Sep-23-2021
In winter, the outdoor temperature in many areas has reached below zero, but the oil tanks of underground gas stations generally maintain zero temperature. The temperature difference between the ground above and below makes the diesel fuel entering the ta
Sep-18-2021
The sluice gate / penstock is an important part of hydraulic structures, used to open or close the water discharge orifice, and plays a role in controlling the water level, adjusting the flow, and changing the flow channel.The main components of the sluic
Sep-17-2021
In the past two to three decades, domestic and foreign water conservancy and hydropower undertakings have developed vigorously. Penstock is an integral part of water conveyance structures in water conservancy and hydropower projects. When a steel pipe nee
Sep-17-2021
Basic information of carbon steel weldments:
Sheet metal material: carbon steel steel plates
Processing size / length * width * height: customized (mm)
Blanking method: shearing machine
Tolerance: 0.1Processing procedures: the processing procedures in
Sep-15-2021
The main features of steel forgings:
1. Large weight range. Forgings can be as small as a few grams to as large as hundreds of tons.2. Higher quality than castings. Forgings have better mechanical properties than castings, and can withstand large impact
Sep-13-2021
Steel forging is a processing method that uses forging machinery to apply pressure to metal blanks to produce plastic deformation to obtain forgings with certain mechanical properties, certain shapes and sizes. It is one of the two major components of for
Sep-09-2021
The bridge formwork is made up of three parts: the bottom mold, the outer mold, and the inner mold: the first is the bottom mold. The box girder can be poured with more than 530 tons of concrete at a time. In addition, the girder bridge template weighs mo
Sep-08-2021
As we all know, bridge steel formwork manufacturers need to pay attention to its thickness during the manufacturing process. This factor directly affects the subsequent construction and use. Therefore, it is necessary to pay attention to the thickness con
Sep-06-2021
We supply elliptical head, butterfly head, large diameter head, spherical head, pressure vessel head, boiler head, etc. with complete specifications and models and quality assurance.Maintenance steps of elliptical head:
1. The chloride ion content of wat
Sep-03-2021
Perforated metal plate refers to punching holes of different shapes on the same material to meet different needs. It can be used for environmental protection and noise control barriers in traffic and municipal facilities such as expressways, railways and
Sep-02-2021
The main factors affecting tubesheet corrosion are:
(1) Medium composition and concentration: the influence of concentration is different. For example, in hydrochloric acid, the greater the concentration, the more serious the corrosion. Carbon steel and
Sep-01-2021
The flat steel for automobile girder (longitudinal beam and cross beam) is usually low alloy hot rolled steel with thickness of 2.5-12.0mm. The shape of automobile girder is complex, which requires good stamping performance in addition to high strength an
Aug-31-2021
The single tank volume of oil storage tank is often very large, and the product quality requirements are also very high. In particular, the shell plates of large oil storage tanks are prefabricated and processed in the manufacturing plant, including arc r
Aug-30-2021
1. The same series of NP550 steel include NP370, NP450, NP500, etc.2. NP550 steel plate is based on the rare high-hardness and ultra-high-hardness special protective steel in China, and has developed a thin steel plate with high anti-elasticity, high stre
Aug-27-2021
1. Q420qDNH atmospheric corrosion resistant bridge steel plate chemical composition (mass fraction) /%: Grade C Si Mn Nb V Ti Cr Ni Cu N Al Mo Q420qNH ≤0.11 0.15-0.5 1.1-1.5 0.01-0.1 0.01-0.1 0.006-0.0
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