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4419 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 4419

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YB 4419

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This page is mainly introduced the 4419 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 4419,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Former SAE Standard and Former SAE Ex-Steels

Steel Garde:4419
Type:Stainless Steels
Country:USA
Standard:YB
Standard Number:

ITEM Standard Number Descriptions

1 SAE J 1249 (2000) Former SAE Standard and Former SAE Ex-Steels
Metallographic Structure:Precipitation-Hardening
Application:Former SAE Standard and Former SAE Ex-Steels

ITEM	Standard Number	Descriptions
1	SAE J 1249 (2000)	Former SAE Standard and Former SAE Ex-Steels

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
4419	YB	USA
4419	YB	USA
4419	UNS	USA
H44190	AISI	USA
K41910	AISI	USA
W84190	AISI	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）	Similar	Remarks
C		0.25
Si		0.30
Mn		1.00
P
S
Ni		0.50
Cr		11.50
Al
Cu
Ti
Fe		remaining
N
Mo		0.50
W		0.25
V		0.40

Mechanical Properties

Tensile strength	208～512	σb/MPa
Yield Strength	458	σ 0.2 ≥/MPa
Elongation	25	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	490～125	-
HRC	30	-

Physical Properties

Thermal expansion	47-17	e-6/K
Thermal conductivity	47-95	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8158-8591	째C
Density	9970-1005	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)
4419 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