Japan JIS G 3463 (2012), SUS 329J 4LTB Specialsteel Stainless steel boiler and heat exchanger tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | SUS 329J 4LTB | Duplex steel | JIS | Japan | Stainless steel boiler and heat exchanger tubes |
| C | Si | Mn | P | S | Cr | Ni | Mo | N |
|---|---|---|---|---|---|---|---|---|
| ≤0.03 | ≤1.00 | ≤1.50 | ≤0.04 | ≤0.03 | 24.00 -26.00 | 5.50 -7.50 | 2.50 -3.50 | 0.08 -0.30 |
| 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) |
|---|---|---|---|---|---|---|
| 413 (≥) | 691 (≥) | 43 | 21 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 414 |
| 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 |
|---|---|---|---|---|---|---|---|
| 24 | - | - | 0.21 | - | |||
| 736 | 786 | - | 14.3 | 134 | - | ||
| 228 | - | 22 | 22.2 | 441 | 221 |
Heat treated : 1219°C - 1934°C
| G 3463 (2012) | Stainless steel boiler and heat exchanger tubes | G-3463-(2012).pdf |
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