Grade JIS G3141-SPEC-SD Galvanized Steel Coil

Grade JIS G3141-SPEC-SD Galvanized Steel Coil System 1

Grade JIS G3141-SPEC-SD Galvanized Steel Coil System 2

Grade JIS G3141-SPEC-SD Galvanized Steel Coil System 3

Grade JIS G3141-SPEC-SD Galvanized Steel Coil System 4

Grade JIS G3141-SPEC-SD Galvanized Steel Coil

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 3 m.t.

Supply Capability:: 10000 m.t./month

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Grade JIS G3141-SPEC-SD Galvanized Steel Coil

Specification of JIS G3141-SPEC-SD Galvanized Steel Coil

1. Galvanized Steel Coil

(1) Width: 600-1570mm

(2) Thickness: 0.13-5.0mm

(3) Grade: JIS G3302-SGCC-SGC570, SGCH (full hard-G550), SGHC-SGH540

EN10346-DX51D+Z, DX53D+Z, S250GD-S550GD

STM A653-CS-B, SS255-SS550

(4) Zinc Coating: Z40g/m2~Z500g/m2 (both side total coating thickness)

2. Galvalume Steel Coil

(1) Width: 600~1500mm

(2) Thickness: 0.15~2.30mm

(3) Grade: JIS G3321-SGLCC, SGLC400-570, (G550)

EN10346-DX51D+AZ, DX53D+AZ, S250-S550

ASTM A792M CS-B, SS255-SS550

(4) AZ Coating: AZ50~AZ185g/m2

3. Prepainted Galvanized Steel Coil (PPGI)

(1) Width: 600~1250mm

(2) Thickness: 0.19~1.50mm

(3) Grade: JIS G3312-CGCC, CGC340-570, (G550)

ASTM A755M CS-B, SS255-SS550

(4) Zinc Coating: Z40g/m2~Z500g/m2 (both side total coating thickness)

4. Prepainted Galvanized Steel Coil (PPGL)

(1) Width: 600~1250mm

(2) Thickness: 0.20~1.50mm

(3) Grade: JIS G3322-CGLCC, CGLC340-570, (G550)

ASTM A755M CS-B, SS255-SS550

(4) AZ Coating: AZ50~AZ185g/m2 (both side total coating thickness)

5. Cold Rolled Steel Coil (Soft) (for further information, pls click the product name)

(1) Width: 600~1570mm

(2) Thickness: 0.13~2.50mm

(3) Grade: JIS G3141-SPCC-SD, SPCD-SD, SPEC-SD

JIS G3135-SPFC 340/390/440

EN10130-DC01, DC03, DC04

SAE1006, SAE1008

ASTM A424-TypeⅡ

6. Cold Rolled Steel Coil (Full Hard) (for further information, pls click the product name)

(1) Width: 600~1570mm

(2) Thickness: 0.13~2.50mm

(3) Grade: JIS G3141-SPCC-1B, SPCC-1D

7. Hot Rolled Steel Coil

(1) Width: 1000~1524mm

(2) Thickness: 1.20~16.5mm, other thickness can be negotiation

(3) Grade: JIS G3101-SS400, JIS G3132-SPHT1/2/3, ASTM A36, Q195, Q235 etc.

Company Introduction of the Grade JIS G3141-SPEC-SD Galvanized Steel Coil

CNBM International Corporation is the most import and export platform of CNBM group(China National Building Material Group Corporation) ,which is a state-owned enterprise, ranked in 270th of Fortune Global 500 in 2015.

With its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high quality series of refractories as well as technical consultancies and logistics solution.

