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YB 4419 Details
YB 4419 Standard Download
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 |
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) |
|---|---|---|---|---|---|---|
| 351 (≥) | 868 (≥) | 44 | 41 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 411 |
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 |
|---|---|---|---|---|---|---|---|
| 577 (≥) | 548 (≥) | 21 | 44 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 443 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 124 | 659 | 745 |
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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