1.1248 Enquiry | Print this page
EN 1.1248 Details
EN 1.1248 Standard Download
1.1248 Application:Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 4: Spring steels and other applications
| Category | Type | Grade | Designations |
|---|---|---|---|
| Grades | Structural Steel | 1.1248 | - EN , EN 10132-4 (2000) - Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 4: Spring steels and other applications |
Chemical composition(wt.%) of 1.1248 grade: EN 10132-4 (2000)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.70 | 0.80 | ||
| Si | 0.15 | 0.35 | ||
| Mn | 0.60 | 0.90 | ||
| P | - | 0.025 | ||
| S | - | 0.025 | ||
| Cr | - | 0.40 | ||
| Ni | - | 0.40 | ||
| Mo | - | - | ||
| Cu | - | 0.10 |
Mechanical properties of grade 1.1248 EN 10132-4 (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) |
|---|---|---|---|---|---|---|
| 287 (≥) | 738 (≥) | 32 | 21 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 342 |
Physical properties of grade 1.1248 EN 10132-4 (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 |
|---|---|---|---|---|---|---|---|
| 147 (≥) | 594 (≥) | 31 | 24 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 122 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 551 | 592 | 734 |
1.1248 - 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 |
|---|---|---|---|
| 1.1248 | EN | Whole | Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 4: Spring steels and other applications |
Enquiry
* Required fields