Grade JIS G3135-SPFC 390 Galvanized Steel Coil

Grade JIS G3135-SPFC 390 Galvanized Steel Coil System 1

Grade JIS G3135-SPFC 390 Galvanized Steel Coil System 2

Grade JIS G3135-SPFC 390 Galvanized Steel Coil System 3

Grade JIS G3135-SPFC 390 Galvanized Steel Coil System 4

Grade JIS G3135-SPFC 390 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 G3135-SPFC 390 Galvanized Steel Coil

Specification of Grade JIS G3135-SPFC 390Galvanized 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 G3135-SPFC 390 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 G3135-SPFC 390 Galvanized Steel Coil

Packaging & Delivery of the Grade JIS G3135-SPFC 390 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 G3135-SPFC 390 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 surface treatments applied to special steel?: The different surface treatments applied to special steel include galvanizing, electroplating, powder coating, painting, passivation, nitriding, and heat treatment. These treatments are used to enhance the corrosion resistance, hardness, and aesthetics of the steel, depending on the specific application requirements.

Q:How does special steel perform under extreme cold conditions?: Special steel is specifically designed to perform well under extreme cold conditions. It has excellent resistance to low temperatures and retains its strength and toughness even in freezing temperatures. This is achieved through the addition of alloying elements such as nickel, chromium, and molybdenum, which enhance the steel's ability to remain ductile and resist brittle fracture. In extreme cold temperatures, regular steel tends to become brittle and may fracture easily. However, special steel exhibits remarkable toughness and resilience. It can withstand the extremely low temperatures without losing its mechanical properties, making it suitable for various applications in cold environments. Moreover, special steel also offers excellent corrosion resistance, which is crucial when exposed to extreme cold conditions. Corrosion can be accelerated in cold environments due to factors like moisture, salt, and freezing and thawing cycles. However, the corrosion-resistant properties of special steel prevent it from deteriorating and maintain its structural integrity. Additionally, special steel has superb thermal conductivity, allowing it to efficiently transfer heat even in extremely low temperatures. This characteristic is essential in applications where heat transfer is critical, such as in cryogenic systems or cold storage facilities. Overall, special steel's exceptional performance under extreme cold conditions makes it an ideal material for various industries and applications, including aerospace, oil and gas, automotive, and construction. Its ability to maintain strength, toughness, corrosion resistance, and thermal conductivity at low temperatures ensures reliable and safe operation in severe cold environments.

Q:Can special steel be used in the renewable energy industry?: Yes, special steel can be used in the renewable energy industry. Special steel, such as corrosion-resistant or high-strength steel, can be employed in various applications within the renewable energy sector. For instance, it can be used in the manufacturing of wind turbine components, solar panel frames, and hydroelectric infrastructure. The unique properties of special steel make it suitable for withstanding harsh environmental conditions and ensuring long-term durability and performance in renewable energy systems.

Q:How does special steel contribute to reducing weight in applications?: Special steel can contribute to reducing weight in applications in several ways. Firstly, special steel alloys can be designed to have high strength-to-weight ratios, meaning that they can provide the same level of strength and performance as other materials, such as traditional steel or aluminum, but with less weight. By using special steel in place of heavier materials, manufacturers can reduce the overall weight of the application without compromising its structural integrity. Additionally, special steel can be manufactured with improved fatigue resistance and durability properties, which allows for the use of thinner and lighter sections without sacrificing strength. This is particularly important in industries where weight reduction is critical, such as automotive and aerospace, as it enables the production of lighter vehicles or aircraft, resulting in improved fuel efficiency and reduced emissions. Furthermore, special steel can also contribute to weight reduction through its versatility in manufacturing processes. It can be easily formed, shaped, and welded, allowing for the creation of complex and lightweight structures. This flexibility in fabrication methods allows engineers to optimize the design and maximize weight savings by using special steel in innovative ways. In summary, special steel contributes to reducing weight in applications by offering high strength-to-weight ratios, improved fatigue resistance, and durability, as well as providing flexibility in manufacturing processes. These qualities make special steel an ideal choice for industries seeking weight reduction, ultimately leading to enhanced performance, efficiency, and sustainability.

