After the SA192 seamless steel pipe is welded, the thermal hardness test of the weld should be carried out. The evaluation standard is that the thermal hardness
SA192 seamless steel pipe belongs to hot-rolled and normalized steel, and its main structure is ferrite + pearlite. SA192 seamless steel pipe has high hardness
(1) The high weld seam reinforcement of SA192 seamless steel pipe makes the primary wave flaw detection impossible, and only the triple wave flaw detection can
1. Raw materials
Some SA192 seamless steel pipe factories will choose round steel produced by small steel factories for processing in order to save costs, but t
Among the many factors of affecting the non-metallic inclusions in SS540 molten steel, the weak stirring of SS540 molten steel and the sedation time of SS540 mo
What should we do when the SS540 steel plate is rusted? Don't worry, there are three treatments to choose from: pickling, shot blasting and polishing.Pickli
Perhaps you know what kind of material S460ML is, but do you know any knowledge about hot rolling and flaw detection of S460ML?Hot rolling of S460ML steel plate
S460ML steel plate is a material used in structural engineering. Its materials include carbon, silicon, manganese, sulfur, phosphorus, chromium, copper, molybde
Since the Cu element is easily enriched at the crystal boundary, it will cause thermal brittleness during hot processing, forming network cracks on the surface
·Good corrosion resistance: Q235NH steel contains more copper, chromium, nickel and other alloying elements, which can form a dense passivation layer to
According to the sources, the inclusions in X56 pipeline steel can be divided into two categories: endogenous and exogenous. Among them, the endogenous inclusio
The way to control non-metallic inclusions in X56 pipeline steel is to reduce the generation of inclusions during the smelting and pouring process and the pollu
Inclusions in X56 pipeline steel mainly exist in the form of non-metallic compounds, such as oxides, sulfides, nitrides, etc. Non-metallic inclusions have a gre
Q460C steel plate is a high-strength low-alloy steel plate that is commonly used to manufacture structural components and mechanical parts such as bridges, ship
The design application temperature of Q460C steel plate is generally between -20℃ and 400℃. During use, the most appropriate operating temperature range shoul
Q460C steel plate is a high-strength structural steel plate. It is mainly used in the machinery manufacturing industry. For example, it is used to manufacture c
35CrMnSiA alloy steel is a low-alloy high-strength steel mainly composed of carbon (C), manganese (Mn), silicon (Si) and chromium (Cr) and other elements. The a
Impact test equipment for 35CrMnSiA steel:
1. Impact testing machine: A device used to apply impact loads, capable of controlling impact energy and impact speed
35CrMnSiA alloy steel is an important structural steel and is widely used in the manufacturing of engineering machinery, auto parts, aerospace devices and other
In order to produce high-quality S460MC steel, every step has strict requirements. Let's briefly understand the production process of S460MC steel and focus
Due to the sensitivity of S460MC steel to high temperature, what is the advantage of lowering the rolling temperature for S460MC steel during hot rolling?(1)Red
When building rail vehicles, during the process of processing, assembling, and welding the components of each part of the car body, due to the existence of stre
Technical advantages of SA387Gr11CL2 clean steel: first-class steelmaking equipment, exquisite out-of-furnace refining technology, supplemented by VD furnace va
Technical advantages of SA387Gr11CL2 thick plate TMCP process: The researched and developed thick plate TMCP process adopts micro-alloying technology, which not
The chemical composition, grain size and non-metallic inclusions of SA387Gr11CL2 steel should be strictly controlled when ordering materials and welding consuma
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