Korea KS SEV 345/SEV 35 Used for pressure vessels in normal temperature, high strength steel plate steel grade and SEV 345/SEV 35 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Structure Steel | SEV 345/SEV 35 | KS | Korea | Used for pressure vessels in normal temperature, high strength steel plate steel grade |
| SHY 685N / SHY 70N |
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| SHY 685 /SHY 70 |
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| SPPV 235/SPPV24 |
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| SPPV 315 /SPPV 32 |
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| SPPV 355 /SPPV 36 |
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| SPPV 410 /SPPV 42 |
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| SPPV 450 /SPPV 46 |
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| SPPV 490 /SPPV 50 |
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| SEV 245/SEV 25 |
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| SEV 295/SEV 30 |
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Mo(%) | V(%) | Cu(%) | Nb(%) |
|---|---|---|---|---|---|---|---|---|
| 0.19 | 0.15-0.60 | 0.80-1.70 | 0.035 | 0.035 | 0.15-0.50 | 0.10 | 0.35 | 0.05 |
| 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) |
|---|---|---|---|---|---|---|
| 646 (≥) | 112 (≥) | 43 | 41 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 334 |
| 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 | - | - | 0.13 | - | |||
| 251 | 998 | - | 11.3 | 312 | - | ||
| 319 | - | 12 | 21.2 | 434 | 321 |
Heat treated : 1855°C - 1777°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| SEV345 | CNS | China | China Taiwan Structural steel |
| SEV 345/SEV 35 | KS | Korea | Used for pressure vessels in normal temperature, high strength steel plate steel grade |
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