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AMS SA-790 S31500 Details
AMS SA-790 S31500 Standard Download
SA-790 S31500 Application:Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | SA-790 S31500 | Austenitic-Ferritic(Duplex steel) | USA - AMS , SA-790/SA-790M - Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe |
Chemical composition(wt.%) of SA-790 S31500 grade: SA-790/SA-790M
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.03 | ||
| Mn | 1.20 | 2.00 | ||
| Si | 1.40 | 2.00 | ||
| P | - | 0.03 | ||
| S | - | 0.03 | ||
| Cr | 18.00 | 19.00 | ||
| Ni | 4.25 | 5.25 | ||
| Mo | 2.50 | 3.00 |
Mechanical properties of grade SA-790 S31500 SA-790/SA-790M
| 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) |
|---|---|---|---|---|---|---|
| 116 (≥) | 772 (≥) | 33 | 31 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 444 |
Physical properties of grade SA-790 S31500 SA-790/SA-790M
| 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 |
|---|---|---|---|---|---|---|---|
| 179 (≥) | 982 (≥) | 21 | 32 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 411 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 282 | 185 | 772 |
SA-790 S31500 - 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 |
|---|---|---|---|
| A 789 S31500 | SAE | USA | Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service |
| A 790 S31500 | SAE | USA | Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe |
| A 928 S31500 | SAE | USA | Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal |
| A 949 S31500 | SAE | USA | Spray-Formed Seamless Ferritic/Austenitic Stainless Steel Pipe |
| A 959 S31500 | SAE | USA | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| S31500 | AISI | USA | Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Silicon Stainless Steel |
| SA-789 S31500 | AMS | USA | Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service |
| SA-790 S31500 | AMS | USA | Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe |
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