Q:What are the main characteristics of tool steel forgings?: Tool steel forgings have several main characteristics that make them highly desirable for a variety of applications. First and foremost, tool steel forgings are known for their exceptional durability and strength. They are specifically designed to withstand high levels of stress, making them ideal for applications where toughness and resistance to wear and tear are crucial. This strength allows tool steel forgings to maintain their shape and integrity even under extreme conditions, such as high temperatures or heavy loads. Another key characteristic of tool steel forgings is their excellent hardness. Tool steel is able to achieve high levels of hardness through a process called quenching and tempering, which involves heating the steel to a specific temperature and then rapidly cooling it. This hardness makes tool steel forgings highly resistant to abrasion, making them suitable for cutting, shaping, and forming materials. Additionally, tool steel forgings exhibit excellent dimensional stability. This means that they have minimal distortion or shrinkage when subjected to heat or pressure, making them ideal for precision tooling applications. Their dimensional stability also ensures that the forgings maintain their accuracy and reliability over time, which is essential in industries such as manufacturing and engineering. Furthermore, tool steel forgings offer good machinability, meaning they can be easily shaped, drilled, and cut to meet specific requirements. This makes them versatile and adaptable for a wide range of applications, from forming complex shapes to creating intricate designs. Lastly, tool steel forgings have excellent wear resistance. This characteristic allows them to maintain their cutting edges and surfaces for extended periods, reducing the need for frequent sharpening or replacement. This wear resistance is particularly advantageous in industries such as automotive, aerospace, and tool manufacturing, where longevity and efficiency are paramount. In conclusion, the main characteristics of tool steel forgings include exceptional durability and strength, high hardness, excellent dimensional stability, good machinability, and excellent wear resistance. These characteristics make tool steel forgings highly sought after in various industries, where reliability, precision, and longevity are critical.

Q:What are the different marine grades of special steel?: Marine environments pose severe challenges, necessitating the use of specialized steel grades. These grades are classified based on their corrosion resistance and mechanical properties. 316 stainless steel is a widely employed marine grade. It contains higher proportions of molybdenum and nickel, enhancing its resistance to corrosion from saltwater and other harsh chemicals. This grade finds utility in marine hardware, including bolts, nuts, and screws, as well as marine structures and equipment. 2205 duplex stainless steel is another marine grade that surpasses 316 stainless steel in terms of strength and corrosion resistance. It is preferred for marine applications requiring durability and high strength, such as propeller shafts, offshore structures, and pressure vessels. 5083 aluminum-magnesium alloy is commonly employed in marine applications where weight is a concern. This special steel grade offers exceptional corrosion resistance and strength, making it suitable for boat hulls, superstructures, and lightweight marine components. Moreover, a range of high-strength low-alloy (HSLA) steels are utilized in marine applications. These steels are specifically engineered to deliver superior strength, toughness, and corrosion resistance. They find widespread use in shipbuilding, offshore drilling rigs, and other marine structures that demand durability and strength. In conclusion, the diverse marine grades of special steel present a wide array of options for various marine applications. The selection of a particular grade depends on project-specific requirements, including corrosion resistance, strength, and weight considerations.

Q:How does special steel perform in high-temperature mechanical applications?: Special steel is specifically designed to perform exceptionally well in high-temperature mechanical applications. Unlike regular steel, special steel contains alloying elements such as chromium, nickel, and molybdenum, which enhance its heat resistance and mechanical properties. At high temperatures, special steel exhibits excellent strength and toughness, ensuring it can withstand the harsh conditions encountered in high-temperature environments. It retains its structural integrity even when exposed to extreme heat, making it suitable for applications such as furnaces, boilers, and gas turbines. Special steel also maintains its dimensional stability at elevated temperatures, which means it does not deform or warp easily. This property is crucial in high-temperature mechanical applications where precise dimensions and tight tolerances are required for optimal performance. Furthermore, special steel exhibits excellent corrosion resistance, even at high temperatures. This resistance is crucial in preventing the formation of oxide scales and reducing the risk of premature failure due to corrosion. In summary, special steel performs exceptionally well in high-temperature mechanical applications due to its enhanced heat resistance, strength, toughness, dimensional stability, and corrosion resistance. It provides reliability and durability in extreme heat conditions, making it a preferred choice for various industries where high-temperature environments are encountered.

