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YB 4419 Details

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4419 Application:Former SAE Standard and Former SAE Ex-Steels

Category Type Grade Microstructure Designations
Grades Stainless Steels 4419 Precipitation-Hardening USA - YB , SAE J 1249 (2000) - Former SAE Standard and Former SAE Ex-Steels

Chemical composition(wt.%) of 4419 grade: SAE J 1249 (2000)

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
Former SAE Standard and Former SAE Ex-Steels

Mechanical properties of grade 4419 SAE J 1249 (2000)

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
742 (≥) 776 (≥) 11 22 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical properties of grade 4419 SAE J 1249 (2000)

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
344 (≥) 962 (≥) 23 24 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 143
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
229 644 385

4419 - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
4419 YB USA
Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for
4419 YB USA
General Requirements for Wire Rods and Coarse Round Wire, Alloy Steel [Metric]
4419 YB USA
Former SAE Standard and Former SAE Ex-Steels
4419 UNS USA
Former SAE standard and former SAE Ex-steels
H44190 AISI USA
C-Mo H-Alloy Steel
K41910 AISI USA
Ni-Mo Arc Welding Electrode 3N1C (Hastelloy C)
W84190 AISI USA
Ni-Cu Arc Welding Electrode ENiCu-7 (Monel W.E.190)
T41901 UNS USA
Shock-Resisting Tool Steel
T41902 UNS USA
Shock-Resisting Tool Steel
T41904 UNS USA
Shock-Resisting Tool Steel
T41905 UNS USA
Shock-Resisting Tool Steel
T41906 UNS USA
Shock-Resisting Tool Steel
T41907 UNS USA
Shock-Resisting Tool Steel
1.2419 DIN Germany
Tool Steels; Technical Conditions of Delivery

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