA
N02216	AISI	USA
N12160	AISI	USA
SA-216 Grade WCA	AMS	USA
SA-216 Grade WCB	AMS	USA
SA-216 Grade WCC	AMS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Si		1.00
Mn	7.50	9.00
P
S
Ni	5.00	7.00
Cr	17.50	22.00
Al
Cu
Ti
Fe
N	0.25	0.50
Mo	2.00	3.00

Mechanical Properties

Tensile strength	907～454	σb/MPa
Yield Strength	245	σ 0.2 ≥/MPa
Elongation	04	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	304～722	-
HRC	30	-

Physical Properties

Thermal expansion	90-43	e-6/K
Thermal conductivity	94-57	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9752-3778	째C
Density	7937-9665	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)
K21650 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