Rolled Prepainted Steel Coil Z75 for Construction
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 30000 m.t./month
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Structure of Rolled Prepainted Steel Coil Z75 for Construction
Description of BMT Rolled Prepainted Steel Coil for Construction
BMT Prepainted Rolled Steel Coil is a kind of coated steel coil/sheet. With the cold rolled steel of different strength and thickness as substrate, it is produced through applying Zn coating on both faces by hot dip process. Its surface has bright silver color and regular embossed-like figure, which are highly decorative.
Main Feature of Rolled Prepainted Steel Coil Z75 for Construction
1.Corrosion resistance: It mainly depends on the aluminum protection. When the zinc being worn, the aluminum will form a dense layer of aluminum oxide, resist corrosion material to prevent further corrosion inside.
2. Heat reflective: Galvanized steel plate heat-reflective high rate is twice as galvanized steel, often used to make insulation materials.
3. Economy: Because density of 55% AL-Zn is smaller than the density of Zn, so in the same weight and thickness of Galvanized zinc layer, aluminum-zinc steel plate is larger area more than 3% of galvanized steel sheet.
Applications of Rolled Prepainted Steel Coil Z75 for Construction
1. Construction and building: roofing; ventilating duct; handrail; partition panel
2. Electric appliance: refrigerator; washing machine; refrigerator..
3. Transportation: oil tank; road sign; etc.
4. Agriculture:barn; etc.
5. Others: vending machine; game machine; etc.
Specifications of Rolled Prepainted Steel Coil Z75 for Construction
Product | BMT Prepainted Rolled Steel Coil for Construction |
Material Grade | SGCC / SGCH / DX51D+Z/DX51D+AZ etc |
Thickness | 0.3-3.5mm |
Width | 600-1250mm |
Tolerance | Thickness: +/-0.02mm , Width:+/-2mm |
Zinc-coating | Z50-150g/m2 |
Technique | Raw material: Hot rolled steel coil > Cold rolled>hot dipped galvalume |
Surface | Dried, Chromated, Unoiled |
Spangle | Regular spangle , small spangle, zero spangle |
ID | 610MM |
Coil weight | 3-15MT max |
Export package | Cardboard inner sleeves, Waterproof paper, galvanized steel covered and steel strip packed |
FAQ of Rolled Prepainted Steel Coil Z75 for Construction
We have organized several common questions for our clients，may help you sincerely：
1. What is your guarantee against colour fading?These products can be customized according to your requirement, including zinc coating,
printing color, roll width, etc.
2. What is the general delivery time?
Usually it is within thirty working days after received buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 20- 25 days, but the shipment will depend on the vessel situation.
3. How do you promise the quality of the steels？
We have established the international advanced quality management system ,every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.
- Q:How are steel coils inspected for surface defects using non-destructive testing methods?
- Steel coils are inspected for surface defects using non-destructive testing (NDT) methods to ensure their quality and integrity. There are several common NDT methods employed in this process. One of the most widely used methods is visual inspection, where trained inspectors visually examine the surface of the steel coils for any visible defects such as scratches, cracks, pits, or corrosion. This method is relatively simple and cost-effective but is limited to detecting only surface-level defects. Another commonly used NDT method is magnetic particle testing (MT). This method utilizes the principles of magnetism to identify surface and near-surface defects in ferromagnetic materials like steel. A magnetic field is applied to the steel coil, and iron particles are applied to the surface. If there is a defect, such as a crack or discontinuity, the iron particles will concentrate around it, making the defect visible to the inspector. Liquid penetrant testing (PT) is another NDT method used to inspect steel coils for surface defects. In this method, a liquid penetrant is applied to the surface of the coil. The penetrant is drawn into any surface defects by capillary action. After a certain period, excess penetrant is removed, and a developer is applied. The developer draws out the penetrant from any defects, making them visible to the inspector. Ultrasonic testing (UT) is a widely used NDT method that can detect both surface and subsurface defects in steel coils. High-frequency sound waves are transmitted into the steel coil, and the reflected waves are analyzed to identify any abnormalities. This method can detect defects such as cracks, inclusions, and voids that may not be visible to the naked eye. Additionally, eddy current testing (ECT) is another NDT method used for inspecting steel coils. This method utilizes electromagnetic induction to detect surface and near-surface defects. A coil carrying an alternating current is placed near the surface of the coil being inspected. Any changes in the coil's electrical conductivity caused by surface defects are detected and analyzed, allowing the inspector to identify and evaluate the severity of the defects. In conclusion, steel coils are inspected for surface defects using various non-destructive testing methods such as visual inspection, magnetic particle testing, liquid penetrant testing, ultrasonic testing, and eddy current testing. These methods ensure the quality and integrity of the steel coils before they are used in various applications.
