Industrial News
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How to deal with the revers of spiral steel pipe
How to deal with the revers of spiral steel pipe Along a straight line or curve or flat portion of the curved portion of sheet metal bent into upstanding flange stamping method. Flanging type:According to the nature of the deformation, it can be divided into elongated cuffs and compression type f...Daha çox oxu -
NDT Testing
NDT testing means without prejudice or affect the detected object performance, not hurt at being provided to detect objects within the organization, the use of material internal structural abnormalities or defects heat, sound, light, electricity, magnetism and other reactions caused by changes to...Daha çox oxu -
Crack detection
Weld cracks in a pressure vessel are mostly belonging delayed cold cracking and the distribution is very broad. In the process of the pressure vessel manufacturing and field compound by special attention, but because of its “delay”, under the action of restraint stress, often in a yea...Daha çox oxu -
Hot forging and cold forging
Hot forging means forging blank metal above the recrystallization temperature carried out. Features: reducing the deformation resistance of metals, thus reducing bad forging force needed to deform the material, so that greatly reduced the tonnage forging equipment; altering the structure of ingot...Daha çox oxu -
Effect of steel composition on the zinc coating
When the meter steel workpieces, the selection of steel, usually the main consideration is: the mechanical properties (strength, toughness, etc.), processing performance and cost. But for galvanized parts, the composition of the selection of materials, the quality of the hot-dip galvanizing has g...Daha çox oxu -
Common Arc Welding Process-Submerged Arc Welding
Submerged arc welding (SAW) is a common arc welding process. The first patent on the submerged-arc welding (SAW) process was taken out in 1935 and covered an electric arc beneath a bed of granulated flux. Originally developed and patented by Jones, Kennedy and Rothermund, the process requires a c...Daha çox oxu -
China Continues to Drive Crude Steel Production in September 2020
World crude steel production for the 64 countries reporting to the World Steel Association was 156.4 million tonnes in September 2020, a 2.9% increase compared to September 2019. China produced 92.6 million tonnes of crude steel in September 2020, an increase of 10.9% compared to September 2019. ...Daha çox oxu -
Global crude steel production increased by 0.6% year-on-year in August
On September 24, the World Steel Association (WSA) released August’s global crude steel production data. In August, the crude steel output of 64 countries and regions included in the World Steel Association’s statistics was 156.2 million tons, an increase of 0.6% year-on-year, the fir...Daha çox oxu -
China’s post-coronavirus construction boom shows signs of cooling as steel output slows
A surge in Chinese steel production to meet a post-coronavirus infrastructure building boom may have run its course for this year, as steel and iron ore inventories pile up and demand for steel declines. The fall in iron ore prices over the past week from a six-year high of nearly US$130 per dry ...Daha çox oxu -
Japan’s carbon steel exports in July fell 18.7% year-on-year and increased 4% month-on-month
According to data released by the Japan Iron & Steel Federation (JISF) on August 31, Japan’s carbon steel exports in July fell 18.7% year-on-year to around 1.6 million tons, marking the third consecutive month of year-on-year decline. . Due to the significant increase in exports to China, Jap...Daha çox oxu -
China’s rebar price down further, sales retreat
China’s national price for HRB 400 20mm dia rebar dipped for the fourth straight day, down another Yuan 10/tonne ($1.5/t) on day to Yuan 3,845/t including 13% VAT as of September 9. On the same day, the country’s national sales volume of major long steel products comprising rebar, wire rod and ba...Daha çox oxu -
The Brazilian Steel Association says the capacity utilization rate of the Brazilian steel industry has risen to 60%
Brazilian Iron and Steel Industry Association (Instituto A?O Brasil) stated on August 28 that the current capacity utilization rate of the Brazilian steel industry is about 60%, higher than the 42% during the April epidemic, but far from the ideal level of 80%. Brazilian Steel Association Preside...Daha çox oxu