Grade ASTM A755M CS-B Galvanized Steel Coil

Grade ASTM A755M CS-B Galvanized Steel Coil System 1

Grade ASTM A755M CS-B Galvanized Steel Coil System 2

Grade ASTM A755M CS-B Galvanized Steel Coil System 3

Grade ASTM A755M CS-B Galvanized Steel Coil System 4

Grade ASTM A755M CS-B 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 ASTM A755M CS-B Galvanized Steel Coil

Specification of ASTM A755M CS-B 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 ASTM A755M CS-B 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 ASTM A755M CS-B Galvanized Steel Coil

Packaging & Delivery of the Grade ASTM A755M CS-B 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 ASTM A755M CS-B 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: What are the different heat treatment processes used for special steel?: There are several heat treatment processes used for special steel, including annealing, normalizing, quenching, tempering, and case hardening. Annealing involves heating the steel to a specific temperature and then slowly cooling it to soften it and improve its machinability. Normalizing is similar to annealing but involves cooling the steel in air instead of slowly. Quenching involves rapidly cooling the steel to increase its hardness, while tempering involves reheating the quenched steel to a lower temperature to reduce brittleness and improve toughness. Case hardening is a process where the outer layer of the steel is hardened while maintaining a softer core, enhancing wear resistance.

Q: What are the challenges in machining special steel alloys?: Machining special steel alloys poses several challenges due to their unique properties and characteristics. One of the primary challenges is their high hardness. Special steel alloys are often heat-treated to enhance their mechanical properties, resulting in increased hardness. This makes it difficult to machine them as traditional cutting tools may wear out quickly or become dull. The high hardness also increases the risk of tool breakage, leading to frequent tool changes and increased production downtime. Another challenge is the presence of abrasive elements in special steel alloys. Some alloys contain elements like chromium, tungsten, or vanadium, which can cause rapid tool wear and degradation. These abrasive elements can cause excessive tool wear, leading to reduced cutting tool life and increased machining costs. Moreover, the presence of these elements can result in poor surface finish and dimensional accuracy if not properly managed during the machining process. Special steel alloys also tend to have low thermal conductivity, which makes it difficult to dissipate heat generated during machining. This can lead to high temperatures at the cutting zone, resulting in thermal expansion and distortion of the workpiece. The heat can also affect the cutting tool, reducing its life and efficiency. Managing the heat generated during machining is critical to prevent workpiece deformation and maintain dimensional accuracy. Furthermore, the presence of alloying elements can make these steel alloys prone to work hardening. This means that the material becomes harder and more difficult to cut as the machining process progresses. Work hardening can lead to increased cutting forces, tool wear, and reduced surface finish. To overcome this challenge, machining parameters such as cutting speed, feed rate, and depth of cut must be carefully optimized to avoid excessive work hardening. In conclusion, machining special steel alloys presents challenges such as high hardness, abrasive elements, low thermal conductivity, and work hardening. Overcoming these challenges requires the use of specialized cutting tools, efficient cooling and lubrication systems, optimized machining parameters, and careful selection of machining strategies. By addressing these challenges effectively, manufacturers can achieve accurate and efficient machining of special steel alloys.

Q: What are the different applications of special steel in the construction industry?: Special steels are highly versatile materials that find numerous applications in the construction industry. One of the primary uses of special steel in construction is in the production of structural components. Special steels, such as high-strength low-alloy (HSLA) steel and weathering steel, are commonly employed to construct buildings, bridges, and other infrastructure projects that require superior strength and durability. In addition to structural applications, special steel is also extensively utilized in the construction of pipelines. This is particularly true for oil and gas pipelines, where special steels with excellent resistance to corrosion and high-pressure conditions are crucial. Stainless steel, for instance, is commonly employed due to its exceptional corrosion resistance properties, making it ideal for harsh environments. Another vital application of special steel in construction is in the production of reinforcing bars, commonly known as rebars. Reinforcing steel bars are used to reinforce concrete structures, such as buildings, bridges, and highways, by providing additional strength to withstand tension forces. Special steel rebars, such as micro-alloyed steel or carbon steel, are specifically designed to enhance the structural integrity and durability of concrete structures. Furthermore, special steel is extensively used in the construction of high-rise buildings and skyscrapers. The exceptional strength, ductility, and fire resistance properties of special steels, such as carbon steel or alloy steel, make them ideal for constructing tall structures that can withstand heavy loads and resist the impact of fire incidents. Special steel also finds application in the construction of equipment and machinery used in the construction industry. For instance, high-speed steel (HSS) is commonly used to manufacture cutting tools, drill bits, and saw blades that are essential for various construction activities. HSS possesses exceptional hardness, wear resistance, and high-temperature strength, making it suitable for heavy-duty cutting and drilling applications. In conclusion, special steel plays a crucial role in the construction industry due to its superior strength, durability, corrosion resistance, and fire resistance properties. It finds applications in structural components, pipelines, reinforcing bars, high-rise buildings, and construction machinery. Special steel ensures the safety, longevity, and reliability of construction projects, making it an essential material in the industry.

