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 common challenges in machining titanium alloys?: Successful and efficient results in machining titanium alloys require addressing several common challenges. One primary challenge is the inherent strength and hardness of the material. Titanium alloys are renowned for their excellent strength-to-weight ratio, making them ideal for various applications. However, this same strength makes them difficult to machine. The high strength of titanium alloys increases the cutting forces needed during machining, resulting in faster tool wear and reduced tool life. This necessitates the use of robust cutting tools made from carbide or ceramic, capable of withstanding demanding conditions and maintaining cutting performance. Another challenge in machining titanium alloys is their poor thermal conductivity. This characteristic leads to rapid heat buildup during cutting, causing localized high temperatures. These high temperatures can cause thermal damage to both the cutting tool and the workpiece, reducing dimensional accuracy and surface finish. To overcome this challenge, implementing effective cooling and lubrication techniques, such as using coolant or high-pressure air, is crucial to dissipate heat and prevent overheating. Furthermore, machining titanium alloys often results in the generation of built-up edge (BUE). BUE refers to the accumulation of workpiece material on the cutting tool, leading to poor chip evacuation, increased cutting forces, and surface finish issues. To mitigate BUE formation, it is recommended to use appropriate cutting speeds and feed rates, as well as cutting fluids that aid in chip evacuation and prevent material adhesion on the tool. Additionally, titanium alloys react strongly with oxygen, causing the formation of a stubborn oxide layer on the surface during machining. This oxide layer can cause tool chipping and premature wear. To combat this, it is necessary to employ suitable cutting speeds and feeds that efficiently remove material while minimizing prolonged exposure to the reactive nature of titanium alloys. Lastly, the low thermal expansion coefficient of titanium alloys can result in workpiece distortion and dimensional inaccuracies. To address this challenge, it is important to ensure proper fixturing and clamping techniques that minimize workpiece movement during machining. In conclusion, machining titanium alloys presents challenges such as high cutting forces, poor thermal conductivity, built-up edge formation, reactive oxide layer, and workpiece distortion. These challenges can be overcome by using appropriate cutting tools, effective cooling and lubrication techniques, proper cutting parameters, and careful workpiece handling.

Q: What are the main characteristics of electrical steel forgings?: Electrical applications greatly benefit from the numerous advantageous features possessed by electrical steel forgings. Firstly, their low core loss property minimizes energy loss as heat during the magnetic cycle, making them exceptionally suitable for devices like transformers, motors, and generators. Consequently, the overall efficiency and performance of these devices are significantly enhanced. Secondly, electrical steel forgings exhibit high magnetic permeability, enabling them to conduct magnetic flux with ease. This attribute facilitates effective magnetic induction and maximizes the strength of the magnetic field in electrical components. As a result, energy conversion and transmission are efficiently achieved. Moreover, electrical steel forgings possess low coercivity, indicating that they require minimal magnetic field strength for magnetization and demagnetization. This characteristic results in quicker and more precise magnetic switching in electrical devices, leading to improved performance and reduced energy losses. Additionally, electrical steel forgings possess high electrical resistivity, which effectively restricts the flow of electrical current and diminishes energy losses due to eddy currents. This attribute is particularly vital in applications where electrical steel forgings are subjected to rapidly changing magnetic fields, such as in power transformers. Lastly, to further enhance their electrical performance and prevent short circuits or electrical leakage, electrical steel forgings are often treated with surface insulation coatings or coatings with high electrical resistivity. In conclusion, electrical steel forgings offer a range of essential characteristics including low core loss, high magnetic permeability, low coercivity, high electrical resistivity, and the ability to be coated for insulation. These properties make them indispensable in various electrical applications, ensuring efficient energy conversion, reduced losses, and reliable performance.

Q: Can special steel be used in the oil refinery industry?: Yes, special steel can be used in the oil refinery industry. Special steel alloys such as stainless steel, duplex stainless steel, and nickel-based alloys have excellent corrosion resistance properties, high temperature strength, and resistance to cracking, making them ideal for various applications in oil refineries. These materials can be used for equipment such as pipes, valves, heat exchangers, and storage tanks, ensuring the safe and efficient operation of oil refineries.

Q: What are the heat treatment processes used for special steel?: The heat treatment processes commonly used for special steel include annealing, tempering, quenching, and case hardening.

