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
There are three reasons for the surface wrinkle of HP325 steel plate:1.There are obvious banded structures in HP325 steel. Due to uneven cooling, the cooling ra
Controlled rolling is an important means to improve the strength and toughness of HP325 steel. It is widely used in industrial production because it has the fol
The main factors leading to the fracture failure of DH36 steel plate are the serious center segregation and center porosity of the slab, and the presence of abn
·Carbon
The key performance index of DH36 steel plate is the low temperature impact toughness of DH36 steel plate, which requires the impact energy at -2
DH36 steel plate is easily corroded by seawater in the marine environment, so measures need to be taken for corrosion protection. Commonly used anti-corrosion m
30CrMo steel is a heat-resistant steel with pearlite structure, which has high thermal strength (δb≥440MPa) and oxidation resistance at high temperatur
For the rolling of 30CrMo steel plate, the following standard requirements need to be met:
(1) Deviation requirements for thickness, width and length
The thickn
1. Cracks appear on the surface of 30CrMo steel after carburizing
Reason:
a.The concentration of surface penetration layer for 30CrMo steel is too high.
b.30CrM
Cooling of SG255 steel adopts two-stage cooling process. The degree of supercooling can be increased through a period of cooling. When SG255 steel is cooled to
In the manufacturing process, controlling the inclusions and gas content in SG255 steel is the key to welding steel cylinders, and the purity of SG255 molten st
There are many welding methods for gas cylinders, commonly used are electrode arc welding, submerged arc welding, argon tungsten arc welding, and melt inert-gas
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