Grade JIS G3141-SPEC-SD Galvanized Steel Coil

Packaging & Delivery of the Grade JIS G3141-SPEC-SD Galvanized Steel Coil

Packaging Detail	Sea worthy packing /as per customer's packing instruction
Delivery Detail	15 ~ 40 days after receiving the deposit

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Grade JIS G3141-SPEC-SD Galvanized Steel Coil

FAQ:

Are you a trading company or manufacturer?	Manufacturer
What’s the MOQ?	3 metric ton
What’s your delivery time?	15-35 days after downpayment received
Do you Accept OEM service?	Yes
what’s your delivery terms?	FOB/CFR/CIF
What's the Payment Terms?	30% as deposit,70% before shipment by T/T
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Why choose us?	Chose happens because of quality, then price, We can give you both. Additionally, we can also offer professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposals.
What's your available port of Shipment?	Main Port, China
What’s your featured services?	Our service formula: good quality+ good price+ good service=customer's trust
Where are your Market?	Covering more than 160 countries in the world

Q: How does the heat treatment process affect the hardness of special steel?: The hardness of special steel is greatly influenced by the heat treatment process. This process involves heating the steel to a specific temperature, maintaining it at that temperature for a certain period, and then cooling it at a controlled rate. By altering the microstructure of the steel, the heat treatment process impacts its hardness. Quenching, which is one of the most commonly used heat treatment techniques, involves rapidly cooling the steel. This results in the formation of martensite, a hard and brittle microstructure. The rapid cooling prevents the formation of softer microstructures like pearlite or ferrite, leading to an increase in the steel's hardness. Tempering is another heat treatment process that affects the hardness of special steel. After quenching, the steel is often tempered to decrease its brittleness and enhance its toughness. This involves reheating the quenched steel to a lower temperature and then slowly cooling it. Through this process, some of the martensite transforms into a more ductile microstructure, such as tempered martensite or bainite. These microstructures retain some of the hardness of martensite while also providing improved toughness and resistance to fracture. To summarize, the heat treatment process plays a significant role in determining the hardness of special steel. Quenching increases hardness by forming martensite, whereas tempering balances hardness with improved toughness. By adjusting parameters such as temperature and cooling rate, the desired hardness and mechanical properties can be achieved for different applications of special steel.

Q: What are the different surface modification techniques used for special steel?: There are several surface modification techniques used for special steel to enhance its properties and improve its performance in specific applications. Some of the common techniques include: 1. Nitriding: Nitriding is a surface hardening process that involves the diffusion of nitrogen into the steel surface. It forms a hard layer of nitrides, which significantly increases the surface hardness, wear resistance, and fatigue strength of the steel. 2. Carbonitriding: Carbonitriding is a similar process to nitriding, but it involves the diffusion of both carbon and nitrogen into the steel surface. This technique increases the surface hardness and also improves the wear resistance and fatigue strength of the steel. 3. Case hardening: Case hardening involves the addition of a hard, wear-resistant layer to the surface of the steel. This can be achieved through processes like carburizing or carbonitriding, where carbon is introduced into the surface layer, transforming it into a high-carbon martensitic layer. 4. Shot peening: Shot peening is a technique that involves bombarding the steel surface with small, high-velocity shots of media, such as steel, ceramic, or glass beads. This process induces compressive stresses on the surface, improving its fatigue strength and resistance to stress corrosion cracking. 5. Electroplating: Electroplating is a common technique used to apply a thin layer of metal coating onto the steel surface. This can be done with various metals like zinc, nickel, or chromium, providing protection against corrosion, improving aesthetics, and enhancing wear resistance. 6. Physical vapor deposition (PVD): PVD is a coating technique that involves depositing thin layers of material onto the steel surface through a vacuum process. This technique can be used to apply coatings like titanium nitride (TiN), which provides excellent wear resistance and reduces friction. 7. Laser surface modification: Laser surface modification techniques, such as laser hardening or laser alloying, use a high-energy laser beam to selectively heat and modify the steel surface. This process can improve hardness, wear resistance, and corrosion resistance. These surface modification techniques can be tailored to meet specific requirements, enhancing the properties of special steel for various applications in industries such as automotive, aerospace, and tooling.

Q: How does special steel contribute to the overall economy?: Special steel contributes to the overall economy in several ways. Firstly, it plays a crucial role in various industries such as automotive, construction, and manufacturing, where it is used for producing high-performance components and structures. This fosters innovation, enhances productivity, and drives economic growth. Additionally, the production and processing of special steel create employment opportunities, both directly and indirectly, stimulating job growth and income generation. Moreover, special steel exports contribute to trade balance and foreign exchange earnings, further bolstering the economy. Overall, the utilization of special steel in diverse sectors strengthens industrial competitiveness, supports economic development, and fuels economic prosperity.

