Grades | Stainless Steels | A 240 Type 317LM
SAE A 240 Type 317LM ( Precipitation-Hardening )
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A 240 Type 317LM Application:Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
Chemical composition(mass fraction)(wt.%) of the A 240 Type 317LM
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.30 | ||
| Si | - | 0.70 | ||
| Mn | - | 2.00 | ||
| P | - | 0.045 | ||
| S | - | 0.03 | ||
| Ni | 13.00 | 27.00 | ||
| Cr | 18.00 | 20.00 | ||
| Al | - | - | ||
| Cu | - | 0.75 | ||
| Ti | - | - | ||
| Fe | - | - | ||
| N | - | 0.10 | ||
| Mo | 4.00 | 5.00 | ||
| V | - | 0.08 |
Mechanical properties of grade A 240 Type 317LM
| Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | HBW |
|---|---|---|---|---|---|---|
| 159 (≥) | 746 (≥) | 13 | 13 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 141 |
Physical properties of grade A 240 Type 317LM
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
|---|---|---|---|---|---|
| 457 (≥) | 992 (≥) | 41 | 23 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
- | - | - |
| 311 | 766 | 934 | - | - | - |
A 240 Type 317LM Range of products
| 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 |