Grade JIS CGC340-570 Galvanized Steel Coil

Grade JIS CGC340-570 Galvanized Steel Coil System 1

Grade JIS CGC340-570 Galvanized Steel Coil System 2

Grade JIS CGC340-570 Galvanized Steel Coil System 3

Grade JIS CGC340-570 Galvanized Steel Coil System 4

Grade JIS CGC340-570 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 CGC340-570 Galvanized Steel Coil

Specification of Grade JIS CGC340-570 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

ASTM 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 CGC340-570 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 CGC340-570 Galvanized Steel Coil

Packaging & Delivery of the Grade JIS CGC340-570 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 CGC340-570 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
	Western Union acceptable for small amount.
	L/C acceptable for large amount.
	Scrow ,Paybal,Alipay are also ok
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:What are the different heat treatment grades of special steel?: There are several different heat treatment grades of special steel, each with its own unique properties and applications. Some of the commonly used heat treatment grades include: 1. Annealed Steel: This grade of special steel is treated through the annealing process, which involves heating the steel to a specific temperature and then cooling it slowly to enhance its ductility and reduce its hardness. Annealed steel is typically used in applications where toughness and machinability are required. 2. Normalized Steel: Normalizing is a heat treatment process that involves heating the steel above its critical temperature and then cooling it in still air. This treatment refines the grain structure of the steel, improves its mechanical properties, and reduces internal stresses. Normalized steel is often used in applications where high strength and good weldability are desired. 3. Quenched and Tempered Steel: This grade of special steel undergoes a two-step heat treatment process. Firstly, the steel is heated to a high temperature and then rapidly cooled in a quenching medium such as oil or water. This process results in a hardened and brittle steel. To regain some toughness and reduce brittleness, the steel is then tempered by reheating it to a lower temperature. Quenched and tempered steel is commonly used in applications that require high strength, such as construction machinery, mining equipment, and automotive parts. 4. Precipitation Hardening Steel: This grade of special steel is treated by a combination of heat treatment and precipitation hardening. The steel is initially solution treated at high temperatures to dissolve alloying elements, followed by rapid cooling to retain a supersaturated solid solution. Subsequently, the steel is aged at a lower temperature for a specific period of time, allowing the formation of fine precipitates that contribute to increased strength and hardness. Precipitation hardening steel is utilized in applications where high strength and corrosion resistance are essential, such as aerospace components and high-performance tools. 5. Case Hardening Steel: Case hardening is a surface heat treatment process used to increase the hardness of the outer layer of steel while maintaining a tough and ductile core. This is achieved by carburizing or nitriding the steel, which introduces carbon or nitrogen into the surface layer, respectively. Case hardening steel is commonly used in applications requiring wear resistance, such as gears, bearings, and camshafts. These are just a few examples of the various heat treatment grades available in special steel. Each grade offers unique properties and advantages, allowing for a wide range of applications across different industries.

Q:Can special steel be used for making renewable energy equipment?: Making renewable energy equipment is possible using special steel. Special steel, also referred to as high-performance or alloy steel, possesses various properties that make it appropriate for use in different renewable energy applications. For instance, in wind energy, special steel finds utility in crafting wind turbine components, including rotor blades, tower structures, and drive train systems. The durability and longevity of these components are ensured by the high strength and corrosion resistance of special steel, as they are consistently exposed to harsh weather conditions and mechanical stress. In solar energy, special steel can be employed in the construction of solar panels, support structures, and tracking systems. The material's exceptional thermal conductivity and resistance to deformation make it an ideal choice for effectively capturing and converting solar energy into electricity. Moreover, special steel can be utilized in the production of hydroelectric power equipment, such as turbine blades, runners, and penstocks. These components are designed to withstand the forces and pressures associated with water power generation, and special steel's high tensile strength and resistance to erosion and cavitation make it suitable for this purpose. Furthermore, in the realm of biomass energy, special steel can be used in the fabrication of bioenergy plants and equipment. Its ability to withstand high temperatures and resist corrosion makes it suitable for handling the corrosive substances and high temperatures involved in the biomass conversion process. Overall, special steel's unique combination of strength, durability, corrosion resistance, and thermal properties makes it an excellent option for manufacturing renewable energy equipment, thereby contributing to the development and sustainability of the renewable energy industry.

Q:How does special steel contribute to the aerospace material cost reduction?: Special steel contributes to the aerospace material cost reduction by offering superior strength, durability, and corrosion resistance properties. This allows for the design and manufacture of lighter and more fuel-efficient aircraft components. Additionally, special steel's high performance characteristics enable longer service life, reducing maintenance and replacement costs over time.

