Introduction to anti-corrosion technology of petrochemical storage tanks
- Oct 14, 2019
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Storage tanks for petrochemical products, as an important device for storing petrochemical products, play an irreplaceable role in the refining and storage of petrochemical products. However, through...
The knowledge of pressure vessel classification and its safety accessories
- Oct 14, 2019
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First, according to the design pressure, pressure vessels can be classified into: 1. Low pressure (L) vessel: 0.1MPa ≤ P < 1.6 MPa 2. Medium pressure (M) vessel: 1.6 MPa ≤ P < 10 MPa...
Pressure vessel -- titanium welding
- May 17, 2019
- Hits: 254
Titanium has a small specific gravity (4.5), high strength, good resistance to high and low temperatures, and excellent crack resistance and corrosion resistance in wet chlorine gas. The mechanical properties...
A guide of materials for cryogenic pressure vessels (part three)
- May 05, 2019
- Hits: 202
6. Cold deformation The cold deformation reduces the toughness of the steel, and the strain aging deteriorates the low-temperature toughness, and the brittle transition temperature increases. Therefore,...
A guide of materials for cryogenic pressure vessels (part two)
- Apr 29, 2019
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2. Chemical composition For steels used for cryogenic pressure vessels, increasing the carbon content will increase the brittleness of the material and the brittle transition temperature. Therefore,...
A guide of materials for cryogenic pressure vessels (part one)
- Apr 25, 2019
- Hits: 333
The design of cryogenic pressure vessels is focused on material selection and, correspondingly, certain restrictions on manufacturing and construction. The steel used for the pressure components of the...
Questions and analyses of pressure vessel manufacture (part two)
- Apr 18, 2019
- Hits: 149
2. Deformation problem The deformation of the pressure vessel seriously affects the rigor and reliability of the use, which in turn affects the safety of the pressure vessel during operation. The manufacturing...
Questions and analyses of pressure vessel manufacture (part one)
- Apr 16, 2019
- Hits: 150
As the economy and technology level of China has grown rapidly, from design to manufacturing and maintenance, pressure vessels made in China have been improved and even stepped into the frontier of the...
Three kinds of failure modes of pressure vessels
- Apr 03, 2019
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The failure of the pressure vessel is a state in which the damage is accumulated to a certain extent, and the strength, rigidity or function of the pressure vessel cannot meet the requirements of use....
Pressure vessel stainless steel materials for different conditions
- Mar 22, 2019
- Hits: 234
Selection principle of austenitic stainless steel welding materials The selection principle of austenitic stainless steel welding material is to ensure that the corrosion resistance and mechanical properties...
What are the characteristics of stainless steel for pressure vessel
- Mar 18, 2019
- Hits: 534
The term "stainless steel" refers to the case that after adding a certain amount of chromium element to the steel, the steel is in a passivated state and has a property of not rusting. To achieve...
Pressure vessel inspection checklist
- Mar 14, 2019
- Hits: 3215
External inspection 1. Cracks, overheating, deformation, leakage, etc. of the body, surface, welded joints, etc. of the pressure vessel; liquid and gas leakage of seal performance checking holes. 2. Corrosion...