USA AMS SA-688/SA-688M , SA-688 TP 304L 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 TP 304L | Austenite | AMS | USA | Specification for Welded Austenitic Stainless Steel Feedwater Heater Tubes |
C | Si | Mn | P | S | Cr | Ni |
---|---|---|---|---|---|---|
≤0.030 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 18.00 -20.00 | 8.00 -13.00 |
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) |
---|---|---|---|---|---|---|
375 (≥) | 971 (≥) | 22 | 14 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 213 |
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 |
---|---|---|---|---|---|---|---|
44 | - | - | 0.13 | - | |||
714 | 549 | - | 12.3 | 133 | - | ||
841 | - | 14 | 43.2 | 121 | 311 |
Heat treated : 1654°C - 1752°C
Grade | Standard | Country | Application |
---|---|---|---|
304L | |||
304LN | |||
304LHN | |||
AL 304L | |||
304L | |||
304LN | |||
TP304L | |||
TP304LN | |||
TP304L | |||
TP304LN | |||
TP304L | |||
TP304LN | |||
TP304L | |||
TP304LN | |||
TP304L | |||
MT304L | |||
MT-304L | |||
TP304L | |||
TP304LN | |||
304L |
SA-688/SA-688M | Specification for Welded Austenitic Stainless Steel Feedwater Heater Tubes | SA-688-SA-688M-.pdf |
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