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Manufacturing overview of CB2 steel castings

CB2 cast steel is a heat-resistant steel developed for 630 ℃ ultra supercritical units in the European joint research project cost522 R & D plan. After the development of 620 ℃ high-efficiency ultra supercritical units in China, CB2 cast steel has been used as the manufacturing material for large...

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Quality status of CB2 steel castings

Based on the current manufacturing and use status of CB2 steel castings, in order to grasp the quality differences between CB2 steel castings from different manufacturers, a comprehensive comparative analysis was made on the performance data of domestic and imported CB2 steel castings. The imported manufacturers involved include Voestalpine...

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CB2 steel castings for 620 ℃ high efficiency thermal power units

With the increasing requirements of environmental protection, energy conservation and emission reduction, efficient, clean and low emission ultra supercritical power generation technology has become the main development direction of thermal power units in the world. China began to vigorously develop 620 ℃ high-efficiency ultra supercritical power generation technology in...

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Test method for kerosene leakage of box steel castings

1. Brushing method Brush the clean surface to be observed with mixed lime water, and block the through-hole within the surface to be tested with putty or rubber plug. After the lime water is dry, place the part to be inspected horizontally downward, brush kerosene on the inner surface...

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Kerosene leakage test of box steel castings

Some box type steel castings have the functional requirements to prevent the leakage of lubricating oil in the inner cavity during the actual operation. However, for the blank steel castings of sand casting, in order to prevent leakage, air tightness testing is usually required. However, due to the lack...

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