Sep-03-2021
Perforated metal plate refers to punching holes of different shapes on the same material to meet different needs. It can be used for environmental protection and noise control barriers in traffic and municipal facilities such as expressways, railways and
Sep-02-2021
The main factors affecting tubesheet corrosion are:
(1) Medium composition and concentration: the influence of concentration is different. For example, in hydrochloric acid, the greater the concentration, the more serious the corrosion. Carbon steel and
Sep-01-2021
The flat steel for automobile girder (longitudinal beam and cross beam) is usually low alloy hot rolled steel with thickness of 2.5-12.0mm. The shape of automobile girder is complex, which requires good stamping performance in addition to high strength an
Aug-31-2021
The single tank volume of oil storage tank is often very large, and the product quality requirements are also very high. In particular, the shell plates of large oil storage tanks are prefabricated and processed in the manufacturing plant, including arc r
Aug-30-2021
1. The same series of NP550 steel include NP370, NP450, NP500, etc.2. NP550 steel plate is based on the rare high-hardness and ultra-high-hardness special protective steel in China, and has developed a thin steel plate with high anti-elasticity, high stre
Aug-27-2021
1. Q420qDNH atmospheric corrosion resistant bridge steel plate chemical composition (mass fraction) /%: Grade C Si Mn Nb V Ti Cr Ni Cu N Al Mo Q420qNH ≤0.11 0.15-0.5 1.1-1.5 0.01-0.1 0.01-0.1 0.006-0.0
Aug-26-2021
1. 08Ni3DR steel plate implementation specification: GB/T 35312. 08Ni3DR steel description: 08: nominal carbon content is 0.08%, practical content does not exceed 0.10%; Ni3: Ni (nickel) nominal content is 3%, practical content is 3.25%-3.70% , DR means f
Aug-25-2021
1. Q355ND-Z35 steel plate chemical composition:
Carbon C: not more than 0.20
Silicon Si: not more than 0.5
Mn: 0.90-1.65
Phosphorus P: 0.030
Sulfur S: 0.030
Nb: 0.005-0.05
Vanadium V: 0.01-0.12
Titanium Ti: 0.006-0.05
Cr: not more than 0.30
Nick
Aug-24-2021
S460N-Z35 steel plate is a European standard steel with high strength, especially in the normalizing or normalizing and tempering state, it has higher comprehensive mechanical properties. S460N-Z35 performance specification: EN10025-3. Mechanical properti
Aug-24-2021
1. S355J2+N-Z15 steel plate is a European standard low-alloy high-strength steel plate, in which S refers to structural steel, and 355 refers to the yield strength at room temperature not less than 355Mpa. J2 requires -20℃ impact. As for the +N at the bac
Aug-20-2021
1. Steel plates for nuclear power plants include: Q205HD, Q230HD, Q250HD, Q275HD, Q345HD, Q420HD, 20MnHR, 16MnHR, 20HR, 16MnD5, 18MnD5, 20MnD5 and other vessel steel plates for nuclear power, low alloy high strength steel plates P265GH, P295GH, SA516gr60,
Aug-18-2021
1. In terms of the material Q420GJD, it is obvious that it is high-grade steel, executing the Chinese national standard GB/T 19879.2. Q420GJD construction steel heat treatment process includes: hot rolling, normalizing, normalizing and tempering, TMCP, TM
Aug-18-2021
1. 07MnNiMoDR steel sheet is a low-temperature vessel steel plate, the implementation standard is GB19189, usually in the state of quenching and tempering heat treatment. The impact temperature is -50 degrees.2. The performance characteristics of 07MnNiMo
Aug-16-2021
Q460qE steel material description:
Q stands for yield strength
460 represents the yield strength value
q means bridge use
E is the quality level, representing -40 degree impactThe implementation standard of Q460qE is GB/T 714, and the heat treatment p
Aug-13-2021
41Cr4 (1.7035) is a grade of alloy structural steel commonly used internationally. Its tensile strength, yield strength and hardenability are all higher than that of No. 40 steel, but it also has certain defects that its weldability is limited and there i
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