Q: What are the effects of different heat treatment processes on special steel?: Special steel can undergo various heat treatment processes that significantly impact its properties and performance. These processes are designed to modify the steel's microstructure, influencing its hardness, strength, toughness, and other mechanical properties. One widely used heat treatment process is annealing, which entails heating the steel to a specific temperature and gradually cooling it. Annealing serves to alleviate internal stresses, enhance machinability, and improve the steel's ductility. Additionally, it refines the grain structure, promoting uniformity and decreasing the likelihood of cracks or defects. Another heat treatment process is quenching, which involves heating the steel to a high temperature and rapidly cooling it by immersing it in a quenching medium like oil or water. This process results in the formation of a hardened microstructure, augmenting the steel's hardness and resistance to wear. However, quenching can also render the steel brittle, which is why tempering is often performed subsequently. Tempering encompasses reheating the quenched steel to a lower temperature and maintaining it there for a specific duration. This process reduces the brittleness caused by quenching and enhances the steel's toughness and ductility. The resulting microstructure strikes a balance between hardness and toughness, rendering the steel suitable for applications necessitating both strength and impact resistance. Other heat treatment processes, such as normalizing and stress relieving, can also be employed to attain specific properties in special steel. Normalizing entails heating the steel above its critical point and allowing it to cool in still air. This process refines the grain structure and improves the steel's strength and machinability. Conversely, stress relieving aims to eliminate residual stresses from the steel by heating it below its critical point and gradually cooling it. In conclusion, the effects of various heat treatment processes on special steel are manifold. These processes can modify the steel's microstructure, leading to alterations in hardness, strength, toughness, and other mechanical properties. By selecting the appropriate heat treatment process, manufacturers can customize the steel's characteristics to meet specific requirements, ensuring optimal performance and longevity.

Q: What are the main characteristics of tool steel forgings?: The main characteristics of tool steel forgings include high hardness, excellent wear resistance, and good toughness. They also exhibit high strength and heat resistance, making them suitable for applications that require cutting, shaping, or forming materials. Tool steel forgings are known for their ability to hold a sharp edge and withstand heavy loads, making them ideal for manufacturing tools, dies, and molds.

Q: What are the different annealing techniques used for special steel?: There are several annealing techniques used for special steel, including full annealing, spheroidizing annealing, and stress relieving annealing. Full annealing involves heating the steel to a high temperature and then slowly cooling it, which helps to refine the grain structure and reduce internal stresses. Spheroidizing annealing is used to soften the steel and improve machinability by forming spherical carbides within the microstructure. Stress relieving annealing is performed to reduce residual stresses in the steel, typically after significant machining or welding operations. These different techniques allow for the customization of special steel properties to meet specific application requirements.

Q: What are the requirements for special steel used in nuclear power plants?: Stringent and critical requirements must be met for the special steel used in nuclear power plants to guarantee the safe and reliable operation of these facilities. Some of the key requirements include: 1. Exceptional strength and durability: The special steel must possess remarkable strength and durability to endure the extreme conditions and stresses found in nuclear power plants, such as high temperatures, pressure, and radiation levels. 2. Corrosion resistance: Corrosion can severely compromise the integrity of steel components in a nuclear power plant. Therefore, the special steel must exhibit high resistance to corrosion, including both general and localized corrosion, such as pitting and crevice corrosion. 3. Low neutron absorption: Neutron absorption plays a crucial role in the performance of reactor core materials in nuclear power plants. Therefore, the special steel used should have low neutron absorption characteristics to minimize interference with neutron flux and avoid any adverse effects on the overall operation and safety of the plant. 4. Radiation resistance: Nuclear power plants generate significant levels of radiation that can affect the properties and performance of materials over time. The special steel must be able to withstand radiation-induced embrittlement, degradation, and other forms of radiation damage, ensuring long-term mechanical integrity. 5. Compliance with regulations: The steel used in nuclear power plants must meet stringent regulatory standards and codes, such as those established by the Nuclear Regulatory Commission (NRC) in the United States or the International Atomic Energy Agency (IAEA) internationally. Compliance with these regulations ensures that the steel meets the necessary safety criteria and has been manufactured and tested to the highest standards. 6. Traceability and documentation: The traceability of the special steel used in nuclear power plants is of utmost importance. It is crucial to maintain comprehensive documentation, including material certifications, test reports, and manufacturing records, to ensure that the quality and origin of the steel can be verified throughout its lifecycle. In summary, the requirements for special steel used in nuclear power plants revolve around its ability to withstand extreme conditions, resist corrosion and radiation, comply with strict regulatory standards, and provide long-term structural integrity. These requirements are essential for the safe and efficient operation of nuclear power plants and the protection of human health and the environment.

