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Rolling method and precautions for titanium seamless tubes and pipes
Titanium seamless tubing rolling is generally used reciprocating (i.e., Pilger format) cold rolling mill for processing, the process is generally used two-roll (LG) and multi-roll (LD) mill for multiple rolling passes. Titanium tubing in the deformation process with the mill's rotary as well as feeding, and gradually reduce the wall, reduce the diameter of the unit length of the pipe in a rolling passes generally after 5 to 10 times rolling, finishing to obtain the process requirements of the...
Titanium prices have risen sharply recently and are unstoppable
It is reported that by the titanium sponge and other raw material costs, as well as the downstream aviation demand increase and other factors, titanium leading recently significantly raised product prices, and the range is as high as 10%. The industry said that this move may play a positive role in boosting the secondary market. Data, titanium sponge market demand is relatively strong in recent stages, the product slightly oversupply. Offer, 0 grade titanium sponge mainstream offer reached...
Leading the way in high-temperature alloys
Recently, the field of materials science came exciting news, a series of high temperature alloys (High Temperature Alloys) technology breakthroughs and innovations are gradually emerging for the development of aerospace, petrochemical, energy and other key industrial sectors injected a strong impetus. High temperature alloys are a class of iron, nickel, cobalt as the basis, can be in the 600 ° C above the high temperature and a certain amount of stress under the role of long-term work, and...
Specific processes such as chrome plating, nickel plating and galvanizing
01-Galvanizing Definition: Zinc plating is a surface treatment technique to coat the surface of metals alloys or other materials with a layer of zinc in order to provide a beautiful appearance and prevent rust. Characteristics: Low cost, general corrosion resistance, silver-white color. Application: Screws, circuit breakers, industrial supplies, etc. zinc white colored zinc 02-Nickel Plating Definition: The method of plating a layer of nickel on metal or some non-metal by electrolytic or...
The history and development of ASTM (American Society for Testing and Materials), an important organization in the field of international standardization, profoundly reflects the growth of industry's need for standardization and quality control. The following is a further analysis of ASTM: Historical Background and Origins Antecedents: ASTM's predecessor was the International Association for Testing of Materials (IATM), a shift that reflected a shift from an international perspective to a more...
Classification of air pollutants
According to ANSI/ISA-71.04, airborne contaminants that affect the operation of equipment come in three forms: solid, liquid, and gas. Substances in each form that have a significant impact on circuit boards are described below: Solid Particles - Dust Dust usually contains chlorine ions, sulfate, nitrate, and other water-soluble salts. In addition to directly making the equipment inside the metal connector or metal contacts poor contact, but also in the metal surface to promote the formation of...
Hot salt stress corrosion of titanium flanges and titanium alloy flanges
Titanium flange despite good corrosion resistance, but in some environmental media may still be subject to corrosion and stress corrosion, which is more attention is first of all hot salt stress corrosion. Tests show that, in addition to pure titanium, almost all titanium flange in high temperature, stress and the presence of halides (such as NaF, NaCl, NaBr, NaI) under the working environment, have the same degree of hot salt stress corrosion tendency. For most alloys, hot salt stress...
Recently, the stainless steel wire (Stainless Steel Wire) market came positive signals, with the gradual recovery of the global economy and the growing demand for high-quality materials in various industries, the stainless steel wire market is ushering in a new round of growth momentum. Technological innovation and industrial upgrading have become the key factors to promote the continued prosperity of this market. As an important metal material, stainless steel wire rod plays an important role...
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