Q345R Steel Plates Of Pressure Vessel
Q345R steel Product Introduction
Q345R steel plate is used in the inner tube of the multi-layer container, for the shell thickness is larger than 36mm for other compression elements (flanges, tube plates and flanges).
If the thickness of the cap is greater than 50mm, it should be used in the state of normalization: For steel plates used for multi-layer containers or for steel plates with a thickness of more than 60mm, each of the heat treated steel plates should be stretched and v-shaped Mouth impact test.
According to the design document, for steel plate with thickness greater than 80mm, ultrasonic testing can be added to steel plate thickness.
For steel plate thickness is 30 ~ 36 mm, ultrasonic testing requirement is not lower than level Ⅲ.
For steel plate thickness is greater than 36 mm, ultrasonic testing is required not lower than level Ⅱ..
Q345R Steel plate Product Details
Q345R Steel Plate Chemical Composition:
| Steel Grade | C % | Si % | Mn % | Cu % | Ni % | Cr% | Mo % | V % | Ti % | Alt % | P % | S % | Nb |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Q345R | 0.20 | 0.55 | 1.2-1.7 | 0.30 | 0.30 | 0.30 | 0.08 | 0.050 | 0.030 | 0.020 | 0.025 | 0.010 | 0.050 |
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