Q: What are the different methods of preventing stress corrosion cracking in special steel?: There are several methods that can be employed to prevent stress corrosion cracking in special steel: 1. Material Selection: Choosing the appropriate steel alloy with enhanced resistance to stress corrosion cracking is crucial. Alloys such as stainless steel, duplex stainless steel, and nickel-based alloys are known for their resistance to this type of corrosion. 2. Surface Treatments: Applying surface treatments like passivation or electroplating can create a protective layer on the steel surface, preventing the entry of corrosive substances and reducing the likelihood of stress corrosion cracking. 3. Stress Relieving: Heat treatment processes like stress relieving can be employed to reduce residual stresses in the steel, which can contribute to stress corrosion cracking. This treatment involves heating the steel to a specific temperature and then slowly cooling it, which helps to minimize the presence of residual stresses. 4. Corrosion Inhibitors: The use of corrosion inhibitors can help to protect the steel from corrosive environments. These inhibitors can be added to the system or applied as a coating on the steel surface, creating a barrier that prevents the corrosive substances from reaching the steel. 5. Environmental Control: Controlling the environment in which the steel is exposed is essential for preventing stress corrosion cracking. Factors such as temperature, humidity, and the presence of corrosive substances should be monitored and controlled to minimize the risk of stress corrosion cracking. 6. Cathodic Protection: Utilizing cathodic protection techniques can help to prevent stress corrosion cracking. This method involves applying a sacrificial or impressed current to the steel, which acts as a cathode and protects the steel from corrosion. 7. Design Considerations: Proper design of the steel structure is crucial in preventing stress corrosion cracking. Factors such as avoiding sharp corners, minimizing stress concentrations, and providing adequate drainage to prevent the accumulation of corrosive substances can significantly reduce the risk of stress corrosion cracking. By employing a combination of these methods, it is possible to effectively prevent stress corrosion cracking in special steel and ensure the longevity and integrity of the structure.

Q: How does special steel perform in cryogenic corrosion resistance?: Special steels possess exceptional capabilities in terms of resisting corrosion in cryogenic environments. Unlike regular steels, which tend to become brittle and prone to corrosion when exposed to extremely low temperatures, special steels are specifically engineered to endure such conditions while maintaining their mechanical properties and corrosion resistance. The remarkable performance of special steels in cryogenic settings can be primarily attributed to their composition and microstructure. These steels are typically infused with elements like nickel, molybdenum, and nitrogen, which significantly enhance their ability to withstand corrosion at low temperatures. Additionally, the microstructure of special steels is meticulously controlled, resulting in a fine grain size and a uniform distribution of alloying elements. This microstructure contributes to the steel's capacity to resist corrosion and retain its mechanical strength even in cryogenic temperatures. Furthermore, special steels undergo rigorous testing procedures to ensure their suitability for cryogenic applications. They are subjected to low-temperature impact tests, which evaluate their toughness and resistance to brittle fracture. These tests verify that the steel can endure the stresses and strains imposed by cryogenic conditions without experiencing failure. In conclusion, special steels exhibit exceptional resistance to cryogenic corrosion due to their distinct composition, microstructure, and comprehensive testing. They are the preferred choice for applications that demand reliable performance in extremely low temperatures, such as in the aerospace, energy, and scientific research industries.

Q: Can special steel be used in the printing industry?: Yes, special steel can be used in the printing industry. Special steel, such as stainless steel or tool steel, can be utilized in the manufacturing of printing equipment and machinery parts. These types of steel provide excellent strength, durability, and resistance to wear and corrosion, making them suitable for various components used in printing presses, rollers, blades, and other machinery.

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