Titanium Steel Composite Plate

Titanium steel composite plate: refers to a plate covered with titanium metal on a steel plate, which has achieved the effect of saving resources and reducing costs without reducing the use effect (anti-corrosion performance, mechanical strength, etc.). The composite methods usually include explosive composite, explosive rolling composite, rolling composite, etc. It is mainly used in anti-corrosion, pressure vessel manufacturing, power construction, chemical industry, medicine, light industry, automobile and other industries.

Quality requirements for titanium steel composite plate
Width error: (0~2mm)
Diagonal error: (0~2mm)
Length error: (0~3mm)
Groove angle error: (0~3°)
Total thickness error: (±0.8mm)
Multilayer (titanium layer) thickness error: (-0.12~+0.24mm) Titanium strip
Width: (±2mm)
Thickness error: ±0.2mm
A small amount of short-length delivery is allowed, but the short-length plate must be accompanied by a corresponding long-length plate, and the long and short dimensions should be complementary (only individual cases are allowed, and must be notified in advance).
 Titanium-steel composite plate specifications
1 Titanium-steel composite plate has three thicknesses (base material + titanium material): 18+1.2mm, 16+1.2mm, 14+1.2mm
2 The basic plate width of titanium-steel composite plate is 2.0 meters, and some widths are adjusted according to the construction drawings. Each plate is about 6.70 meters long (determined by the construction unit according to the construction process). The bidding size and quantity are shown in the scope of supply. The detailed size and quantity shall be provided by the buyer according to the construction drawings after the bid is won.

3 The composite plate and ordinary steel plate supplied shall be mechanically planed and cut on the four sides of the composite plate base material and ordinary steel plate
(The schematic diagram of the groove of the composite titanium plate shall be provided by the buyer according to the requirements of the construction drawings after the bid is won), and the titanium material shall be removed from the four sides of the composite plate composite surface. The edge width is 16 mm, the error is ±1 mm, and the width error of the titanium strip is ±1 mm.

Explosive composite method
The key points of the explosive composite method: First, keep a certain distance between the two metal plates to be crimped, and then put an appropriate amount of explosives on them. The explosive is detonated from one end, and the explosion speed is several thousand meters per second. With the explosive energy, the titanium plate collides from the angle of the base steel plate. At this collision point, the base steel plate and the titanium plate show fluid behavior due to the very large deformation speed and ultra-high pressure. The oxide film and gas adsorption layer on the surface of the two metals are eliminated as metal jets, and the clean surface-to-surface bonding is completed in an instant, which is called cold bonding. The titanium-steel composite plate manufactured by this method can continue to be hot-rolled to a plate thickness of 4mm, so it is also called the explosive composite method.

Thick plate rolling method
The thick plate rolling method initially assembles the titanium plate (composite material) and the steel plate (base material) with an embedded slab. At this time, a suitable intermediate embedded material is placed between the titanium plate and the steel, and then electron beam welding is used under high vacuum. Finally, after being heated in a heating furnace, it is strongly pressed and rolled to the required thickness on a thick plate rolling mill, so that the titanium plate and the steel plate are truly joined. Finally, the periphery is cut and separated into two plates.

Continuous hot rolling method
The continuous hot rolling method is basically the same as the thick plate rolling method. The difference is that a steel plate is added between the two plates, arc welding is performed in the atmosphere, and finally it is continuously rolled to the required thickness on a continuous hot rolling mill and taken out in the form of a coil. Finally, the periphery is cut and separated into two plates.

The titanium steel composite plate manufactured by the explosion method and the thick plate rolling method is a thick plate, which is mainly used as a corrosion-resistant structural material. Chemical equipment such as high-purity terephthalic acid equipment and the tube sheet of the condenser are used in power generation equipment.

The titanium steel composite plate manufactured by continuous hot rolling is a thin plate, which is mainly used in the lining of marine steel structures and the application field is marine civil engineering.

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