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Quenched and Tempered Steel Plate
Thickness: 4mm - 160mm
Standard: ASTM A517
Heat treatment: Quenched and tempered
Shanghai Metal Corporation is a professional manufacturer and supplier of Quenched and Tempered Steel Plate with high quality and reasonable price.
The manufacturing process of A517 marine engineering steel plate is very strict, requiring multiple processes and heat treatment. Firstly, high-quality steel billets are used as raw materials, and after pre-treatment such as cutting, straightening, and shot blasting, heating, rolling, and cooling processes are carried out. During the rolling process, precise control of temperature and rolling speed is required to ensure the quality and performance of the steel plate. Finally, heat treatment and surface treatment are carried out to improve the corrosion resistance and high strength of the steel plate. The main use is in the fields of ships, oil platforms, bridges, construction, and heavy industry. This high-strength steel plate has many advantages, such as high strength, strong corrosion resistance, excellent cutting ability, and high-temperature performance, making it an indispensable material in various industries.
If you want to know more about Quenched and Tempered Steel Plate price please feel free to contact us, we will reply you within 24 hours
Technical Information of Quenched and Tempered Steel Plate:
|
Chemical Composition （ %） |
||||||||
|
Element |
Grade A |
Grade B |
Grade E |
Grade F |
Grade H |
Grade P |
Grade Q |
Grade S |
|
C |
0.15-0.21 |
0.15-0.21 |
0.12-1.20 |
0.10-0.20 |
0.12-0.21 |
0.12-0.21 |
0.14-0.21 |
0.10-0.20 |
|
Mn |
0.80-1.10 |
0.70-1.00 |
0.40-0.70 |
0.60-1.00 |
0.95-1.30 |
0.45-0.70 |
0.95-1.30 |
1.10-1.50 |
|
P |
≤0.025 |
≤0.025 |
≤0.025 |
≤0.025 |
≤0.025 |
≤0.025 |
≤0.025 |
≤0.025 |
|
S |
≤0.025 |
≤0.025 |
≤0.025 |
≤0.025 |
≤0.025 |
≤0.025 |
≤0.025 |
≤0.025 |
|
Si |
0.40-0.80 |
0.15-0.35 |
0.10-0.40 |
0.15-0.35 |
0.15-0.35 |
0.20-0.35 |
0.15-0.35 |
0.15-0.40 |
|
Ni |
… |
… |
… |
0.70-1.00 |
0.30-0.70 |
1.20-1.50 |
1.20-1.50 |
… |
|
Cr |
0.50-0.80 |
0.40-0.65 |
1.40-2.00 |
0.40-0.65 |
0.40-0.65 |
0.85-1.20 |
1.00-1.50 |
… |
|
Mo |
0.18-0.28 |
0.15-0.25 |
0.40-0.60 |
0.40-0.60 |
0.20-0.30 |
0.45-0.60 |
0.40-0.60 |
0.10-0.35 |
|
B |
0.0025 max |
0.0005-0.005 |
0.001-0.005 |
0.0005-0.006 |
0.005 min |
0.001-0.005 |
… |
… |
|
V |
… |
0.03-0.08 |
|
0.03-0.08 |
0.03-0.08 |
… |
0.03-0.08 |
… |
|
Ti |
… |
0.01-0.05 |
0.005-0.11 |
0.11 max |
0.11 max |
0.11 max |
… |
0.07 max |
|
Zr |
0.04-0.16 |
… |
… |
… |
… |
… |
… |
… |
|
Cu |
… |
… |
… |
0.15-0.50 |
… |
… |
… |
… |
|
Nb |
… |
… |
… |
… |
… |
… |
… |
0.06 |
|
Mechanical Property |
|||||
|
Thickness |
≤65mm |
>65mm |
Heat Treatment |
||
|
Tensile strength Ksi (Mpa) |
115~135 |
795~930 |
105~135 |
725~930 |
Quenched and Tempered |
|
Yield strength min Ksi (Mpa) |
100 |
690 |
90 |
620 |
|
|
Elongation(L=50mm)% |
16 |
16 |
14 |
14 |
|
Packaging of Quenched and Tempered Steel Plate:
Products of Shanghai Metal Corporation are packed and labeled according to the regulations and customer's requests. Great care is taken to avoid any damage which might be caused during storage or transportation. In addition, clear labels are tagged on the outside of the packages for easy identification of the product I. D. and quality information.
1)SMC Standard
2)Customization
Notes:
1.Selection of welding materials: Welding materials with similar chemical composition and strength grade to the base material should be selected to ensure the performance and quality of the welded joint. Common welding materials include welding rods, welding wires, and filler metals.
2.Preheating treatment: Due to the good quenching degree and high-temperature strength of the steel plate, preheating treatment is required to prevent defects such as cracks during the welding process. The preheating temperature is generally controlled between 150-200 ℃, and the preheating time is determined based on the thickness of the steel plate and the actual situation..
3.Welding process: Select the appropriate welding process according to the specific situation, such as manual arc welding, gas shielded welding, etc. When welding, it is necessary to control welding parameters such as current, voltage, welding speed, etc. At the same time, attention should be paid to protecting the welding area from oxidation and contamination, and appropriate protective measures should be taken.
4.Post weld heat treatment: In order to ensure that the welded joint has good comprehensive mechanical properties, post weld heat treatment is required. The post weld heat treatment temperature is generally controlled between 600 and 650 ℃, and the insulation time is determined according to the actual situation. At the same time, it is necessary to pay attention to controlling the cooling rate to avoid defects such as cracks
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