·Good corrosion resistance: Q355GNH steel contains more copper, chromium, nickel and other alloying elements, which can form a dense passivation layer to
The continuous casting process is fully protected, and steel plate mold slag for container steel is added to the crystallizer.Q355GNH steel is prone to breakout
EH36 is a high-strength shipbuilding plate, which implements classification society standards: China CCS, American ABS, German GL, French BV, Norwegian DNV, Jap
The main factors affecting the toughness of the weld for EH36 Steel are: the chemical composition of the base metal, the plate thickness, the welding method of
The essence of the controlled rolling and controlled cooling process of EH36 Steel is to combine deformation and heat treatment. Its main purpose is to refine t
S275JR steel plate is the most common European steel plate material and has a wide range of uses. S indicates the grade of the European standard steel plate - 2
The way to control non-metallic inclusions in X70 pipeline steel is to reduce the generation of inclusions during the smelting and pouring process and the pollu
Do you know about the hot rolling and flaw detection of S275J0?Hot rolling of S275J0 steel plate:
S275J0 is usually delivered in hot-rolled state, while S275J0
A514GrB steel plate is a high-strength steel plate with excellent compression resistance, heat resistance and impact resistance. Its good corrosion resistance,
A514GrB steel has a higher carbon content than low-carbon steel, and it is considered as low-alloy steel. It is not advisable to directly heat-treat A514GrB ste
A588GrA steel plate is a low carbon steel with good corrosion resistance. Its anti-corrosion performance is composed of rich chromium, manganese, copper and sil
Q355NH corten steel is a type of weathering steel that possesses excellent corrosion resistance and durability in harsh environments. It can withstand exposure
Steel sheet S355J2W is a high-strength, low-alloy structural steel that offers excellent corrosion resistance and aesthetic appeal. Its weathering properties ma
X80 pipeline steel has very strict requirements on the control of harmful elements and inclusions in the steel. In production, the production process of refinin
The performance of X70 pipeline steel mainly depends on its chemical composition and structure. Inclusions in X70 pipeline steel mainly exist in the form of non
In the fierce market competition, all oil companies in the world are constantly looking for ways to reduce costs and improve efficiency.In the investment of pip
With the improvement of quality requirements for rolled products, and the application of new technologies and equipment, it could be changed in every step of ro
Among the many factors of affecting the non-metallic inclusions in SM570 molten steel, the weak stirring of SM570 molten steel and the sedation time of SM570 mo
Pickling: The process of using acid solution to remove scale and rust on the surface for SM570 steel plate is called pickling. It is a method of cleaning the me
It is easy to produce a hardened structure, if the cooling rate of P235GH steel is too fast during welding, and the interlayer brittleness increases, it will le
When the production is completed, what are the acceptance criteria for the surface of the P235GH steel plate?1. The surface of P235GH steel plate should be free
It is inevitable that there will be different problems in the production process of the steel plate. What defects may appear on P235GH steel plate?(1) Cracks. I
When the welding process of X80 pipeline steel is unreasonable, or the number of inclusions in the base metal is large, the shape and distribution are uneven, c
According to the sources, the inclusions in X70 pipeline steel can be divided into two categories: endogenous and exogenous. Among them, the endogenous inclusio
·Different standards
a.API5CT: It is an oil casing standard issued by the American Petroleum Institute.
b. API5L: refers to API 5L line pipe, which is th
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