Chemical composition of Q345B Vs Q345D steel
The Q345D steel grade low alloy steel plate is composed of three parts: Chinese spelling letter representing yield strength, yield strength value, and quality grade symbol. Among them: the first letter of Chinese pinyin of “yin” of Q—steel yield strength;
Q245R steel Vs Q245R (R-HIC) steel
Q245R steel is an ordinary boiler plate, the current executive standard number: GB/T 713-2014, the current flaw detection executive standard: NB/T 47013.3-2015. Steel Q245R (R-HIC) is a hydrogen sulfide resistant plate.
What is the material of automobile high strength steel?
automobile high strength steel refers to Q460 grade S700MC steel, which has high strength, especially in normalizing or normalizing and tempering state with high comprehensive mechanical properties. Mainly used for large ships, bridges, power station equi
What is the SA203GrD steel?
ASME SA203 steel is a nickel alloy steel plate for pressure vessel, including A, B, D, E, F five grades (SA203GrA, SA203GrB, SA203GrC, SA203GrD, SA203GrE, SA203GrF) .SA203GrD steel has good impact toughness and mechanical properties under low temperatur
Hot rolled A302Gr.C alloy steel plate
A302Gr.C steel plate belongs to Mn-Mo and Mn-Mo-Ni alloy steel plates for pressure vessels. A302Gr.C implements ASTM A-302 / A-302M-2015 (standard American Society for Testing and Materials) A302Gr.C hot rolled plate 180mm thick is developed and produced
What is the smelting method for SA387Gr11CL2 steel
Smelting method for SA387Gr11CL2 steel:The electric furnace + refining outside the furnace and vacuum degassing smelting process can be used for secondary electroslag remelting smelting. The SA387Gr11CL2 steel plate shall be intrinsically fine grain kille
Differences between 12Cr1MoVR steel and 12Cr1MoV steel
12Cr1MoV steel belongs to alloy structural steel. Standard: GB / T3077-2015.12Cr1MoVR steel plate is a special steel plate for medium and high temperature pressure vessels, and implements GB713-2014 standard. 12Cr1MoVR steel plate adopts oxygen top-blow
What is the application of Q245R plate?
The Q245R plate is mainly used for pressure vessels. According to the use, temperature, and corrosion resistance, the material of the container plate should be different. Niobium, vanadium and titanium elements can be added to Q245R steel.
What are the features of 42CrMo alloy?
42CrMo alloy steel plate has high strength, hardenability, good toughness, small deformation during quenching, high creep strength and long-term strength at high temperature. 42CrMo alloy is mainly used to manufacture forgings that require higher strength
High strength 20CrMo alloy steel plate
What is the 20CrMo alloy?20CrMo alloy steel plate is ultra-high strength steel, with high strength and toughness, good hardenability, no obvious temper brittleness, high fatigue limit and multiple impact resistance after quenching and tempering, good lo
What is the composition features of Q420 alloy
Q420 material is a low alloy steel. Let’s have a brief introduction for its composition features.(1) Low carbon: Due to the high requirements for toughness, weldability and cold forming performance, its carbon content does not exceed 0.20%.
(2) Add all
Hot rolled plate VS cold rolled plate
Hot rolling and cold rolling are both steel plate or profile forming processes, and they have a great influence on the structure and properties of steel. The rolling of steel is mainly hot rolling, and cold rolling is usually only used to produce small-si
What does steel S355J2 stand for
S355J2 grade steel is a medium tensile, low carbon manganese steel which is readily weldable and possesses good impact resistance (also in sub-zero temperatures). It is a non-alloy structural steel to EN10025-2 2004. With its increase yield strength of S
What is the weldability of Q345B steel plate?
Due to the application of thermal cycling during welding, welding can significantly change the original microstructure of the welded area and the mechanical properties of the Q345B steel plate. The main problems when welding are cold cracks and loss of to
What are the features of Q345B steel in steel structure usage?
Q345B steel plate is used for various large component steel plates to obtain the final structure by welding, such as bridges, steel structures, ship hulls, storage tanks, and large diameter pipelines. In these applications, the performance requirements of