Hot Dipped Galvanized Steel in Cold Rolled/ Aluzinc Cold steel rolled
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 9000 m.t./month
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Cold Rolled Steel Coil
Advantages of our Cold Rolled Steel coils
1.Excellent corrosion resistance.: The zinc layer provides a good protection of Pre-painted Galvanizeed Steel Sheet.
2.High heat resistance: The reflective surface of the material aids in efficiently reflecting the sunlight away and in turnreducing the amount of heat transmitted.The thermal reflectivity converts into energy savings.
3.Aesthetics: Pre-Painted Galvanized steel sheet is available in plethora of patterns and multiple sizes as per the requirements that given by our customers.
4.Versatility: can be used in the various areas.
Specifications
COLD ROLLED STEEL COILS
Thickness: 0.12-2.5mm
Coil width:600-1250mm
Coil weight: 2.0-8.0MT
Steel grades:Q195-Q345,GR.A,SGCC, SPCC,SPHC,DX51D, ETC.
Standard: JIS G3302, JIS G3313, ASTM A653, GB/T2518-88, GB11253-89,ASTM A1008-2000,BS,ETC.
Place of Origin: Shandong, China (Mainland)
Standard: AISI, ASTM, BS, DIN, GB, JIS
Type: Steel Coil
Technique: Cold Rolled
Packing
Standard seaworthy export packing:
3 layers of packing, inside is kraft paper, water plastic film is in the middle and outside GI steel sheet to be covered by steel strips with lock,with inner coil sleeve.
Standard
JIS G 3312, ASTM A755, EN10169,GB/T2518
Base sheet: Galvanized steel coils\ Galvalume steel, such as SGCC, CGCC, DX51D+Z, Q195,etc
Base metal: Hot galvanized steel or PrePainted Galvanized aLuminium steel or HBR>85
Techinque: Cold rolled, hot-dipped galvanizing, color coated
Quality: CQ DQ prime
Lifespan: 10-15 years
Payment and Delivery Time
1. Payment: 30% T/T as deposit and 70% balance irrevocable L/C at sight or nogotiate
2. Delivery Time: 10-20 days after recepit of 30% T/T.
Applications of Cold Rolled steel coil
The great cold plate can be used for chemical industry,dye,oil and other packaging materials,with a barrel for house-hold appliances of various parts of the processing and production,for motorcycle cylinder, cylinder,car door,chassis and other parts of the production.Agricultural vehicle body,ventilation pipe light construction,anti-static floor panels,door panels,large dust collector inside the grid plate,a bicycle handle,metal materials,machinery processing and other industries.
Our Strength
--ISO,SGS,BV,CE approved
--Competitive price with best quality and service
--Nearest sea port, Convenient transportation
--More than 20 years Export Experiences
| Raw material | SGCC, SPCC, DC51D, SGHC,A653 |
| Steel gardes | Q195-Q345, GR.A, SGCC, SPCC,CGCC,SPHC, DX51D, etc. |
| Standard | JIS G3302, JIS G3313, ASTM A653, GB/T2518-88, GB11253-89, ASTM A1008-2000, BS, etc. |
| Thickness | 0.12mm-2.5mm |
| Width | 600mm-1250mm |
| Tolerance | thickness+/-0.01mm |
| Single weight | 2.0-8.0MT |
| Packing | Wrapped by plastic film and waterproof paper, and then fastened on wooden pallet. Or as you request. |
| Minimum quantity | Can be 25MT |
| Price | |
| Delivery time | 15-20 days after we sign the contract. |
| Payment terms | T/T or L/C |
| Supply ability | 15000 MT per month |
we can supply the galvanized steel coils you need with most competitive price and high quality.
Special size and standard can be accepted!
FAQ
1. Is the sample available?
Yes, samples can be sent for test if you need.
- Q: what is the differance between ceramic and stainless steel headers and 4-2-1 and 4-1 and which are better for racing and should i get ceramic or stainless steel headers???? for a 98 civic
- 1) okorder ... The top two are of 4-1 design. Good luck, have fun.
- Q: Which steels were origianally designed to be used to cut and shape metals and other materials?- alloy steel- high carbon steel- carbide steel- tool steelthanks
- Tool steels These were designed to be used as hardenable, dimensionally stable materials for cutting of metals. The alloying elements they contain (including tungsten, vanadium, niobium and molybdenum as well as chromium)are there to produce carbides (mainly) which are stable at dull-red heat. This cannot be achieved with high carbon steels, carbide steels or (normal) alloy steels which all lose their strength and hardness at metal cutting temperatures.
- Q: What are the different methods of annealing steel coils?