Q: What are the common challenges in welding special steel?: When welding special steel, there are several challenges that differ from welding regular carbon steel. Some common challenges in welding special steel include the following: 1. High carbon content: Special steels often have a high carbon content, which can increase hardness and brittleness. Achieving a proper weld without cracks or defects can be more difficult. 2. High alloy content: Special steels often contain various alloying elements like chromium, nickel, or molybdenum, which can affect weldability. These elements can introduce complexities, such as increased susceptibility to heat-affected zone (HAZ) cracking or the formation of brittle phases. 3. Heat sensitivity: Special steels are often more sensitive to heat during welding. Excessive heat can cause grain growth, reduced mechanical properties, or distortion of the welded structure. Therefore, careful control of heat input and preheating techniques may be necessary. 4. Pre-weld and post-weld treatments: Specific pre-weld and post-weld treatments may be required for special steels to ensure proper weld quality and performance. These treatments can include preheating, stress relieving, or post-weld heat treatment. Failure to follow these procedures can result in residual stresses or reduced mechanical properties. 5. Joint design and fit-up: The design and fit-up of the weld joint can also present challenges. Special steels may require specific joint configurations, such as a double-V or double-U groove, to ensure adequate penetration and fusion. Additionally, tight tolerances may be necessary to maintain desired mechanical properties. 6. Welding process selection: The choice of welding process can greatly impact the success of welding special steel. TIG or laser welding may be more suitable for high-alloy steels, while MIG or submerged arc welding may be better for specific applications. Selecting the appropriate welding process is crucial for achieving a sound weld with desired properties. To overcome these challenges, it is essential to thoroughly understand the specific type of special steel being welded and follow proper welding procedures and techniques. This may involve conducting pre-weld qualification tests, using suitable welding consumables, and ensuring proper heat control throughout the welding process. Additionally, working with experienced welders and seeking guidance from experts in special steel welding can effectively overcome these challenges.

Q: What are the main characteristics of structural steel forgings?: Structural steel forgings possess several key characteristics that make them ideal for various applications in construction and engineering. Firstly, one of the main characteristics of structural steel forgings is their exceptional strength and durability. Steel is known for its high tensile strength, which allows it to withstand heavy loads and resist deformation under stress. This makes structural steel forgings suitable for supporting large structures and withstanding dynamic forces such as wind or seismic activity. Another important characteristic is the versatility of structural steel forgings. Steel can be fabricated into a wide range of shapes and sizes, making it adaptable for different design requirements. It can be forged into complex shapes with intricate details, allowing for precise and customized components to be created. This versatility enables structural steel forgings to be used in a variety of applications, from beams and columns in buildings to bridges and offshore structures. Additionally, structural steel forgings have excellent weldability. Steel can be easily joined together using various welding techniques, allowing for the creation of strong and reliable connections. This enhances the overall structural integrity of steel components and ensures their longevity. Another key characteristic of structural steel forgings is their cost-effectiveness. Steel is one of the most economical construction materials due to its abundance, recyclability, and ease of manufacturing. The production process for steel forgings is efficient and can be scaled up to meet large-scale construction projects, making it a cost-effective choice for many applications. Furthermore, structural steel forgings are known for their resistance to corrosion. Steel can be treated with coatings or alloys to enhance its resistance to rust and other forms of corrosion. This makes it suitable for use in environments with high humidity, exposure to saltwater, or harsh weather conditions. In conclusion, the main characteristics of structural steel forgings are their exceptional strength, versatility, weldability, cost-effectiveness, and resistance to corrosion. These characteristics make structural steel forgings a preferred choice for various construction and engineering applications, providing durability, reliability, and longevity to structures.

Q: What are the different coating techniques for special steel?: There are several different coating techniques that can be used for special steel to enhance its properties and protect it from corrosion or wear. Some of the commonly used coating techniques include: 1. Electroplating: In this technique, a thin layer of metal is deposited onto the surface of the steel using an electric current. This can be done with various metals such as zinc, nickel, or chrome, depending on the desired properties of the coated steel. 2. Hot-dip galvanizing: This technique involves immersing the steel in a molten zinc bath, which forms a protective layer on the surface. Hot-dip galvanizing is commonly used for outdoor applications, as it provides excellent corrosion resistance. 3. Powder coating: In this technique, a dry powder is applied to the surface of the steel and then heated to form a protective coating. Powder coating offers a wide range of colors and finishes and provides both corrosion and wear resistance. 4. Thermal spraying: This technique involves heating a coating material, such as zinc or aluminum, to a high temperature and then spraying it onto the steel surface. Thermal spraying is commonly used for high-temperature applications, as it provides excellent resistance to heat and corrosion. 5. PVD coating: Physical vapor deposition (PVD) is a technique where a thin film of metal is deposited onto the steel surface through a vacuum process. PVD coatings can provide various properties such as hardness, wear resistance, and decorative finishes. 6. Carbonitriding: This is a surface hardening technique where the steel is heated in a furnace containing a carbon and nitrogen-rich atmosphere. Carbonitriding forms a hard, wear-resistant layer on the steel surface, improving its durability. These coating techniques offer different advantages and are chosen based on the specific requirements of the application. By applying these coatings, special steel can be made more resistant to corrosion, wear, and other forms of degradation, extending its lifespan and enhancing its performance in various industries.