Q: How does special steel contribute to the defense equipment industry?: Special steel plays a crucial role in the defense equipment industry by offering superior strength, durability, and performance characteristics that are essential for producing high-quality military equipment. This type of steel is specifically engineered to meet the demanding requirements of defense applications, ensuring the safety and effectiveness of military personnel and operations. One of the key contributions of special steel to the defense equipment industry is its ability to withstand extreme conditions and environments. Military equipment often operates in harsh conditions, including extreme temperatures, high pressures, corrosive environments, and impact forces. Special steel is designed to maintain its structural integrity and performance under these challenging conditions, providing a reliable and long-lasting solution for defense equipment. Moreover, special steel offers exceptional strength and toughness, making it ideal for manufacturing armored vehicles, tanks, and military aircraft. It provides a high level of protection against ballistic threats and can withstand projectile impacts and explosions. The use of special steel in defense equipment ensures the safety of military personnel and enhances their survivability in combat situations. Additionally, special steel is essential for the production of cutting-edge weaponry and munitions. It is used in the manufacturing of firearms, missiles, and artillery systems due to its excellent mechanical properties and ability to withstand high pressures. Special steel also enables precision engineering, ensuring the accuracy and reliability of military firearms and projectiles. Furthermore, special steel contributes to the defense equipment industry by supporting technological advancements. As technology continues to evolve, the defense sector requires materials that can meet the demands of modern warfare. Special steel can be tailored and optimized to meet specific performance requirements, allowing for the development of advanced defense systems such as stealth technology, electronic warfare, and precision-guided munitions. In conclusion, special steel plays a pivotal role in the defense equipment industry by providing the necessary strength, durability, and performance characteristics required for military applications. It ensures the safety and effectiveness of defense personnel and equipment, withstands extreme conditions, enables the production of advanced weaponry, and supports technological advancements in the defense sector.

Q: What are the different surface cleaning methods used for special steel?: For special steel, there are multiple ways to clean the surface depending on specific needs and desired cleanliness level. Some commonly utilized methods are as follows: 1. Mechanical Cleaning: By employing abrasive materials or tools, such as sanding, wire brushing, or abrasive blasting, dirt, rust, and other impurities can be physically removed from the steel surface. 2. Chemical Cleaning: This technique involves the use of chemical agents to dissolve or loosen dirt, grease, oil, or rust. Different chemicals are utilized based on the type and severity of contaminants. Acid pickling, for instance, immerses the steel in an acid solution to eliminate scale and rust. 3. High-pressure Water Cleaning: High-pressure water jets forcefully eliminate dirt, grease, and other impurities from the steel surface. This method effectively removes loose particles and can be used as a preliminary step before other surface preparation techniques. 4. Ultrasonic Cleaning: By utilizing high-frequency sound waves, ultrasonic cleaning creates microscopic bubbles in a cleaning solution. These bubbles implode upon contact with the steel surface, effectively removing hard-to-reach contaminants. 5. Electrochemical Cleaning: This method involves passing an electric current through a cleaning solution or electrolyte to aid in the removal of contaminants from the steel surface. It is particularly useful in eliminating rust and restoring the steel's appearance. 6. Thermal Cleaning: Thermal cleaning methods, such as flame cleaning or heat treatment, subject the steel to high temperatures. This process burns off organic contaminants or induces controlled oxidation, subsequently removing scale, rust, or other surface impurities. It is important to consider various factors, including the type of contaminants, steel condition, desired cleanliness level, and application requirements when choosing a surface cleaning method. Combining different methods may yield the most optimal results.