- There are several different methods of annealing steel coils, each with its own advantages and applications. The main methods include full annealing, process annealing, and spheroidize annealing. Full annealing is the most common method and involves heating the steel coils to a temperature above its critical point, typically between 800 and 900 degrees Celsius (1472 and 1652 degrees Fahrenheit), and then slowly cooling it down in a controlled manner. This process helps to refine the grain structure of the steel, making it softer and more ductile. Full annealing is often used to relieve internal stresses, improve machinability, and enhance the overall mechanical properties of the steel. Process annealing, also known as subcritical annealing or stress relief annealing, is a method used to reduce the hardness and brittleness of steel coils. It involves heating the coils to a temperature below its critical point, typically between 550 and 650 degrees Celsius (1022 and 1202 degrees Fahrenheit), and then slowly cooling them down. This process helps to relieve internal stresses that may have developed during previous manufacturing processes, such as cold working or welding. Process annealing is commonly used to improve the formability and toughness of steel coils. Spheroidize annealing is a specific type of annealing that is used to soften high carbon and alloy steels. It involves heating the steel coils to a temperature slightly below its critical point, typically between 650 and 700 degrees Celsius (1202 and 1292 degrees Fahrenheit), and then holding it at that temperature for a prolonged period of time. This allows the carbides within the steel to transform into rounded or spheroidal shapes, which increases the steel's machinability and ductility. Spheroidize annealing is often employed in the production of cutting tools, bearings, and other applications where improved machinability is desired. In addition to these main methods, there are also variations and specialized techniques that can be used for specific purposes, such as recrystallization annealing, intercritical annealing, and solution annealing. Each method has its own set of parameters and temperature ranges, and the choice of annealing method depends on factors such as the type of steel, desired mechanical properties, and the intended application of the steel coils.
- Q: What are the common standards and specifications for steel coils?
- The common standards and specifications for steel coils include ASTM A36/A36M, ASTM A572/A572M, ASTM A1011/A1011M, and ASTM A653/A653M. These standards outline the requirements for the chemical composition, mechanical properties, dimensions, and other characteristics of steel coils used in various industries, such as construction, automotive, and manufacturing. Additionally, international standards like EN 10025 and JIS G3101 are also commonly followed in different regions.
- Q: What is the process of uncoiling steel coils?
- The process of uncoiling steel coils involves unwinding the tightly wound steel coils using specialized equipment such as uncoiling machines or decoilers. These machines utilize hydraulic or mechanical systems to hold the coil securely while gradually releasing the tension on the coil. As the coil is released, it starts to unwind, with the steel strip gradually straightening out. This process allows for the easy feeding of the steel strip into further production processes such as cutting, stamping, or forming.
- Q: What are the different types of steel coil cuts?
- There are several different types of steel coil cuts, including hot-rolled, cold-rolled, galvanized, and stainless steel coil cuts.
- Q: What are the challenges in welding steel coils?
- There are several challenges in welding steel coils that need to be addressed in order to ensure successful and high-quality welds. One of the main challenges is achieving proper joint preparation. Steel coils often have different surface conditions, such as rust, scale, or oil, which need to be cleaned or removed before welding. This requires extensive cleaning and preparation to ensure a clean and sound welding surface. Another challenge is the control of heat input. Steel coils are typically thin, and excessive heat can cause distortion, warping, or even burn-through. Welding operators need to carefully control the heat input to prevent these issues and maintain the integrity of the coils. Moreover, the presence of residual stresses is a significant challenge. Steel coils are often subjected to various stresses during manufacturing, transportation, and handling, which can lead to distortion or cracking during welding. Adequate preheating and post-weld heat treatment may be necessary to relieve these stresses and prevent any potential defects. Ensuring proper weld penetration is also crucial. Steel coils may have varying thicknesses, and achieving consistent and adequate weld penetration throughout the joint can be challenging. Welding operators need to choose the appropriate welding parameters and techniques to ensure complete fusion and a strong bond. Lastly, the size and weight of steel coils can pose logistical challenges during welding. Handling large and heavy coils requires specialized equipment and proper positioning to ensure safe and efficient welding. Additionally, the length of the coils may require multiple passes or continuous welding, which demands skilled operators and precise coordination. Overall, welding steel coils requires careful attention to joint preparation, heat control, stress relief, weld penetration, and logistical considerations. Overcoming these challenges ensures the production of high-quality and durable welded steel coils.
- Q: What are the main raw materials used in making steel coils?
- The main raw materials used in making steel coils are iron ore, coal, and limestone.
- Q: I know that the steel is significantly harder than when air cooled, but why is the quenched steel harder?
- Quenching results in smaller grains than air cooled. This means more boundaries, which means harder steel.
- Q: What are the common coil processing equipment used in the industry?
- Some common coil processing equipment used in the industry include coil slitting machines, coil winding machines, coil straighteners, coil feeders, and coil cradles. These machines are used to cut, shape, and feed metal coils in various manufacturing processes.
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Hot Dipped Galvanized Steel in Cold Rolled/ Aluzinc Cold steel rolled
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 9000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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