- Q:were iron age weapons made of steel?
- Even in very early iron, a small amount of steel was produced by carburization, where the iron picks up carbon by laying in hot coals before quenching. This produces a thin layer of steel on the surface of the iron. By about 300 BC Damascus steel was being produced by the crucible method on the Indian subcontinent, and the Romans used steel from Noricum. In the first century BC the Chinese were melting cast iron and wrought iron together to make steel.
- Q:What are the different steel coil packaging methods?
- There are several different steel coil packaging methods, including using steel strapping or banding to secure the coils, using plastic or metal end caps to protect the edges of the coils, and using wooden or steel pallets to stack and transport the coils. Additionally, some steel coils may be wrapped in protective film or paper to prevent damage during shipping and storage.
- Q:Can solution annealing be done on carbon and low alloy steels. please give an explanatory answer.
- No. Carbon steel has two different crystal structures, FCC and BCC , depending on the temperature. when you heat steel up and then quench it, it locks the crystal structure into the BCC form. this makes it hard. whereas precipitation hardened austentic stainlesses remain BCC regardless of the temp, so the hardness change is not a function of thermally induced strain. you can anneal carbon steel but the thermal profile is closer to the precipitation profile of PH stainlesses than it is to the Solution annealing profile.
- Q:I know you can still but steel core ammo. I have read that it IS Armor Piercing (AP) and I have read it is not. Which is true? I am not looking for its AP capabilities. I want it if it is or is not AP. I live in Oklahoma. I need to know if it legal for me to purchase it in this state; and where can i get it? I am over 18, not a felon, etc. I have seen it sold online in Oklahoma years ago, but have read it is and isn't legal to purchase here. I am looking for 7.62x39 steel core for an SKS. If anyone knows where or how to get some, please let me know, if it's legal. Thanks.
- If it is the same stuff I have seen before it is NOT AP stuff. The steel core is a mild steel that is used as a filler to give the bullet a longer bearing surface by reducing the weight that would have been the additional lead core. If the bullet was filled with all lead it would be over the weight desired for the load OR the projectile would be shorter making it less stable in flight. Also lead is a more costly metal to use than the cheap mild steel that China is producing. Anyone that has bought a tool at Wally World, BLOWES, Or HOMERS DESPOT in the last decade can vouch for how cheap the Chinese steel is...
- Q:Is a steel plate the same as a steel coil?
- Generally speaking, they can be used interchangeably, and the purchase price of the plate is slightly cheaper.
- Q:How are steel coils used in the production of electronic devices?
- Steel coils are used in the production of electronic devices for various purposes, such as creating magnetic fields, providing structural support, and acting as conductors in transformers and inductors. These coils are typically wound around a core material, such as ferrite or laminated iron, to enhance their magnetic properties and improve their performance in electronic circuits.
- Q:What is the cost of a steel coil?
- The cost of a steel coil can vary depending on several factors such as the type of steel, size, weight, and market conditions. It is best to contact a steel supplier or manufacturer for an accurate and up-to-date price quote.
- Q:What are the different types of steel coils available?
- There are several types of steel coils available, including hot rolled coils, cold rolled coils, galvanized coils, stainless steel coils, and coated coils.
- Q:How are steel coils used in the manufacturing of electrical transformers?
- Steel coils are used in the manufacturing of electrical transformers as they serve as the core of the transformer. The coils are wound around the steel core to create an electromagnetic field that efficiently transfers electrical energy from one coil to another. The steel coils help to increase the magnetic flux and enhance the efficiency of the transformer, allowing for the transformation of electrical voltage levels.
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Rolled Prepainted Steel Coil Z75 for Construction
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 30000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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