Q: What are the different methods of surface passivation for special steel?: There are several different methods of surface passivation for special steel, each designed to improve the corrosion resistance and overall performance of the material. One common method is the use of chemical passivation, which involves the application of a protective coating to the surface of the steel. This coating can be made from various materials, such as chromium oxide or nitric acid, and is typically applied through a chemical reaction that forms a protective layer on the steel's surface. Chemical passivation is often used in industries where the steel is exposed to corrosive environments, such as marine or chemical applications. Another method of surface passivation is mechanical passivation, which involves physically altering the surface of the steel to create a protective barrier. This can be done through processes such as shot peening or sandblasting, which create a roughened surface that is less susceptible to corrosion. Mechanical passivation is commonly used in applications where the steel is exposed to abrasive or erosive environments, such as mining or oil drilling. Electrochemical passivation is another technique used to passivate special steel surfaces. It involves the use of an electric current to create a protective oxide layer on the surface of the steel. This can be done through processes such as electrochemical polishing or anodizing, which create a controlled oxidation of the steel's surface. Electrochemical passivation is often used in industries where the steel is exposed to high temperatures or aggressive chemical environments. In addition to these methods, there are also specialized surface treatments available for special steel, such as plasma or laser surface passivation. These techniques use highly concentrated energy sources to modify the surface of the steel, creating a protective layer that enhances its corrosion resistance and mechanical properties. These treatments are typically used in high-performance applications, such as aerospace or automotive industries. Overall, the choice of surface passivation method for special steel depends on the specific requirements of the application and the desired performance characteristics of the material. Each method has its advantages and limitations, and it is important to consider factors such as cost, time, and environmental impact when selecting the most suitable method for a particular application.

Q: Can special steel be used in the chemical processing equipment manufacturing industry?: Yes, special steel can be used in the chemical processing equipment manufacturing industry. Special steel is often used in this industry due to its superior corrosion resistance, high temperature resistance, and excellent mechanical properties. It can withstand the harsh chemical environments and extreme operating conditions typically found in chemical processing equipment.

Q: Can special steel be used in corrosive environments?: Yes, special steel can be used in corrosive environments. Special types of steel, such as stainless steel or corrosion-resistant alloys, are designed to withstand corrosion caused by exposure to moisture, chemicals, or other corrosive elements. These materials have a higher resistance to rust and corrosion, making them suitable for applications in corrosive environments like marine environments, chemical plants, or oil and gas facilities.

Q: What are the requirements for special steel used in aerospace defense applications?: Due to the critical nature of aerospace defense applications, the demands for special steel are highly rigorous. The steel must meet several key requirements: 1. Exceptional strength is necessary to withstand extreme conditions and loads, ensuring the structural integrity of aircraft and defense equipment. 2. The steel must have excellent corrosion resistance to combat the harsh environments it encounters, such as moisture, saltwater, and chemicals. This prevents degradation and maintains performance over time. 3. Withstanding high temperatures without compromising mechanical properties is crucial for components operating in high-temperature environments, like jet engines and rocket nozzles. 4. Fatigue resistance is essential as aerospace defense applications involve repeated stress cycles. The steel should be able to resist fatigue failure, ensuring long service lives without failure. 5. Weight reduction is a critical factor to enhance fuel efficiency, payload capacity, and overall performance. The special steel must have a high strength-to-weight ratio, allowing for lighter structures without compromising strength. 6. To ensure reliability and longevity in demanding operational conditions, the steel used must have a high level of purity and cleanliness, minimizing the presence of impurities and defects. 7. Compatibility with other materials, such as aluminum alloys and composite materials commonly used in aerospace defense applications, is essential for reliable and efficient integration of different components and structures. Meeting these requirements often involves utilizing advanced manufacturing techniques such as vacuum melting, precise alloying, and heat treatment processes. Additionally, strict quality control measures, including non-destructive testing and material certification, are crucial to guarantee the performance and reliability of special steel in aerospace defense applications.

Q: How does special steel contribute to the renewable energy storage?: Special steel plays a crucial role in renewable energy storage by enabling the construction of durable and efficient energy storage systems. It is used in the manufacturing of batteries, fuel cells, and other components, providing strength, corrosion resistance, and thermal stability. The high-quality properties of special steel help enhance the performance and longevity of renewable energy storage technologies, ensuring their reliability and contributing to the overall sustainability and viability of the renewable energy sector.

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