Q370R PVQ Steel Plate
Q370R pressure vessel quality steel grade representation method: Q - the first letter of "Qu" in Chinese Pinyin; 370 - yield strength value; R: the first letter of "Rong" in Chinese Pinyin.
The advantages of Q370R pressure vessel steel plate: the mixing ratio of each component and the heat treatment process are optimized; on the basis that the tensile strength and yield strength meet the GB 713-2008 standard, the low-temperature impact toughness is improved.
Q370R boiler quality plate is widely used in petroleum, chemical, power plants, boilers and other industries to produce reactors, heat exchangers, separators, spherical tanks, oil tanks, LPG tanks, pressure vessels, boiler drums, and LPG cylinders , hydropower high-pressure water pipes, steam turbine scroll shells and other equipment and components.
Q370R Pressure Vessel Plate Chemical Composition:
| Grade | C% | SI% | Mn% | P% | S% |
| Q370R | ≤O.18 | ≤0.55 | 1.20-1.60 | ≤0.025 | ≤0.015 |
Q370R Pressure Vessel Steel Plate Mechanical Properties:
| Steel Grade | Thickness, in mm | Tensile Strength | Yield Strength, min | Elongation, %, min |
| Q370R | 10<T≤16 | 530-630 | 370 | 20 |
| 16<T≤36 | 360 | |||
| 36<T≤60 | 520-620 | 340 |
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