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AISI S31640 Details
AISI S31640 Standard Download
S31640 Application:Austenitic Chromium Nickel Molybdenum Stainless Steel (Columbium Stabilized)
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | S31640 | Austenite | USA - AISI , |
Chemical composition(wt.%) of S31640 grade:
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.08 | ||
| Si | - | 1.00 | ||
| Mn | - | 2.00 | ||
| P | - | 0.045 | ||
| S | - | 0.03 | ||
| Cr | 16.0 | 18.0 | ||
| Ni | 10.0 | 14.0 | ||
| Mo | 2.00 | 3.00 | ||
| N | - | 0.10 | ||
| Carbon equivalent | - | 10xC≤b≤1.10 |
Mechanical properties of grade S31640
| 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) |
|---|---|---|---|---|---|---|
| 568 (≥) | 972 (≥) | 41 | 24 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 433 |
Physical properties of grade S31640
| 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 |
|---|---|---|---|---|---|---|---|
| 817 (≥) | 429 (≥) | 41 | 13 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 134 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 483 | 376 | 883 |
S31640 - Form of Supply
| 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 |
Cross Reference Table(Equivalent Grade)
| Grade | Standard | Country | Application |
|---|---|---|---|
| 316Cb | UNS | USA | Chemical compositions of SAE wrought stainless steels |
| A 167 Type 316Cb | SAE | USA | Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip |
| A 240 Type 316Cb | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 276 316Cb | SAE | USA | Stainless Steel Bars and Shapes |
| A 314 316Cb | SAE | USA | Stainless Steel Billets and Bars for Forging |
| A 368 Type 316Cb | SAE | USA | Stainless Steel Wire Strand |
| A 478 Type 316Cb | SAE | USA | Chromium-Nickel Stainless Steel Weaving and Knitting Wire |
| A 479 316Cb | SAE | USA | Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
| A 959 Type 316Cb | SAE | USA | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| SA-276 316Cb | AMS | USA | Specification for Stainless Steel Bars and Shapes |
| SA-479 Type 316Cb | AMS | USA | Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
| A 240 S31640 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 276 S31640 | SAE | USA | Stainless Steel Bars and Shapes |
| A 314 S31640 | SAE | USA | Stainless Steel Billets and Bars for Forging |
| A 368 S31640 | SAE | USA | Stainless Steel Billets and Bars for Forging |
| A 478 S31640 | SAE | USA | Chromium-Nickel Stainless Steel Weaving and Knitting Wire |
| S31640 | AISI | USA | Austenitic Chromium Nickel Molybdenum Stainless Steel (Columbium Stabilized) |
| SA-240 S31640 | AMS | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 240 S31640 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 276 S31640 | SAE | USA | Stainless Steel Bars and Shapes |
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