P355GH Pressure Vessel Steel
P355GH vessel steel plate belongs to the steel plate for medium-pressure boilers. It is a European pressure vessel steel plate equivalent to the domestic Q345R (16MnR) pressure vessel plate material.
P355GH boiler steel has good plasticity, toughness, cold bending performance and welding performance, and is suitable for manufacturing nuclear island steel containment shells, pressure vessels, and equipment components. P355GH boiler quality plate is widely used in the manufacture of steam-water separators, high-pressure heaters, deaerators, evaporators, voltage regulators and other conventional island and motor key equipment.
P355GH Vessel Plate Chemical Composition:
| C | Si | Mn | Ni | P | S | Cr | Mo | V | N | Nb | Ti | Al | Cu |
| 0.1 - 0.22 | max 0.6 | 1.1 - 1.7 | max 0.3 | max 0.025 | max 0.015 | max 0.3 | max 0.08 | max 0.02 | max 0.012 | max 0.02 | max 0.03 | max 0.02 | max 0.3 |
P355GH Pressure Vessel Steel Plate Mechanical Properties:
Thickness (mm) |
Yield Strength
|
Tensile Strength
|
Elongation
|
Impact Energy
|
Impact Energy
|
Impact Energy
|
|---|---|---|---|---|---|---|
-20° |
0° |
+20° |
||||
≤ 16 |
355 |
510 - 650 |
21 |
27 |
34 |
40 |
16> to ≤40 |
345 |
510 - 650 |
21 |
27 |
34 |
40 |
40> to ≤60 |
335 |
460 - 580 |
21 |
27 |
34 |
40 |
60> to ≤100 |
315 |
490 - 630 |
21 |
27 |
34 |
40 |
100> to ≤150 |
295 |
480 - 630 |
21 |
27 |
34 |
40 |
150> to ≤250 |
280 |
470 - 630 |
21 |
27 |
34 |
40 |
Boiler Steel
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