UNS S44023 Enquiry | Print this page
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- » S44023
Lapelloy
Lapelloy
S42300
S42300
S44020
S44020
Type440F
Type440F
Type440FSe
Type440FSe - UNS
- USA
- Martensitic special steel
Chemical composition % of the ladle analysis of grade S44023
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) | Other(%) |
| 0.95-1.20 | 1 | 1.25 | Max 0.04 | Max 0.03 | 16.0-18.0 | 0.75 | 0.6 | Se: Min 0.15 |
| 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) |
|---|---|---|---|---|---|---|
| 285 (≥) | 442 (≥) | 14 | 23 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 141 |
| 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 |
|---|---|---|---|---|---|---|---|
| 437 (≥) | 321 (≥) | 44 | 44 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 432 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
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| 239 | 122 | 319 |
| 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 582 S44023 | Standard Specification for Free-Machining Stainless Steel Bars |
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| S44023 | Martensitic Chromium Selenium Bearing Free Machining Stainless Steel |
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| A 582 S44023 | Standard Specification for Free-Machining Stainless Steel Bars |
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| S44023 | Martensitic Chromium Selenium Bearing Free Machining Stainless Steel |