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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.
Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for

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

ITEM Standard Number Descriptions

1 A 29/A 29M (2012) Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for
Metallographic Structure:Precipitation-Hardening
Application:Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for

ITEM	Standard Number	Descriptions
1	A 29/A 29M (2012)	Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for

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	678～628	σb/MPa
Yield Strength	234	σ 0.2 ≥/MPa
Elongation	86	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	649～336	-
HRC	30	-

Physical Properties

Thermal expansion	24-56	e-6/K
Thermal conductivity	79-54	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2861-9267	째C
Density	7467-5723	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