good hot-dip galvanized/ auzinc steel in China
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 5000000 m.t./month
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Hot-dip aluzinc steel sheet is substrated on cold rolled steel (CRC) in various strength and specification. Coating composition is 55% aluminum in weight ratio, 43.4% zinc, and 1.5% silicon, with excellent corrosion and heat resistance performance.
Description:
1.Mateials:SGCC,DX51D / DX52D /S250,280GD
2.Size:width:600-1250mm(900mm,1215mm,1250mm,1000mm the most common)
thickness:0.15-2.0mm
length:1000-6000mm,as your require
3.Zinc coating :60-180g( as required)
4.Coil id:508mm
5.Coil weight: 3-5MT(as required)
6. Surface:regular/mini/zero spangle, chromated, skin pass, dry etc.
Applications of our Galvalume Coil:
Galvalume Coil widely used for roofing products, It is also the ideal base material for Prepainted Steel Coil.
1. roofing
2. gutters
3. unexposed automotive parts
4. appliances
5. furniture
6. outdoor cabinetry
Production of cold formed corrugated sheets and profiles for roofing, cladding, decking, tiles, sandwich walls, rainwater protective systems, air conditioning duct as well as electrical appliances and engineering.
- Q: What is a steel coil?
- A steel coil is a long, continuous sheet of steel that has been wound into a coil shape. It is typically made from hot-rolled or cold-rolled steel and is used in various industries for manufacturing purposes, such as in automotive, construction, and appliance sectors.
- Q: What is the process of slitting steel coils into narrower strips?
- The process of slitting steel coils into narrower strips involves feeding a large steel coil through a slitting machine. The machine uses circular blades or rotary knives to make precise cuts along the length of the coil, creating narrower strips. These strips are then rewound onto separate reels or spools, ready for further processing or shipment.
- Q: What are the common standards and specifications for steel coils?
- There are several common standards and specifications for steel coils that are widely recognized and used in the industry. Some of the most common ones include: 1. ASTM A36/A36M: This specification covers carbon structural steel shapes, plates, and bars of structural quality for use in riveted, bolted, or welded construction. 2. ASTM A572/A572M: This specification covers high-strength low-alloy columbium-vanadium structural steel shapes, plates, sheet piling, and bars for applications in bolted, riveted, or welded construction. 3. ASTM A653/A653M: This specification covers steel sheet, zinc-coated (galvanized) or zinc-iron alloy-coated (galvannealed) by the hot-dip process. 4. ASTM A1011/A1011M: This specification covers hot-rolled, carbon, structural, high-strength low-alloy, high-strength low-alloy with improved formability, and ultra-high strength steel sheet and strip in coils. 5. JIS G3302: This Japanese Industrial Standard specifies the requirements for hot-dip zinc-coated steel sheet (galvanized steel sheet) and strip. 6. EN 10111: This European standard specifies the requirements for continuously hot-rolled low carbon steel sheet and strip for cold forming. 7. ISO 3575: This International Organization for Standardization standard specifies the requirements for hot-dip zinc-coated and zinc-iron alloy-coated steel sheet and strip. These are just a few examples of the common standards and specifications used for steel coils. It is important to note that different industries and applications may have specific requirements, so it is always advisable to consult the relevant standards and specifications for the specific application.
- Q: I'm trying to buy a Survival,tactical knife but don't know what steel is better
- You pay your money and take your choice. High carbon non-stainless steels are easier to sharpen and hold their cutting edge longer than stainless. Stainless steels generally are rust resistant, not rust-proof. However, there are more than 40 types of steels being used for knife-making. Probably the best in the stainless range are the American Hi-performance Stainless Steels. These are graded as; CPM440V, CPM420V, CPM10V, CPM3V and 154-CM. Incidentally, nearly all knife steels contain carbon in varying amounts. The only one that I am aware of that does not contain any carbon is Sandvic12C-27.
- Q: What are the common methods of recoiling steel coils?
- The common methods of recoiling steel coils include slitting, rewinding, oscillating, and recoiling using a mandrel or a recoiler machine. Slitting involves cutting the wide coil into smaller widths, while rewinding involves rewinding the coil into a tighter, more compact roll. Oscillating is a method where the coil is wound back and forth to create a narrow, oscillating coil. Finally, recoiling using a mandrel or a recoiler machine involves winding the coil onto a mandrel or a spool to create a new coil of desired size and shape.
- Q: which is the most tough and durable steel type ??
- Speaking of Building Construction, we use grade 450 and 450B not because of toughness, its because it best serves its purpose, reinforcing concrete structure should provide the enough ductility of structure to resist flexure/bending when loads are imposed on it.
- Q: What are the factors to consider when selecting a supplier for steel coils?
- When selecting a supplier for steel coils, there are a few key factors to consider. Firstly, the quality of the steel coils is crucial. It is important to assess the supplier's reputation, certifications, and track record for delivering high-quality products. Secondly, pricing and cost-effectiveness play a significant role. Comparing prices and negotiating favorable terms with different suppliers is essential to ensure competitive pricing. Additionally, the supplier's reliability and ability to meet delivery schedules must be thoroughly evaluated. Timely delivery is vital to avoid disruptions in production. Lastly, considering the supplier's location, proximity to the manufacturing facility, and their overall customer service and support are also important factors to take into account.
- Q: What are the different types of steel coil cutting blades?
- There are several different types of steel coil cutting blades, including shear blades, slitting blades, and rotary slitter knives. Shear blades are used for straight cuts and are typically made of high-speed steel or carbide. Slitting blades are designed for cutting coils into narrower strips and can be made of high-speed steel or tungsten carbide. Rotary slitter knives are used in rotary slitting machines and come in various configurations, such as circular or straight-edged blades, depending on the specific cutting requirements.
- Q: What is the standard weight of steel coils?
- The standard weight of steel coils can vary depending on the specific type and dimensions of the coil. However, a common range for steel coils is between 3 to 25 tons.
- Q: What are the common welding defects in steel coils?
- During the welding process, various defects can occur in steel coils. These defects encompass: 1. Porosity: Gas entrapment during welding results in small holes or voids in the weld metal. This defect weakens the weld and increases its vulnerability to corrosion. 2. Insufficient fusion or incomplete penetration: Inadequate fusion between the base metal and weld metal or incomplete penetration of the joint leads to this defect. A weak or brittle weld is the consequence. 3. Cracks: Cracks can manifest in the weld metal or the heat-affected zone (HAZ) of the base metal. They are caused by factors like high stress levels, improper cooling, or insufficient preheating. Cracks significantly reduce the weld's strength and integrity. 4. Undercutting: Excessive melting of the base metal at the weld's toe creates a groove or depression known as undercutting. This defect weakens the weld and concentrates stress, potentially leading to failure. 5. Excessive spatter: The welding arc expels small droplets of molten metal, which can land on the steel coil's surface. Too much spatter results in a rough or uneven surface finish and necessitates additional cleaning or grinding. To minimize these welding defects in steel coils, it is vital to ensure proper weld preparation, including thorough cleaning to remove any contaminants from the steel's surface. Moreover, utilizing the correct welding parameters, such as appropriate heat input and travel speed, helps minimize defects. Regular inspection and quality control measures also aid in detecting and addressing defects before they escalate into more serious issues.
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good hot-dip galvanized/ auzinc steel in China
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 5000000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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