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Overview of technical requirements for explosive metal (stainless steel) clad panels

Overview of technical requirements for explosive metal (stainless steel) clad panels

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Explosion welding technology, used to say an explosion compound) based on explosive energy, high voltage pulse load, produced by explosive detonation driving a material (double layer) high-speed oblique collision of another kind of material (base), its loading stress is much higher than the yield strength of metal materials, the loading process moments (generally for trace level), the locality of material under load, The metallurgical combination of the two metals is realized by means of interweaving in the tiny adjacent area of the operation point and moving at high speed, and the bonding area presents a wavy metallurgical combination.

Compared with rolling, surfacing, casting and other welding technologies, the advantages of explosive welding technology lie in:

Extensive material adaptability weldability, suitable for most plastic metal or alloy, currently there are 340 kinds of metal or alloy combination has been verified to be weldable, regardless of the material is deformed or cast state, any planning shape of plane and cylinder, in what heat treatment state can be explosive welding, Explosive welding is to some extent the only welding method for large-area surface joints of metals, even though the melting points of aluminum (660℃) and tantalum (2996℃) differ greatly; The thermal expansion coefficient of titanium (8.35×10-6mm/mm℃) and stainless steel (18×10-6mm/mm℃) is very different; Lead (HB=4-6) and steel (HB=50), which vary widely in hardness, can be welded.

Applies not only to intermiscibility metal combination, and is suitable for the intermiscibility metal combination, can also be applied to easy generation of brittle intermetallic compounds of metals and alloys, good thermal conductivity, low interface resistance, combining area with no heat affected area constitute a good joint performance, instantaneous thermal process of interfacial no or only a small amount of melt.

Projects developed by explosive welding technology have obvious advantages in variety, specifications, yield, quality, market, cost, and benefit.

Prospect analysis of application field of technology:

Composite materials by industry use requirements:

1) Chemical, petrochemical, metallurgy, salt, equipment manufacturing and other traditional industries have the greatest demand. With the development of economic globalization and the rise of China, the focus of modern manufacturing is constantly shifting to China. Demand is 100,000-150,000 tons

2) Demand for electric power, steam turbine and ship: about 50,000-80,000 tons.

3) Land transport, construction, office equipment industry: 54,000 tons

4) Demand in other fields: 26,000-40,000 tons for military.

Benefit analysis:

After the implementation of the project, the annual sales revenue reached 132.4 million yuan, the profit was 24.686 million yuan, the investment profit was 32.54%, the tax rate was 53.57%, the internal income was 33%, and the investment recovery period was 2.14 yuan. Year (after income tax), the break-even point is 47.85%.

Jianglin Stainless Steel
Location

Jianglin steel, Yuanjiabao, Chagugang county, Wuqing District, Tianjin

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[email protected]

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+86 18621742353

main products

  • Stainless Steel Plate
  • Stainless Steel Coil
  • Stainless Steel Strip
  • Stainless Steel Tube
  • Stainless Steel Bar
  • Stainless Steel Wire

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