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What are the classifications of stainless steel?
1. Austenitic stainless steel Austenitic stainless steel refers to stainless steel with austenitic structure at room temperature. When the steel contains about 18% Cr, 8% ~ 25% Ni and 0.1% C, it has stable austenite structure. Austenitic chromium nickel stainless steel includes famous 18Cr-8Ni st...Read more -
Precautions for maintenance of stainless steel elbow
Stainless steel elbows will not produce erosion, pitting, corrosion or wear. Stainless steel is still one of the building metal materials. Because stainless steel has good corrosion resistance, it can effectively maintain the integrity of engineering design of structural components. Chromium cont...Read more -
Basic Knowledge of Oil Casing
Casing is a kind of large-diameter pipe, which plays the role of fixing the oil and natural gas well wall or well hole. The casing is inserted into the borehole and fixed with cement to prevent the borehole from separating the rock stratum and borehole collapse, and ensure the cyclic movement of ...Read more -
What is the main function of the flange?
The flange is not a high-pressure flange and is applicable to low pressure, such as engineering construction, air conditioning water system, etc. Flange is often referred to as a screw thread product. For example, the pipe fittings on tap water used at home are screw thread. It is often used in e...Read more -
Alloy Tubes Knowledge
Alloy steel pipe is mainly used for high-pressure and high-temperature pipelines and equipment such as power plant, nuclear power, high-pressure boiler, high-temperature superheater and reheater. It is made of carbon steel, alloy structural steel and stainless heat-resistant steel through hot rol...Read more -
Seamless Steel Tube Knowledge
Seamless steel pipe with hollow section, a large number of used for conveying fluid pipeline, such as conveying oil, natural gas, gas, water and some solid material pipeline. Manufacturing methods: According to different production methods, it can be divided into hot rolled tube, cold rolled tube...Read more -
The price of square rectangular tubes nationwide adjusted slightly, and the transaction was average
【Market Summary】 On the 7th, the price of square rectangular pipes nationwide was slightly adjusted, and the strip steel price was adjusted. The pipe factory had no price adjustments. Some specification merchants sold goods upside down. According to the feedback of traders, today’s shipments we...Read more -
Next week, the domestic steel market prices may maintain a low level and fluctuate.
Seamless pipes: According to the survey (34 sample seamless pipe factories), the ex-factory prices of seamless pipe factories across the country have been partially lowered this week. As of this Friday, the quotations of some seamless pipe factories have fallen by 50-300 yuan/ton. Due to the rela...Read more -
Market mentality slightly warmed, steel prices may fluctuate strongly next week
The spot market price fluctuated within a narrow range this week. Affected by the disk rebound, the spot market rebounded slightly in the second half of the week, and low inventories supported prices. However, the current market demand is still poor, and price increases are under pressure. ...Read more -
Steel stocks have dropped by 880,000 tons, and steel prices are still rising locally
On December 2, the domestic steel market went up and down, and the ex-factory price of Tangshan Pu’s billet remained stable at 4,290 yuan/ton. In the early trading, black futures generally rose, and some spot markets continued to rise. In the afternoon, crude and fuel futures fell significa...Read more -
Black futures have risen sharply, and the room for steel prices to rise may be limited
On December 1, the domestic steel market mainly rose, and the ex-factory price of Tangshan billet remained stable at 4,290 yuan/ton. In terms of transactions, the market has a general trading atmosphere, just need to purchase on-demand, and there is little speculative demand. On the 1st, the clos...Read more -
Black futures are red across the board, and the decline in steel prices slows
On November 30, the price decline in the domestic steel market narrowed, and Tangshan Pu’s billet held steady at RMB 4,290/ton. In the early trading, the futures market was weak and fluctuating, and it did not rise until the end of the trading session. The market trading sentiment was more ...Read more