Q370R Boiler Steel
Q370R belongs to the domestic brand, Q370R is a pressure vessel steel plate belongs to the medium-high temperature pressure vessel steel plate, Q370R steel plate delivery state for normalizing, including steel plate three-level flaw detection, "Q" means yield; "370" means yield value, the unit of Mpa, that is, 370Mpa; "R" means that the container, the Q370R implementation standards for GB713-2008 special technical conditions.
Q370R pressure vessel steel plate chemical composition
| Grade | C% | SI% | Mn% | Cr% | Ni% | Mo% | Nb% | V% | P% | S% | Alt% |
| Q370R | ≤O.18 | ≤0.55 | 1.20-1.60 | 0.015-0.050 | ≤0.025 | ≤0.015 | |||||
Q370R pressure vessel plate material mechanical property
| Steel Grade | Thickness, in mm | Tensile Strength | Yield Strength, min | Elongation, %, min | |
| Q370R | 10 | 530-630 | 370 | 20 | |
| 16 | 360 | ||||
| 36 | 520-620 | 340 | |||
Q370R boiler steel plate has high tensile and yield strengths, which meets the material strength requirements for pressure vessels. The low elongation requirement indicates that the steel plate's plasticity is slightly reduced during the manufacturing process, but it still has sufficient toughness. Impact toughness is to assess the ability of steel to resist fracture at low temperatures, and the experimental test ensures the safe performance of Q370R steel plate in a low-temperature environment.
Q370R vessel steel plate application range
1. Pressure vessel manufacturing: Q370R steel plate has high strength, good pressure resistance and good weldability, which is suitable for manufacturing all kinds of medium and low-pressure vessels, such as storage tanks, reactors and so on.
2. Petrochemical industry: Q370R steel plate is widely used in petrochemical industry, such as oil refinery, gas storage tanks, oil pipelines and so on.
3. chemical industry: Q370R steel plate is often used in the chemical industry to produce all kinds of chemical equipment, such as reactors, separation towers, etc. It has good corrosion resistance and pressure resistance.
4. nuclear power plant: the pressure vessel in the nuclear power plant needs to have high pressure resistance and safety performance, suitable for the use of high-strength steel materials.
Q370R pressure vessel quality steel plate Products image
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