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SAE A11 Details
SAE A11 Standard Download
A11 Application:Cold-Work Tool Steel (A-11)
| Category | Type | Grade | Designations |
|---|---|---|---|
| Grades | Tool Die Steels | A11 | USA - SAE , |
Chemical composition(wt.%) of A11 grade:
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 2.40 | 2.50 | ||
| Si | 0.75 | 1.10 | ||
| Mn | 0.35 | 0.60 | ||
| Cr | 4.75 | 5.50 | ||
| Mo | 1.10 | 1.50 | ||
| V | 9.25 | 10.25 | ||
| W | 0.50 | - | ||
| S | 0.05 | 0.09 |
Mechanical properties of grade A11
| 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) |
|---|---|---|---|---|---|---|
| 412 (≥) | 759 (≥) | 42 | 34 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 242 |
Physical properties of grade A11
| 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 |
|---|---|---|---|---|---|---|---|
| 466 (≥) | 627 (≥) | 34 | 21 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 133 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 835 | 243 | 219 |
A11 - 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 |
|---|---|---|---|
| NA11 | B.S. | UK | Specification for nickel and nickel alloys: bar |
| A11 | SAE | USA | Cold-Work Tool Steel (A-11) |
| Nickel 200 | ASTM | USA | Acid or alkaline food production (fruit juices, ice-creams), cristallization and concentration of mineral salts. Concentration of caustic salts. Machineries in which hydrocarbons are in reaction with fluorides. Storing and carriage of phenol. Production o |
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