Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
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AMS SA-240 N08020| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | SA-240 N08020 | Austenite | USA - AMS , SA-240/SA-240M - Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.07 | ||
| Mn | - | 2.00 | ||
| Si | - | 1.00 | ||
| P | - | 0.045 | ||
| S | - | 0.035 | ||
| Cr | 19.00 | 21.00 | ||
| Ni | 32.00 | 38.00 | ||
| Mo | 2.00 | 3.00 | ||
| Cu | 3.00 | 4.00 | ||
| Nb | 8×C％ | 1.00 |
| 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) |
|---|---|---|---|---|---|---|
| 463 (≥) | 872 (≥) | 43 | 24 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 434 |
| 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 |
|---|---|---|---|---|---|---|---|
| 612 (≥) | 224 (≥) | 13 | 22 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 344 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 395 | 778 | 542 |
| 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 240 N08020 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 358 N08020 | SAE | USA | Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications |
| A 959 N08020 | SAE | USA | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| B 462 N08020 | SAE | USA | Standard Specification for Forged or Rolled UNS N06030, UNS N06022, UNS N06035, UNS N06200, UNS N06059, UNS N10362, UNS N06686, UNS N08020, UNS N08024, UNS N08026, UNS N08367, UNS N10276, UNS N10665, UNS N10675, UNS N10629, UNS N08031, UNS N06045 |
| B 463 N08020 | SAE | USA | Standard Specification for UNS N08020 Alloy Plate, Sheet, and Strip |
| B 464 N08020 | SAE | USA | Standard Specification for Welded UNS N08020 Alloy Pipe |
| B 468 N08020 | SAE | USA | Standard Specification for Welded UNS N08020 Alloy Tubes |
| B 472 N08020 | SAE | USA | Standard Specification for Nickel Alloy Billets and Bars for Reforging |
| B 473 N08020 | SAE | USA | UNS N08020, UNS N08024, and UNS N08026 Nickel Alloy Bar and Wire |
| B 475 N08020 | SAE | USA | UNS N08020, UNS N08024, and UNS N08026 Nickel Alloy Round Weaving Wire |
| B 729 N08020 | SAE | USA | Standard Specification for Seamless UNS N08020, UNS N08026, and UNS N08024 Nickel-Alloy Pipe and Tube |
| N08020 | AISI | USA | Ni-Fe-Cr Alloy Solid Solution Strengthened |
| SA-240 N08020 | AMS | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-358 N08020 | AMS | USA | Electric-Fusion-Welded Austenitic Chromium-Nickel Alloy Steel Pipe for High-Temperature Service |
| SB-462 N08020 | AMS | USA | Standard Specification for Forged or Rolled UNS N06030, UNS N06022, UNS N06035, UNS N06200, UNS N06059, UNS N10362, UNS N06686, UNS N08020, UNS N08024, UNS N08026, UNS N08367, UNS N10276, UNS N10665, UNS N10675, UNS N10629, UNS N08031, UNS N06045 |
| SB-463 N08020 | AMS | USA | Standard Specification for UNS N08020 Alloy Plate, Sheet, and Strip |
| SB-464 N08020 | AMS | USA | Standard Specification for Welded UNS N08020 Alloy Pipe |
| SB-468 N08020 | AMS | USA | Standard Specification for Welded UNS N08020 Alloy Tubes |
| SB-473 N08020 | AMS | USA | UNS N08020, UNS N08024, and UNS N08026 Nickel Alloy Bar and Wire |
| SB-729 N08020 | AMS | USA | Specification for Seamless UNS N08020, UNS N08026, and UNS N08024 Nickel-Alloy Pipe and Tube |