1. Product description
Mechanical properties
Shear test: The aggregate shear strength of the composite interface of the clad plate must be greater than 210Mpa. Different side cladding materials for the double-sided composite boards are kept for shear testing.
Tensile test: For double-sided composite plates, only one type of cladding material is reserved for tensile testing, and the buyer must mention this in the contract. Only the tensile test of the base material shall be performed when the thickness of the base material is larger than 40mm or required by the buyer, and the test results shall conform with the provisions of the base material standard.
For the composite plate, only the impact test of the base material shall be performed, and the impact test temperature and impact energy shall conform with the provisions of the base material standard. If the underlying material standard does not include an impact test requirement, the composite plate will not be tested.
2. Dimensions
The thickness of the cladding material is 2mm-16mm.
The minimum thickness of the base material is 6mm, and the base material thickness to cladding thickness ratio is often greater than 3. Stainless steel explosive weld-covered steel plate has a maximum width of 3000mm, a maximum length of 1000mm, and a maximum area of 20m2 that is normally not exceeded. The circular composite plate has a maximum diameter of 4000mm. The supplier and buyer agreed that stainless steel explosive weld-clad steel plate larger than the stated dimensions could be supplied.
3. Product Features
Brief introduction of the stamping process
When stamping, in order to reduce the friction between the blank and the die, the surface of the lower die is usually coated with lubricant
Carbon steel: 40% graphite + 60% engine oil
Stainless steel: 55% graphite + 45 engine oil
First forming
Second forming
4. Application
Delayed coking unit
The delayed coking unit's function is to produce heavy oil pyrolysis, polymerization, light oil, middle distillate, and coke. Because of the high sulfur content in processed heavy oil (up to 1.25%), sulfur (s) corrosion and hydrogen sulfide (H2S) corrosion occur during the processing process, with the coke drum and fractionator being the most severely corroded. Carbon tower bodies are generally made of 0Cr13 (410S)+ Gr60 stainless steel clad steel plate; fractionation tower bodies are made of 0Cr13 (410S)+A36 stainless steel clad steel plate because the middle wall temperature of the fractionation tower is greater than 260 °C and the thickness of the composite layer 0Cr13 (410S) is greater than 3mm.
5. Product Package
Packaging, marking, and quality certificate
Each composite plate shall be marked with the product mark, batch number, manufacturer's name (or factory logo), production date, etc. on the surface of the cladding material at the end of the steel plate.
When providing the composite plate, the original product quality certificate of the composite plate must be delivered, as well as copies of the quality certificates of the covering material and the base material.
The surface of the composite plate shall be effectively protected to prevent scratches.
Other requirements shall be in accordance with ASTM A264.
6. Why choose us
Our company now has a group of subsidiaries, including Baoji Taicheng Clad Metal Materials Co., Ltd., Baoji New Taicheng Metal Composite Co., Ltd., Baoji Taicheng Pressure Vessel Equipment Manufacturing Co., Ltd., Fujian Sanqin Titanium Industry Co., Ltd., and Sichuan Taicheng Titanium Industry Co., Ltd., after more than ten years of rapid development. Adhering to the concept of "innovation, development, cooperation and win-win". As a manufacturer of stainless steel explosive weld clad steel plate, Taicheng Group continues to promote scientific and technological progress and industrial upgrading development, to provide customers with high-quality products and first-rate services, to actively expand and strengthen the new metal composites industry, to make unrelenting efforts to build a first-class national innovative metal composites enterprise and to create a new life of green and environmental protection.
7. FAQ
Principle of explosive welding?
Metal explosive welding is a metal processing technology that welds two or more metal elements into one by using explosions as energy. Metal explosive composite refers to large-area metal explosive welding. It differs from previous methods of producing metal-clad plates. The workpiece is applied with a high-voltage pulse load (about 1000000 ATM) in a very short time, and the loading stress is far greater than the dynamic yield strength of the metal material; the loading process is instantaneous, within a few microseconds; the workpiece only bears the load locally, and it is in a state of high-speed movement, and deformation only occurs in the action zone. A wavy metallurgical bonding form is used in the bonding zone.
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