Q:What are the different methods of surface peening for special steel?: Surface peening is a process used to improve the mechanical properties of special steels by inducing compressive stresses on the surface. This technique helps to enhance the fatigue life, resistance to stress corrosion cracking, and overall durability of the material. There are several methods of surface peening that can be employed on special steel, including: 1. Shot Peening: This method involves bombarding the surface of the steel with high-velocity spherical particles, known as shot. The impact of the shot particles creates plastic deformation and induces compressive stresses on the surface. Shot peening is widely used due to its effectiveness in improving fatigue life. 2. Ultrasonic Peening: Ultrasonic peening utilizes high-frequency vibrations to induce compressive stresses on the surface of the steel. The vibrations are applied through a tool that is in contact with the surface, causing plastic deformation and the generation of compressive stresses. 3. Laser Peening: In laser peening, a high-energy laser beam is used to create shockwaves on the surface of the steel. These shockwaves induce plastic deformation and generate compressive stresses. Laser peening is known for its precision and ability to target specific areas of the material. 4. Cavitation Peening: This method involves creating cavitation bubbles in a liquid medium near the surface of the steel. The collapse of these bubbles generates high-intensity shockwaves that induce compressive stresses on the surface. Cavitation peening is particularly useful for irregularly shaped components. 5. Needle Peening: Needle peening is a technique where a bundle of fine needles is repeatedly impacted on the surface of the steel. This process induces plastic deformation and generates compressive stresses. Needle peening is commonly used for localized treatment of small areas. Each of these methods has its advantages and is suitable for specific applications. The selection of the surface peening method depends on factors such as the type of special steel, component geometry, desired improvements, and available equipment. It is important to consider the specific requirements and consult with experts to determine the most appropriate method for surface peening special steel.

Q:How is special steel used in the production of automotive springs?: Special steel is used in the production of automotive springs due to its unique properties that make it ideal for this application. Automotive springs, such as suspension springs and valve springs, need to be able to withstand heavy loads, repetitive stress, and high temperatures. Special steel, also known as alloy steel, is specifically designed to have enhanced mechanical properties compared to regular steel. It is typically made by adding additional alloying elements such as chromium, nickel, or molybdenum to improve its strength, hardness, and resistance to wear and fatigue. In the production of automotive springs, special steel is used to create springs that can handle the demanding conditions of the vehicle's suspension system. These springs must be able to absorb and distribute the weight of the vehicle, while also providing a smooth and comfortable ride. The high strength of special steel allows automotive springs to withstand heavy loads without deforming or breaking. This is crucial to ensure the stability and safety of the vehicle, especially during rough road conditions or when carrying heavy loads. Moreover, special steel's resistance to fatigue is essential in the production of automotive springs. These springs undergo millions of cycles of compression and expansion during the vehicle's lifetime. The fatigue resistance of special steel ensures that the springs can maintain their performance and reliability over an extended period. Additionally, special steel's resistance to wear and corrosion is beneficial in automotive applications. Springs are exposed to various environmental elements, such as moisture, dirt, and chemicals, which can lead to corrosion and degradation. Special steel's corrosion resistance helps to prolong the lifespan of automotive springs and maintain their functionality. In summary, the use of special steel in the production of automotive springs ensures that these critical components can withstand heavy loads, repetitive stress, and high temperatures. Its enhanced mechanical properties, including strength, fatigue resistance, and corrosion resistance, make it an ideal material choice for automotive springs, contributing to the overall performance and durability of vehicles.

Q:What are the different heat treatment processes used in special steel?: There are several heat treatment processes used in special steel, including annealing, normalizing, quenching, tempering, and precipitation hardening. Annealing involves heating the steel to a high temperature and then slowly cooling it, which helps to relieve internal stresses and improve its ductility. Normalizing is similar to annealing, but the cooling process is done in still air, resulting in a more uniform grain structure. Quenching involves rapidly cooling the steel in a liquid, such as water or oil, to achieve high hardness and strength. Tempering is a process that follows quenching, where the steel is reheated to a specific temperature and then cooled, which reduces the brittleness and improves toughness. Lastly, precipitation hardening involves heating the steel to a high temperature and then cooling it quickly to form fine precipitates that enhance its strength.

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