Stainless stee
Stainless steeIt has lower linear coefficient than austenitic stainless steel and is close to carbon steel. It is suitable for connection with carbon steel and has important engineering significance, such as the production of composite plate or lining.
The folded stainless steel hot rolled strip is hot rolled into a strip with a thickness of 80mm-00mm and a width of 50mm-1200mm.
.Refining and transportation industries are in great demand. Secondly, geological drilling, chemical industry construction industry, machinery industry, aircraft and automobile manufacturing, boiler, medical equipment furniture and bicycle manufacturing also need a large number of various steel pipes. With the development of new technologies such as atomic energy, rocket, missile and aerospace industry, stainless steel pipe plays an increasingly important role in national defense industry, science and technology and economic construction.
Stainless steel water supply pipe is a healthy, economic, sanitary and energy-saving water pipe, whether it is for household or large engineering buildings
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The thickness of cold rolled steel strip is ultra-thin, and the thickness of hot rolled steel strip is large.
High pressure water jet cutting (professional water cutting: Shanghai Xinwei)
The application of stainless steel pipe in the automobile industry is developing rapidly. In recent ten years, stainless steel pipe materials have been widely used in public transportation tools such as buses, subways, high-speed railway vehicles, household cars and so on!
During welding, the process of ventilation in advance and gas stop behind shall be adopted, it is not easy to be damaged, so this welding can well ensure that the inner side of the weld is filled with argon and its purity, so as to effectively ensure that the metal on the inner side of the weld is not oxidized and ensure the quality of weld backing welding.
The Chinese brand cold rolled non oriented silicon steel strip (sheet) represents: DW + 100 times of iron loss value (at the frequency of 50Hz, the waveform is sinusoidal, and the magnetic induction peak is 5T per unit weight iron loss value) + 100 times of thickness value. For example, dw470-50 represents cold rolled non oriented silicon steel with iron loss value of 7W / kg and thickness of 0.5mm. Now the new model is represented as 50W470.
market.(IV) high level operation of steel plant and social inventory. The contradiction between market supply and demand spread to the circulation field, and the domestic steel inventory continued the growth trend at the end of the previous year. On March 15, it reached a historical high of 22.52 million tons, an increase of 3.51 million tons over the previous high, including 14.32 million tons of construction steel inventory, accounting for 66% of the total inventory. After that, with the increase of seasonal consumption, the inventory gradually fell back to 15.4 million tons on July 26. The oversupply in the market also pushed up the inventory of steel mills. In mid March, the steel inventory of key enterprises reached a historical record, reaching 14.51 million tons,310S stainless steel industrial pipe, a year-on-year increase of 27%. In late June, it fell to 12.68 million tons, still an increase of 29% over the beginning. Professional stainless steel plate, stainless steel belt,Stainless steel 304 water pipe, stainless steel pipe and other products have a complete variety and sell well at home and abroad. The equipment has a long service life! Products lead the industry in wire products. Welcome to inquire. An increase of 4% over the same period in 2012.
SPCDSPCD—& mdash; Cold rolled carbon steel sheet and strip for stamping, equivalent to China 08Al (1323) high quality carbon structural steel.
It is generally suitable for the welding of thin plates below 6mm, with the characteristics of beautiful weld formation and small welding deformation.
There are 45 kinds of hot rolled (hot) steel pipes with a diameter of 54 ~ 480mm, 36 kinds of wall thickness of 5 ~ 45mm 65 kinds of cold drawn (rolled) steel pipes with a diameter of 6 ~ 200mm and 39 kinds of wall thickness of 0.5 ~ 21mm.
Good quality.The resistance, thermal conductivity, quality, hot melt and magnetism of stainless steel pipe will change greatly at low temperature. Resistance,2Cr13 stainless steel strip, line coefficient decreases at low temperature; The thermal conductivity and mass heat capacity decrease sharply at low temperature; Young's modulus (longitudinal modulus) increases when the temperature decreases. Because the austenitic series stainless steel pipe has MS point (martensite start temperature or martensite formation temperature) at low temperature (subzreo temperature), martensite can be formed when it is kept below MS point. The formation of martensite at low temperature makes the representative steel sus (18Cr-8Ni) of austenitic stainless steel non-magnetic at room temperature and magnetic at low temperature.
Model 309 & mdash; It has better temperature resistance.
mdash; Martensitic precipitation hardening stainless steel.
.Cold rolled steel strip shall be delivered in the state of heat treatment (annealing, normalizing and tempering after normalizing), and shall be delivered smoothly.
The surface of the steel strip in the state of supply shall be rough or bright.
The thickness of cold rolled steel strip is ultra-thin, and the thickness of hot rolled steel strip is large.