USA AMS SA-688/SA-688M, SA-688 S31653 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 S31653 | Austenite | AMS | USA | Specification for Welded Austenitic Stainless Steel Feedwater Heater Tubes |
C | Si | Mn | P | S | Cr | Ni | Mo | N |
---|---|---|---|---|---|---|---|---|
≤0.03 | ≤0.75 | ≤2.00 | ≤0.045 | ≤0.035 | 16.0 -18.0 | 10.0 -14.0 | 2.00 -3.00 | 0.10 -0.16 |
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) |
---|---|---|---|---|---|---|
562 (≥) | 576 (≥) | 34 | 23 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 144 |
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 |
---|---|---|---|---|---|---|---|
12 | - | - | 0.14 | - | |||
579 | 471 | - | 31.3 | 222 | - | ||
937 | - | 33 | 13.2 | 441 | 121 |
Heat treated : 1359°C - 1893°C
Grade | Standard | Country | Application |
---|---|---|---|
316LN | |||
316LN | |||
TP316LN | |||
TP316LN | |||
TP316LN | |||
TP316LN | |||
TP316LN | |||
SUS316LN | |||
SUS316LN | |||
S31653 | |||
S31653 | |||
S31653 | |||
S31653 | |||
S31653 | |||
S31653 | |||
S31653 |
SA-688/SA-688M | Specification for Welded Austenitic Stainless Steel Feedwater Heater Tubes | SA-688-SA-688M.pdf |
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