Heat treatment process of 20MnCr5 steel plate: 900℃ oil quenching + 870℃ oil quenching, 200℃ tempering.Use of 20MnCr5 steel plate: it can be used as carburiz
Grade classification of AS3678 steel plate: AS3678-250, AS3678-300, AS3678-350, AS3678-400, AS3678-450AS3678-400 and AS3678-450 steel plates are structural carb
What are the differences between ship plate and ordinary steel plate?
First, compared with ordinary steel plates, the thickness of the ship plate should be thic
Q500qENH-Z15, Q500qENH-Z25 and Q500qENH-Z35 steels shall be processed by converter or electric furnace, and shall be refined outside the furnace.Q500qENH-Z15, Q
Q355NHB-Z15, Q355NHB-Z25 and Q355NHB-Z35 are weathering steels but also belong to low alloy series. The letter Q is the letter of yield; The number 355 refers t
DH500 steel plate belongs to high strength ship and marine structural steel plate. From the development of high strength ship plate in the world today, low carb
Material classification
SA387 Gr11 steel plate: 14Cr1MoR, SA387 Gr11 Cl1, SA387 Gr11Cl2, 1.25Cr-0.5Mo, 1.25Cr-0.5Mo-Si
SA387 Gr12 steel plate: 15CrMoR, SA387 Gr
Executive standard of Q390GJC construction steel plate: GB/T 19879.Q390GJC steel plate flaw detection level: class I detection, class II detection, class III de
Q420NC steel plate is a low alloy high-strength structural steel plate for general structure and engineering. The executive standard: GB/T1591-2018. The size, s
High rise building steel is a major category of carbon steel materials. As soon as you see GJ, you can know that the material type is high rise building steel.
The steel materials used for building structures are relatively special, and the performance requirements of thick plates are strict. Generally, thick plates re
Q370qNH series materials include Q370qDNH, Q370qENH and Q370qFNH weathering bridge steel.Z-direction performance steel includes: Q370qDNH-Z15, Q370qDNH-Z25, Q37
Application of Q690qD Q690qE Q690qF bridge steel:
With the increasing number of railway bridge projects, highway bridge projects and sea crossing bridges, more
50# steel is a medium carbon high-strength carbon structural steel with medium machinability, low cold deformation plasticity, poor weldability, no temper britt
Q390 steel plate is a low alloy high strength structural steel. Similiar material: Q420, Q460, Q500, Q550, Q690, Q890, Q960. The steel grade is composed of thre
While steel demand related indicators are growing steadily, China's domestic steel market is still under heavy supply pressure.Especially in the second half
Characteristics of 15CrMoR vessel plate:
1. Steel purity: P 0.010%, S 0.005%, [N] 70ppm, [O] 15ppm, [H] 2ppm, 20ppm of total inclusions in steel.
2. Good toughn
12Cr1MoV steel plate is mainly used after normalizing and high temperature tempering to manufacture superheated steel pipes, conduits, serpentine tubes and othe
13MnNiMoR-Z15, in which 13 is the carbon content component of 0.13%, Mn is the chemical element manganese, Ni is the chemical element nickel, Mo is the chemical
C45 steel is a high-quality carbon structural steel, which is widely used in machinery manufacturing. The mechanical properties of C45 steel are very good, and
SA299 is a carbon manganese silicon steel plate for pressure vessels. The steel produced according to SA299 standard has two GrAdes: SA299 GrA and SA299 GrB. Th
Chemical composition of S355J2 carbon steel plate
C: 0.15-0.18%, Si: 0.30-0.50%, Mn: 1.30-1.50%, P ≤ 0.015%, S ≤ 0.004%, Cr ≤ 0.30%, Ni ≤ 0.50%, Mo
Q345GJZ is a special steel plate for high-rise building structures that must have Z direction (Z12, Z25, Z35).Q345GJ is a structural steel for high-rise buildin
Excellent welding performance of Q960 quenched and tempered steel: during composition design, carbon content and thermal sensitivity coefficient are greatly red
Q960 belongs to quenched and tempered high-strength steel. Q960 steel is applicable to high-strength structural steel plates with a thickness of no more than 15
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