UNS Lapelloy Enquiry | Print this page
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- » Lapelloy
S41800
S42010
S42010
TrimRite
TrimRite
S42023
S42023
Type420FSe
Type420FSe
Lapelloy - UNS
- USA
- Martensitic special steel
Chemical composition % of the ladle analysis of grade Lapelloy
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) | V(%) |
| 0.27-0.32 | 0.5 | 0.95-1.35 | Max 0.025 | Max 0.025 | 11.0-12.0 | 0.5 | 2.5-3.O | 0.2-0.3 |
| 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) |
|---|---|---|---|---|---|---|
| 991 (≥) | 935 (≥) | 11 | 42 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 314 |
| 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 |
|---|---|---|---|---|---|---|---|
| 213 (≥) | 145 (≥) | 34 | 43 | 22 | 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 |
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| 872 | 675 | 445 |
| 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 |
| Grade | Standard | Country | Application |
|---|---|---|---|
| A 565 S42300 | Martensitic Stainless Steel Bars for High-Temperature Service |
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| S42300 | Martensitic Chromium Molybdenum Vanadium Stainless Steel |
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| Lapelloy | Special Purpose Alloys ("Superalloys") |
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| Lapelloy C | Special Purpose Alloys ("Superalloys") |
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| Lapelloy C | Special Purpose Alloys ("Superalloys") |