Q:What is the role of carbon in special steel?: Carbon plays a crucial role in special steel as it significantly influences its properties and performance. Special steel refers to a category of steel that is specifically engineered to exhibit exceptional characteristics, such as high strength, hardness, wear resistance, or corrosion resistance. Carbon is one of the main alloying elements in special steel, and its content determines many of these desired properties. Firstly, carbon is responsible for increasing the strength and hardness of special steel. As carbon is added to the iron matrix, it forms iron carbides, which are extremely hard and provide structural integrity to the steel. The higher the carbon content, the greater the hardness and strength of the steel. This makes special steel suitable for applications requiring high toughness, durability, and resistance to deformation, such as in the manufacturing of tools, dies, and industrial machinery components. Secondly, carbon contributes to the wear resistance of special steel. The presence of carbon enhances the steel's ability to resist abrasion and withstand extreme conditions. This is particularly important in industries like mining, construction, and oil and gas, where components are subjected to intense wear and friction. Furthermore, carbon also plays a crucial role in determining the machinability and weldability of special steel. The carbon content affects the steel's response to heat treatment, making it easier or harder to machine or weld. The right balance of carbon content is essential to ensure that special steel can be easily worked on and fabricated into complex shapes without compromising its properties. Lastly, carbon influences the corrosion resistance of special steel. While steel is generally prone to corrosion, the addition of certain amounts of carbon can enhance its resistance to rusting and other forms of corrosion. This is particularly important in applications where the steel is exposed to harsh environments, such as marine or chemical industries. In summary, carbon plays a vital role in special steel by increasing its strength, hardness, wear resistance, machinability, weldability, and corrosion resistance. The precise amount of carbon added to the steel is carefully controlled to achieve the desired properties for specific applications, making special steel a highly versatile and sought-after material in various industries.

Q:How does tool steel maintain its hardness at high temperatures?: Tool steel maintains its hardness at high temperatures due to its high carbon content and alloying elements. The high carbon content allows for the formation of carbides, which are extremely hard and stable even at elevated temperatures. Additionally, the alloying elements in tool steel, such as chromium, tungsten, and molybdenum, form secondary carbides that further enhance the steel's hardness and heat resistance. These carbides act as strengthening agents, preventing the steel from losing its hardness and maintaining its performance even under high-temperature conditions.

Q:Can special steel be used in the manufacturing of tools?: Yes, special steel can be used in the manufacturing of tools. Special steels, such as high-speed steel, tool steel, and alloy steel, are specifically designed to have exceptional strength, hardness, and durability properties. These characteristics make special steel ideal for tool manufacturing, as it can withstand high temperatures, resist wear and corrosion, and provide the necessary toughness required for various cutting, shaping, and drilling applications.

Q:What are the main applications of special steel in the telecommunications sector?: Special steel is widely used in the telecommunications sector for various applications. One of the main uses is in the manufacturing of transmission towers and antennas, where high strength and corrosion resistance properties are crucial for ensuring stability and durability. Special steel is also utilized in the production of cables and wires, providing excellent conductivity and resistance to wear and tear. Additionally, special steel is employed in the fabrication of satellite communication equipment, providing the necessary strength and resilience to withstand harsh environmental conditions. Overall, special steel plays a vital role in the telecommunications sector by enabling the construction of reliable and high-performance infrastructure.

Q:How is stainless tool steel used in the manufacturing of surgical instruments?: Stainless tool steel is commonly used in the manufacturing of surgical instruments due to its exceptional properties such as corrosion resistance, high strength, and durability. This type of steel ensures that surgical instruments can withstand frequent sterilization processes without corroding or deteriorating. Additionally, stainless tool steel allows for precise shaping and sharpening of surgical instruments, ensuring their effectiveness and longevity in medical procedures.

Q:How does special steel perform in cryogenic fatigue resistance?: Special steel is known for its exceptional performance in cryogenic fatigue resistance. Cryogenic fatigue refers to the deterioration of a material's structural integrity under repeated loading and unloading at extremely low temperatures. Special steel, also known as high-performance or high-strength steel, exhibits superior resistance to cryogenic fatigue compared to conventional steels. The unique composition and microstructure of special steel contribute to its enhanced cryogenic fatigue resistance. Special steels are typically alloyed with elements such as nickel, chromium, and molybdenum, which improve their mechanical properties, including strength and toughness, even at low temperatures. These alloying elements enable the steel to maintain its integrity and resist crack initiation and propagation, which are common failure mechanisms in cryogenic environments. Furthermore, the microstructure of special steel is carefully controlled during the manufacturing process to ensure optimal performance in cryogenic conditions. The fine-grained structure of special steel reduces the susceptibility to fatigue cracks, as it provides a more uniform distribution of stress and strain throughout the material. This helps prevent the formation of localized stress concentrations, which can lead to crack initiation and subsequent failure. In addition to its composition and microstructure, special steel undergoes rigorous testing and quality control measures to ensure its cryogenic fatigue resistance. Various industry standards and specifications exist to evaluate the performance of special steel in cryogenic conditions, such as the ASTM E466 test method. These tests simulate the cyclic loading and unloading that the material may experience in cryogenic environments and provide valuable data on its fatigue life and durability. Overall, special steel demonstrates excellent cryogenic fatigue resistance due to its unique composition, controlled microstructure, and rigorous testing. Its ability to withstand repeated loading and unloading at extremely low temperatures makes it a preferred choice for applications in industries such as aerospace, energy, and cryogenic storage.

Q:How is special steel classified based on its mechanical properties?: Special steel is classified based on its mechanical properties by considering factors such as its strength, hardness, toughness, and ductility. These properties play a crucial role in determining the steel's ability to withstand specific applications and environments.

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