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 | Si | Mn | P | S | Cr | Ni | N |
---|---|---|---|---|---|---|---|
≤0.08 | ≤1.00 | 11.5 -14.5 | ≤0.06 | ≤0.03 | 17.0 -19.0 | 2.25 -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) |
---|---|---|---|---|---|---|
123 (≥) | 886 (≥) | 22 | 12 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 311 |
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 |
---|---|---|---|---|---|---|---|
22 | - | - | 0.14 | - | |||
612 | 117 | - | 33.3 | 113 | - | ||
579 | - | 11 | 41.2 | 411 | 311 |
Heat treated : 1646°C - 1835°C
Grade | Standard | Country | Application |
---|---|---|---|
XM-29 | |||
XM-29J | |||
TPXM-29 | |||
TPXM-29 | |||
TPXM-29 | |||
TPXM-29 | |||
XM-29 | |||
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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