Q: What are the common applications of special steel?: Special steel, also known as alloy steel, finds wide usage across various industries owing to its distinct properties and advantages. Some prevalent applications of special steel are as follows: 1. Automotive industry: In the automotive sector, special steel is extensively employed for the production of engine components such as crankshafts, camshafts, connecting rods, and valves. Its exceptional strength, durability, and resistance to wear render it ideal for enduring the rigorous conditions within internal combustion engines. 2. Aerospace industry: The aerospace industry heavily relies on special steel for manufacturing critical components like landing gear, turbine blades, and structural parts. Its remarkable strength-to-weight ratio, excellent heat resistance, and ability to withstand extreme conditions are indispensable in ensuring the safety and reliability of aircraft. 3. Energy industry: The energy sector, particularly power generation, heavily depends on special steel. It is used in the manufacturing of turbine blades, steam pipes, pressure vessels, and other power plant components. Its capacity to endure high temperatures, pressure, and corrosive environments makes it suitable for these demanding applications. 4. Oil and gas industry: Within the oil and gas sector, special steel is extensively utilized in the production of pipes, valves, fittings, and drilling equipment. Its corrosion resistance and high strength guarantee the secure transportation and extraction of oil and gas in harsh environments. 5. Construction industry: Special steel is commonly employed in the construction sector for various purposes. It is used in the manufacturing of reinforcement bars, structural components, and fasteners. Its high tensile strength, durability, and resistance to corrosion make it an ideal choice for withstanding the loads and environmental conditions encountered in construction projects. 6. Tool and die making: Special steel is widely employed in the production of tools and dies. Its high hardness, wear resistance, and toughness make it suitable for manufacturing cutting tools, molds, dies, and other precision components used across various industries. 7. Medical industry: In the medical sector, special steel is used for the production of surgical instruments, implants, and medical devices. Its biocompatibility, corrosion resistance, and sterilization capabilities make it suitable for these critical applications. In conclusion, special steel finds extensive applications in the automotive, aerospace, energy, oil and gas, construction, tool and die making, and medical industries due to its unique properties and ability to withstand demanding conditions.

Q: How does special steel contribute to the automotive industry?: Special steel contributes to the automotive industry by providing enhanced strength, durability, and performance to various vehicle components. It is used in critical parts such as engine components, chassis, suspension systems, and safety features like airbags and seatbelts. Special steel's high tensile strength allows for lighter weight designs, improving fuel efficiency and reducing emissions. Additionally, its corrosion resistance properties ensure longevity and reliability of automotive parts, ultimately enhancing overall vehicle safety and performance.

Q: How does special steel contribute to the medical field?: Unique properties and characteristics of special steel are essential in the medical field, playing a crucial role. Surgical instruments and medical devices heavily rely on special steel due to its exceptional strength, durability, and corrosion resistance. These qualities ensure that the instruments can endure the demanding surgical environment, maintain sharpness for extended periods, and withstand sterilization processes. Moreover, special steel finds application in the manufacturing of implants and prosthetics. Its biocompatibility and high strength-to-weight ratio make it an ideal material for creating artificial joints, spinal implants, and dental implants. The ability of special steel to integrate with the human body without causing adverse reactions or rejection is vital for the success of these medical interventions. Additionally, special steel is utilized in the production of medical equipment such as MRI machines, X-ray machines, and radiation shields. Certain types of special steel possess unique magnetic properties, enabling the creation of powerful magnets used in MRI machines. This allows for detailed and accurate imaging of the human body. Furthermore, special steel's ability to shield against radiation makes it a critical component in radiation therapy equipment, safeguarding healthcare professionals and patients from harmful radiation exposure. In conclusion, special steel's strength, durability, corrosion resistance, biocompatibility, and unique magnetic properties make it an indispensable material in the medical field. It finds applications in surgical instruments, medical devices, implants, prosthetics, and medical equipment. The contributions of special steel in ensuring the safety, effectiveness, and success of various medical procedures and treatments are invaluable.

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