• The production of hydrogen 15CrMoR steel System 1
  • The production of hydrogen 15CrMoR steel System 2
The production of hydrogen 15CrMoR steel

The production of hydrogen 15CrMoR steel

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Hydrogen 15CrMoR (H) containing WYJ testing, heat treatment, is more than or equal to -10 DEG C impact work, all the fixed ruler, all properties, electro slag, big ingot      

Hydrogen 15CrMoR, 15CrMoR (H) technical conditions of steel plate production

1 the use of range from Wuyang steel quality management department

The technical conditions applicable to the medium temperature pressure vesselpressure components with less than 150mm thickness of the steel plate.

2 normative references GB713-2008

In 3 dimensions, shape, weight and permissible deviations

3.1 steel plate size, shape and tolerances shall comply with the provisions of GB/T709. 3.2 thickness deviation according to B class or the C GB/T709 class in the contract execution, Naka A.

3.3 plate theoretical weight delivery, theoretical weight the maximum thickness ofsteel plate thickness is permitted and the minimum thickness of the arithmetic mean value. The density of steel 7.85g/ cm 3

The chemical composition of steel requirements, shall be in accordance with the provisions of table 1. Table 1 chemical composition of Wt% components

C Si Mn P  Analysis of the S Max Cr Mo melting

0.12~ ~ ~ ~ ~ ~ 0.18 0.15 0.40 0.40 0.70 0.010   0.010

Analysis of 0.8 ~ 1.2 0.45 ~ 0.60 of the finished product

0.10~ ~ 0.20    0.13 ~ ~ 0.43    0.37 ~ ~ 0.73   0.012   0.010    0.75 ~ ~ 1.25    0.43 ~ ~ 0.62

Analysis of Ni Cu Sb* Sn* component of As* Max [H]* melting

Analysis of 0.20 and 0.20 is less than or equal to 0.003 is less than or equal to 0.015 and 0.016 2ppm products

0.20   0.20  0.003   0.015   0.016

Less than or equal to 2ppm

Note: (1) melting analysis should be per furnace (tank), sampling, analysis of products (including the X coefficient) according to Zhang sample delivery. (2) with "*" the element record analysis results. [H] under the premise of ensuring meltinganalysis, but not for the product analysis. Methods: 4.2 smelting by electric furnace+ refining outside the furnace, and through smelting process vacuum degassing.The plates shall be fine grain steel. 4.3 delivery state: steel plate to normalizing + tempering (allows accelerated cooling) delivery. 4.4 mechanical properties, shallcomply with the provisions of table 2. Table 2 project numerical unit room temperature tensile Rm

Thickness is less than or equal to 100mm 450~~590 MPa

>100~150mm 440~~580 room temperature tensile Rp0.2 less than 100mm thickness greater than 295 MPa

>100~150mm

255

Methods: using electric furnace smelting furnace refining, and through + vacuum degassing of the smelting process. The plates shall be fine grain steel. 4.3 delivery state: steel plate to normalizing + tempering (allows accelerated cooling) delivery.


Q: Are steel sheets available in different hardness levels?
Different hardness levels are available for steel sheets. Factors such as steel composition, heat treatment, and additional processing or alloying determine the hardness of a steel sheet. Steel sheets can vary from being very soft and easily shaped to being extremely hard and long-lasting. The Rockwell scale is commonly used to measure the indentation hardness of steel sheets. By providing various hardness levels, steel sheets can fulfill diverse application needs, including forming, bending, and high-wear applications that demand exceptional resistance to abrasion.
Q: What are the different methods of surface cleaning for steel sheets?
There are several methods of surface cleaning for steel sheets, including mechanical cleaning techniques such as abrasive blasting or grinding, chemical cleaning using solvents or acids, and electrochemical cleaning methods like electrolysis or pickling. Each method is chosen based on the specific requirements and condition of the steel surface to effectively remove dirt, rust, scale, or other contaminants.
Q: Why is the water stop steel plate placed in the middle of the wall?
A water stop steel plate is an ordinary thin steel plate, not a waterproof coiled material, not a rubberized fabric, but imagine if a steel plate is placed on the outside of the concrete wall
Q: Can steel sheets be used for solar panel mounting structures?
Yes, steel sheets can indeed be used for solar panel mounting structures. Steel is a strong and durable material that can provide the necessary support and stability for solar panels. It is commonly used for mounting structures due to its high strength-to-weight ratio, corrosion resistance, and cost-effectiveness. Additionally, steel sheets can be easily fabricated and customized to fit specific mounting requirements, making them a popular choice in the construction of solar panel systems.
Q: How do steel sheets perform in terms of electromagnetic shielding?
Steel sheets are highly effective in terms of electromagnetic shielding due to their strong conductivity and ability to reflect and absorb electromagnetic waves. They can block and redirect electromagnetic fields, reducing their impact on nearby electronic devices or sensitive equipment.
Q: Are the steel sheets resistant to impact or bending?
Yes, steel sheets are generally resistant to both impact and bending. Steel is known for its high strength and durability, making it less likely to be affected by external forces such as impacts or bending. This is due to the material's ability to absorb and distribute the energy applied to it, resulting in minimal deformation or damage. However, the specific resistance to impact and bending may vary depending on the thickness, type of steel, and any additional treatments or coatings applied to the sheets.
Q: Can the steel sheets withstand extreme temperatures?
Steel sheets are renowned for their remarkable durability and strength, rendering them ideal for a myriad of applications. Concerning extreme temperatures, steel sheets generally possess an elevated melting point and can endure high temperatures without compromising their structural integrity. Nevertheless, it is worth noting that the precise temperature threshold hinges upon the particular type and grade of steel employed. For instance, stainless steel sheets exhibit superior heat resistance in comparison to carbon steel sheets. Moreover, variables such as the duration of exposure to extreme temperatures and the presence of other environmental factors may also impact the performance of steel sheets. Consequently, it is imperative to take these variables into account, seek guidance from experts, or refer to specific product specifications to ascertain the suitability of a given steel sheet for a specific application involving extreme temperatures.
Q: Is the cold rolled steel plate good or the stainless steel plate?
The cold rolled steel itself, whether washed by acid car wash, semi-finished products, or rolled out by cold rolling mill semi-finished products, their rust resistance is very poor. It is easy to oxidize, resulting in rust on the surface of the air. It will not rust until it has been plated with aluminum or zinc, and it is clear that the process is complex and unsafe.
Q: What is the process of electroplating steel sheets?
The process of electroplating steel sheets involves immersing the steel sheets in a solution that contains metal ions, typically nickel or chromium. An electric current is then passed through the solution, causing the metal ions to be attracted to the steel sheets and deposit onto their surface. This creates a thin, protective layer of metal that enhances the steel sheets' appearance, corrosion resistance, and durability.
Q: Can the steel sheets be used for fencing or security purposes?
Yes, steel sheets can be effectively used for fencing or security purposes due to their durability and strength. They provide a reliable barrier, making them suitable for securing properties or creating sturdy fences.

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