Duplex stainless steel 2205 is a duplex stainless steel composed of austenitic stainless steel and ferritic stainless steel, featuring excellent corrosion resistance and mechanical properties. Its yield strength is twice that of 300 series stainless steel, making it widely used in industries such as oil and gas, petrochemical, bridges, seawater desalination, and chemical tankers.

2025-11-20 admin 4

The Fujian Refining and Chemical Project has yielded fruitful results since its completion and commissioning. From January to November, Fujian Refining & Petrochemical Company achieved sales revenue of nearly 53 billion yuan, profits of nearly 800 million yuan, and taxes and fees of over 7 billion yuan.

2021-11-20 admin 3

In recent years, various graphite products such as graphite rods and graphite molds have become increasingly widely used, thanks to the superior properties of graphite. Next, let's take a look at what are the superior properties of graphite products. The porous structure of carbon makes it highly adsorbent, so carbon is often used as an adsorbent material for adsorbing moisture, odors, toxic substances,

2019-01-20 admin 7

1. Improper use of machining specifications, exceeding the current density tolerance of the discharge cross-section, and excessively small pulse intervals

The application of discharge energy is not arbitrary. To process faster, the current is applied larger. In the discharge machining criteria, it generally refers to the peak current, which is the current flowing through the discharge channel when the pulse is on.

2019-01-20 admin 8

The application of graphite heavy heat exchangers is quite extensive, and their use in the chemical industry is also indispensable. Graphite is used because it has acid resistance and excellent thermal conductivity. The graphite core is made into a straight and horizontally isolated block hole structure. When the two media pass through each other, the high-temperature medium continuously transfers heat to the graphite heat exchanger, and the low-temperature medium continuously obtains heat from the heat exchanger, completing the heat exchange.

2026-01-23 admin 4

In order to further enhance the awareness of safety hazard identification among all staff, Shanjian Anti corrosion Organization has recently launched a special training activity on safety hazard identification and safety awareness enhancement for all staff. The theme of this training is "Establishing Awareness of Safety Hazard Identification and Practical Investigation of Hazard Cases", covering all departments and frontline employees of the company. The aim is to strengthen the defense line of hazard investigation through theoretical explanations, practical exercises, and case analysis.

2026-01-23 admin 14

From July 4th to 6th, a delegation led by Mao Luping, Vice President of the China Non Metal Association, visited Hegang City to investigate the progress of Hegang City's certification as the "China Graphite Capital". Xie Diancai, Deputy Mayor of Hegang City, attended the report meeting on the 6th.

2026-01-23 admin 17

Most domestic shell and tube graphite heat exchangers use phenolic graphite pressed tubes, which are prepared by mixing and extruding artificial graphite powder and phenolic resin in a certain proportion. They are dense and do not require resin impregnation or surface machining, but the tank body itself must be completely cured, have a smooth surface, no cracks, no sand holes, etc.

2026-01-23 admin 2