USA AMS SA-688/SA-688M, SA-688 S24000 Specialsteel Specification for Welded Austenitic Stainless Steel Feedwater Heater Tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | SA-688 S24000 | Austenite | AMS | USA | Specification for Welded Austenitic Stainless Steel Feedwater Heater Tubes |
C | Mn | Si | P | S | Cr | Ni | Mo | N |
---|---|---|---|---|---|---|---|---|
≤0.08 | 11.50 -14.50 | ≤1.00 | ≤0.06 | ≤0.03 | 17.00 -19.00 | 2.50 -3.75 | ≤ ≥ | 0.20 -0.40 |
Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
---|---|---|---|---|---|---|
498 (≥) | 682 (≥) | 33 | 11 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 413 |
Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
---|---|---|---|---|---|---|---|
23 | - | - | 0.33 | - | |||
943 | 631 | - | 23.3 | 332 | - | ||
886 | - | 22 | 31.2 | 442 | 131 |
Heat treated : 1633°C - 1359°C
Grade | Standard | Country | Application |
---|---|---|---|
NITRONIC 20 | |||
NITRONIC 30 | |||
NITRONIC 32 | |||
NITRONIC 33 | |||
NITRONIC 40 | |||
NITRONIC 50 | |||
NITRONIC 60 | |||
S24000 | |||
S24000 | |||
S24000 | |||
S24000 | |||
S24000 | |||
S24000 | |||
S24000 |
SA-688/SA-688M | Specification for Welded Austenitic Stainless Steel Feedwater Heater Tubes | SA-688-SA-688M.pdf |
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