Hardenable Chromium Stainless Steel
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AISI S44003 Details
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S44003 Datasheet
AISI S44003| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | S44003 | Martensite | USA - AISI , |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.75 | 0.95 | ||
| Mn | - | 1.00 | ||
| Si | - | 1.00 | ||
| P | - | 0.04 | ||
| S | - | 0.03 | ||
| Cr | 16.00 | 18.00 | ||
| Ni | - | - | ||
| Mo | - | 0.75 |
| 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) |
|---|---|---|---|---|---|---|
| 874 (≥) | 982 (≥) | 34 | 12 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 312 |
| 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 |
|---|---|---|---|---|---|---|---|
| 778 (≥) | 177 (≥) | 41 | 13 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 312 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 429 | 697 | 585 |
| 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 276 S44003 | SAE | USA | Stainless Steel Bars and Shapes |
| A 314 S44003 | SAE | USA | Stainless Steel Billets and Bars for Forging |
| A 473 S44003 | SAE | USA | Stainless Steel Forgings |
| A 580 S44003 | SAE | USA | Stainless Steel Wire |
| S44003 | AISI | USA | Hardenable Chromium Stainless Steel |
| SUS 440B | JIS | Japan | Stainless steel bars |
| STS440B | KS | Korea | Stainless steel bars |
| 440B | CNS | China | Stainless steel bars |
| ASTM440B | ASTM | USA | ASTM440B |
| AISI440B | AISI | USA | AISI440B |
| S44003 | UNS | USA | S44003 |