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AMS SA-688 S24000 Details
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Category | Type | Grade | Microstructure | Designations |
---|---|---|---|---|
Grades | Stainless Steels | SA-688 S24000 | Austenite | USA - AMS , SA-688/SA-688M - Specification for Welded Austenitic Stainless Steel Feedwater Heater Tubes |
Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
---|---|---|---|---|
C | - | 0.08 | ||
Si | - | 1.00 | ||
Mn | 11.5 | 14.5 | ||
P | - | 0.06 | ||
S | - | 0.03 | ||
Cr | 17.0 | 19.0 | ||
Ni | 2.25 | 3.75 | ||
N | 0.20 | 0.40 |
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) |
---|---|---|---|---|---|---|
331 (≥) | 873 (≥) | 43 | 33 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 212 |
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 |
---|---|---|---|---|---|---|---|
717 (≥) | 341 (≥) | 13 | 34 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 314 | |
Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
817 | 546 | 924 |
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 Type XM-29 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
A 249 TPXM-29 | SAE | USA | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
A 269 TPXM-29 | SAE | USA | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
A 276 XM-29 | SAE | USA | Stainless Steel Bars and Shapes |
A 312 TPXM-29 | SAE | USA | Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes |
A 314 XM-29 | SAE | USA | Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes |
A 358 XM-29 | SAE | USA | Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications |
A 412 Type XM-29 | SAE | USA | Stainless and Heat-Resisting Chromium-Nickel-Manganese Steel Plate, Sheet, and Strip |
A 479 XM-29 | SAE | USA | Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
A 580 Type XM-29 | SAE | USA | Stainless Steel Wire |
A 688 Grade TP XM-29 | SAE | USA | Welded Austenitic Stainless Steel Feedwater Heater Tubes |
A 813 Grade TP XM-29 | SAE | USA | Single- or Double-Welded Austenitic Stainless Steel Pipe |
A 814 Grade TP XM-29 | SAE | USA | Cold-Worked Welded Austenitic Stainless Steel Pipe |
A 943 TPXM-29 | SAE | USA | Spray-Formed Seamless Austenitic Stainless Steel Pipes |
A 955 XM-29 Grade 280 | SAE | USA | Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement |
A 955 XM-29 Grade 40 | SAE | USA | Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement |
A 955 XM-29 Grade 420 | SAE | USA | Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement |
A 955 XM-29 Grade 520 | SAE | USA | Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement |
A 955 XM-29 Grade 60 | SAE | USA | Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement |
A 955 XM-29 Grade 75 | SAE | USA | Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement |