• Grade S250GD-S550GD Galvanized Steel Coil System 1
  • Grade S250GD-S550GD Galvanized Steel Coil System 2
  • Grade S250GD-S550GD Galvanized Steel Coil System 3
  • Grade S250GD-S550GD Galvanized Steel Coil System 4
  • Grade S250GD-S550GD Galvanized Steel Coil System 5
  • Grade S250GD-S550GD Galvanized Steel Coil System 6
Grade S250GD-S550GD Galvanized Steel Coil

Grade S250GD-S550GD Galvanized Steel Coil

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
3 m.t.
Supply Capability:
10000 m.t./month

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Specification

Type:
Carbon Steel,Spring Steel,Bearing Steel,Gear Steel,Deformed Steel,Stainless Steel,Alloy Steel
Shape:
Steel Coil,Steel Sheet,Steel Wire Rod,Steel Flat Bar,Steel Square Bar,Steel Angle,Steel Round Bar,Steel Billets
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Thickness:
0.13-5.0mm
Width:
600-1570mm
Length:
in coils
Outer Diameter:
in coils
Net Weight:
10 m.t.
Packaging:
seaworthy packaging

Grade S250GD-S550GD Galvanized Steel Coil

 Specification of Grade S250GD-S550GD 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 S250GD-S550GD 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 S250GD-S550GD Galvanized Steel Coil

Grade S250GD-S550GD Galvanized Steel Coil

 

Packaging & Delivery of the Grade S250GD-S550GD Galvanized Steel Coil

Packaging Detail

Sea worthy packing /as per customer's packing instruction

Delivery Detail

15 ~ 40 days after receiving the deposit

 

Products Show:

Grade S250GD-S550GD 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 applications of special steel in the food processing industry?
Special steel is widely used in the food processing industry due to its unique properties. It is utilized for manufacturing various equipment and components that require high strength, corrosion resistance, and hygiene standards. Some applications include the production of food processing machinery, cutting tools, knives, blades, and containers. Special steel ensures durability, cleanliness, and safety, making it an indispensable material in the food processing industry.
Q: What are the different surface finishes available for special steel?
There are several different surface finishes available for special steel, such as polished, brushed, satin, mirror, etched, blasted, and coated finishes. These finishes are used to enhance the appearance, durability, and corrosion resistance of the steel, depending on the specific application and desired outcome.
Q: What are the international standards for special steel?
The international standards for special steel are a set of guidelines and specifications established by organizations such as the International Organization for Standardization (ISO) and the American Society for Testing and Materials (ASTM). These standards outline the requirements for various properties of special steel, including its chemical composition, mechanical properties, and manufacturing processes. They ensure that special steel products meet the necessary quality and performance criteria for use in industries such as automotive, aerospace, and construction worldwide.
Q: What are the different methods of surface coloring for special steel?
There are several methods of surface coloring for special steel, including electroplating, hot-dip galvanizing, powder coating, and physical vapor deposition (PVD). Each method offers unique benefits and can be chosen based on factors such as desired appearance, durability, corrosion resistance, and cost-effectiveness.
Q: What are the benefits of using special steel in the energy sector?
There are several benefits of using special steel in the energy sector. Firstly, special steel offers exceptional strength and durability, making it an ideal material for constructing various energy infrastructure components such as pipelines, pressure vessels, and turbines. Its high tensile strength and resistance to corrosion ensure that these structures can withstand the harsh conditions and pressures encountered in the energy sector, reducing the risk of failures and increasing their lifespan. Secondly, special steel exhibits excellent heat resistance properties, which is crucial in the energy sector where high temperatures are generated. This makes it suitable for applications such as power generation, where it can be used in the construction of boilers, heat exchangers, and nuclear reactors. The ability of special steel to withstand extreme heat without deforming or losing its mechanical properties is vital for ensuring the safe and efficient operation of energy facilities. Moreover, special steel offers superior weldability and formability, allowing for easier fabrication and assembly of complex energy infrastructure components. This makes it easier and more cost-effective to manufacture and install equipment in the energy sector, reducing both production costs and construction time. Another advantage of using special steel in the energy sector is its resistance to fatigue and cracking. Energy infrastructure components are subjected to cyclic loading and stress, which can lead to fatigue failure over time. Special steel's ability to resist fatigue and crack propagation ensures the long-term reliability and safety of energy infrastructure. Furthermore, special steel offers excellent magnetic properties, making it suitable for use in power transmission and electrical equipment. Its magnetic permeability and low electrical resistance allow for efficient transmission and distribution of electricity, reducing energy losses and improving overall system performance. Overall, the benefits of using special steel in the energy sector include enhanced strength, durability, heat resistance, weldability, and fatigue resistance. These properties contribute to the reliability, safety, and efficiency of energy infrastructure, making special steel an invaluable material for the energy sector.
Q: What are the different heat treatment processes used in special steel?
Some of the different heat treatment processes used in special steel include annealing, normalizing, tempering, quenching, and case hardening.
Q: What are the different methods for joining special steel components?
There are several methods for joining special steel components, including welding, brazing, soldering, and mechanical fastening. Welding involves melting the base metals and adding a filler material to create a strong bond. Brazing and soldering use a lower melting point filler material to join the components. Mechanical fastening includes methods like bolts, screws, and rivets to hold the components together. Each method has its own advantages and is chosen based on the specific requirements of the application.
Q: What are the specific requirements for special steel used in the defense sector?
The specific requirements for special steel used in the defense sector are highly demanding due to the critical nature of its applications. These requirements include: 1. Strength and Durability: Special steel used in the defense sector must possess exceptional strength and durability to withstand extreme conditions and resist wear and tear. It should be able to withstand high levels of stress, impact, and pressure. 2. Corrosion Resistance: Defense equipment often operates in harsh environments and is exposed to elements that can cause corrosion. Therefore, special steel used in the defense sector must have excellent corrosion resistance properties to ensure the longevity and reliability of the equipment. 3. Heat Resistance: Defense applications often involve exposure to high temperatures, such as in jet engines or armored vehicle components. Special steel used in these sectors must have the ability to retain its strength and structural integrity even at high temperatures. 4. Machinability and Weldability: Special steel used in the defense sector should have good machinability and weldability characteristics to facilitate the manufacturing and assembly processes. This allows for ease of fabrication, repair, and maintenance of the defense equipment. 5. Hardness and Toughness: Defense applications require special steel to have a combination of hardness and toughness. It should be able to resist penetration and deformation while maintaining the ability to absorb energy and resist fracture. 6. Non-Magnetic Properties: In certain defense applications, such as submarines and magnetic resonance imaging (MRI) equipment, non-magnetic properties are crucial. Special steel used in these sectors must possess low magnetic permeability to avoid interference with sensitive electronic systems. 7. Certification and Compliance: Special steel used in the defense sector must meet specific certification and compliance standards, such as those set by defense organizations or international quality management systems like ISO 9001. These standards ensure the quality, traceability, and reliability of the steel. Meeting these specific requirements for special steel used in the defense sector is vital to ensure the safety, effectiveness, and longevity of defense equipment and systems. Stringent testing and quality control processes are implemented to guarantee that the steel meets the required specifications and standards.
Q: What are the different heat treatment grades of special steel?
Special steel is available in multiple heat treatment grades, each possessing distinct properties and applications. Some commonly used grades include: 1. Annealed Steel: Through the annealing process, this grade is heated to a specific temperature and gradually cooled, enhancing its ductility and reducing hardness. It finds utility in applications demanding toughness and machinability. 2. Normalized Steel: This grade undergoes heat treatment by heating it above its critical temperature and then cooling it in still air. This refines the grain structure, improves mechanical properties, and reduces internal stresses. It is often employed in applications requiring high strength and weldability. 3. Quenched and Tempered Steel: This grade undergoes a two-step heat treatment process. First, it is heated to high temperatures and then rapidly cooled in a quenching medium. This results in hardened and brittle steel. To restore some toughness and reduce brittleness, the steel is reheated to a lower temperature. It is commonly used in applications demanding high strength, such as construction machinery, mining equipment, and automotive components. 4. Precipitation Hardening Steel: This grade is treated through a combination of heat treatment and precipitation hardening. Initially, the steel is solution treated at high temperatures to dissolve alloying elements. Rapid cooling retains a supersaturated solid solution. Subsequently, aging at a lower temperature allows the formation of fine precipitates, enhancing strength and hardness. It is utilized in applications requiring high strength and corrosion resistance, such as aerospace components and high-performance tools. 5. Case Hardening Steel: This grade undergoes surface heat treatment to increase the hardness of the outer layer while maintaining a tough core. Carburizing or nitriding introduces carbon or nitrogen into the surface layer, respectively. It is commonly employed in applications necessitating wear resistance, like gears, bearings, and camshafts. These examples represent the diversity of heat treatment grades in special steel, each offering unique properties and advantages suitable for various industries.
Q: What are the key characteristics to consider when selecting special steel?
When selecting special steel, key characteristics to consider include the steel's composition, mechanical properties, corrosion resistance, heat resistance, and cost efficiency.

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