Martensitic Chromium Stainless Steel
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AISI S42020 Details
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S42020 Datasheet
AISI S42020| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | S42020 | Martensite | USA - AISI , |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.15 | ||
| Mn | - | 1.25 | ||
| Si | - | 1.00 | ||
| P | - | 0.06 | ||
| S | - | 0.15 | ||
| Cr | 12.00 | 14.00 | ||
| Ni | - | - | ||
| Mo | - | 0.60 |
| 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) |
|---|---|---|---|---|---|---|
| 124 (≥) | 881 (≥) | 14 | 43 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 142 |
| 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 |
|---|---|---|---|---|---|---|---|
| 618 (≥) | 972 (≥) | 34 | 12 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 221 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 152 | 332 | 956 |
| 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 895 S42020 | SAE | USA | Free-Machining Stainless Steel Plate, Sheet, and Strip |
| S42020 | AISI | USA | Martensitic Chromium Stainless Steel |
| A 582 S42023 | SAE | USA | Standard Specification for Free-Machining Stainless Steel Bars |
| A 895 S42023 | SAE | USA | Free-Machining Stainless Steel Plate, Sheet, and Strip |
| S42023 | AISI | USA | Martensitic Chromium Stainless Steel |
| A 582 S42023 | SAE | USA | Standard Specification for Free-Machining Stainless Steel Bars |
| A 895 S42023 | SAE | USA | Free-Machining Stainless Steel Plate, Sheet, and Strip |
| S42023 | AISI | USA | Martensitic Chromium Stainless Steel |
| SUS 420F | JIS | Japan | Stainless steel bars |
| SUS 420F | JIS | Japan | Stainless steel wire rods |
| SUS 420F | JIS | Japan | Stainless steel wires |
| SUS 420F | JIS | Japan | Cold finished stainless steel bars |
| SUS 420F2 | JIS | Japan | Stainless steel bars |
| SUS 420F2 | JIS | Japan | Stainless steel wire rods |
| SUS 420F2 | JIS | Japan | Stainless steel wires |
| SUS 420F2 | JIS | Japan | Cold finished stainless steel bars |
| STS420F | KS | Korea | Stainless steel bars |
| STS420F2 | KS | Korea | Stainless steel bars |
| 420F | CNS | China | Stainless steel wire rods |
| 420F2 | CNS | China | Stainless steel wire rods |