After the quenching and tempering treatment of 42CrMo4 steel, the inspectors found several small crack defects when visually inspecting the surface quality of 4
After adding phosphorus, copper, chromium, nickel and other trace elements to the Corten B steel, the surface of the steel will form a dense and highly adhesive protective film
Before weathering treatment, we must consider the following three points:
a.The following conditions are not suitable for weathering treatment of Corten B: (1)
A709Gr50 steel plate is a low-alloy high-strength steel plate and is an American standard steel plate for bridges. A709Gr50 steel plate is widely used in the ma
ST37 is a commonly used grade of carbon steel plate known for its good strength and durability. Here are some key aspects of ST37 steel plate specification:1. S
ST52 steel sheet does not generally require any special fabrication techniques. It can be readily fabricated using standard manufacturing processes and techniqu
Q345B large-diameter seamless steel pipe is a long steel material with a hollow cross-section and no joints that is processed by rolling or cold drawing with se
After the Q345B seamless steel pipe is welded, the thermal hardness test of the weld should be carried out. The evaluation standard is that the thermal hardness
A285 GrC is named according to the content of C (carbon) and Mo (molybdenum), which means that the carbon content of this steel plate is about 0.16%, and the co
In the quenching and cooling process of normal quenching and tempering treatment of 42CrMo4 steel, oil cooling quenching or water quenching oil cooling quenchin
Perhaps you know what kind of material S355N is, but do you know any knowledge about hot rolling and flaw detection of S355N?Hot rolling of S355N steel plate:
S
S355N steel plate is a high-strength low-alloy structural steel plate with good strength, toughness and corrosion resistance. Due to its excellent mechanical pr
SM490YB belongs to a low-alloy high-strength steel, which has the characteristics of good weldability, good plasticity, strong cold and hot deformation ability.
The production process of SM490YB steel plate generally include the following steps:
1. Raw material preparation. Firstly, raw materials for smelting need to be
Steel plate cutting generally refers to the process of mixing industrial gas and oxygen to reach the cutting temperature, melting, blowing slag and dividing the
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
In order to produce high-quality S355MC steel, every step has strict requirements. Let's briefly understand the production process of S355MC steel and focus
Due to the sensitivity of S355MC steel to high temperature, what is the advantage of lowering the rolling temperature for S355MC steel during hot rolling?(1)Red
Steel Q345 plate offers reliable strength and exceptional quality, making it a preferred choice for various applications. With its robust properties, Q345 plate
Quenching can improve the plasticity and toughness of 30CrMo steel and reduce its brittleness, but it often inevitably reduces the strength and hardness of 30Cr
30CrMo steel belongs to pearlitic heat-resistant steel. It is mainly composed of chromium and molybdenum alloying elements. The alloying element chromium can fo
Carburizing is a heat treatment process in which steel is placed in a medium with sufficient carbon potential and heated to an austenite state and kept warm to
ASTM A242 steel and A588 are both high-strength, low-alloy structural steels used in a variety of outdoor applications. While both offer excellent resistance to
A242 steel plate is a high-strength, low-alloy structural steel plate used in a variety of outdoor applications. It is highly resistant to atmospheric corrosion
In order to improve the strength and formability of HP325 steel and make the products meet the standard requirements, it is essential to design an accurate proc
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