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SAE A 895 S42020 Details
SAE A 895 S42020 Standard Download
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | A 895 S42020 | Martensite | USA - SAE , A 895 (2009) - Free-Machining Stainless Steel Plate, Sheet, and Strip |
| 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 |
Free-Machining Stainless Steel Plate, Sheet, and Strip
| 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) |
|---|---|---|---|---|---|---|
| 474 (≥) | 245 (≥) | 41 | 12 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 332 |
| 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 |
|---|---|---|---|---|---|---|---|
| 646 (≥) | 655 (≥) | 21 | 22 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 112 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 427 | 957 | 741 |
| 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 |