Colorful PPGI /PPGL from China Manufacturer /PPGL Steel roofing Sheets /PPGI
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 50000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Colorful PPGI /PPGL from China Manufacturer
1. Detailed Specifications:
| Product | PPGI Color Coated Galvanized Steel Sheet/Coloful Steel Coil |
| Base material | Hot dipped galvanized steel sheet |
| Top side: | 15-25µm |
| Back side | 5-8µm |
| Zinc coating : | 30-150g/m2 |
| Width | 700-1250mm |
| Thickness | 0.3-1.0mm , Thickness tolerance: +/- 0.02mm |
| Technique | Cold rolled—>hot dipped galvanized |
| Color | All RAL color,or be customized |
| Coil ID | 508m&610mm |
| Coil weight | ≤5 tons |
| Packing | standard seaworhty package |
| Special specifications can be negotiated. | |
2.Colorful PPGI /PPGL from China Manufacturer
They are mainly used in construction ,light industry, automobile, agriculture, animal husbandry, fishery and commerce,etc industries.
(1) manufacture anticorrosion, industrial and roof boarding,roof grille.
(2) Make home appliance’s case, civil chimney, kitchen utensils.
(3) Corrosion resistant parts of cars.
(4) Food storage, meat and aquatic products’ freezing and processing equipment.
(5) The equipments to store and transport materials, and packing implements.
3. Colorful PPGI /PPGL from China Manufacturer
production Line：
production show：
4.Packaging & Delivery
(1)Metal Band Strapping (2) Outside Diameter Ring (3) Label
(4)Protective Steel Sheet (5) Water and Rustproof paper (6)Steel Sheet
5.FAQ
We have organized several common questions for our clients，may help you sincerely：
①How about your Warranty？
Warranty:
1Year for the whole light. Warranty is based on correct storage, installation, using and maintenanc.
②How to guarantee the quality of the products？
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.
③How long can we receive the product after purchase?
In the purchase of product within three working days, We will arrange the factory delivery as soon as possible.
- Q: How are steel coils inspected for oil or rust residues?
- Steel coils are inspected for oil or rust residues through a series of visual and physical examinations. First, the coils are visually inspected by trained personnel who closely examine the surface of the steel for any signs of oil or rust residues. They look for discoloration, stains, or any other abnormalities that could indicate the presence of contaminants. In addition to the visual inspection, various techniques are used to detect oil or rust residues. One common method is the use of solvent cleaning. A solvent is applied to the surface of the steel coil, and if any oil or rust residues are present, they will dissolve and become visible. This allows the inspectors to identify and remove any contaminants. Another method used for inspection is ultrasonic testing. Ultrasonic waves are sent through the steel coil, and any variations in the waves' reflections can indicate the presence of oil or rust residues. This non-destructive testing method provides a deeper analysis of the condition of the steel, ensuring a more thorough inspection. Furthermore, specialized equipment such as magnetic particle inspection or eddy current testing may also be employed. Magnetic particle inspection involves applying magnetic particles to the steel surface, which will gather around any areas with oil or rust residues. Similarly, eddy current testing uses electromagnetic induction to detect surface irregularities caused by contaminants. Overall, a combination of visual inspection and various testing techniques is employed to thoroughly inspect steel coils for oil or rust residues. These rigorous inspections ensure that the coils meet the required quality standards and are free from any contaminants that could compromise their performance or durability.
- Q: I am doing a project on how revolvers work and what materials they use and would like to know what specific grade of stainless steel they use for the manufacturing of the frame and cylinder?
- *Rifle barrels are usually made from steel alloys called ordinance steel, nickel steel, chrome-molybdenum steel, or stainless steel, depending upon the requirements of the cartridge for which they are chambered. The higher the pressure and velocity of a cartridge (pressure and velocity usually go up together), the faster it will wear out a barrel. To give a satisfactory service life, barrels for high velocity cartridges must me made from tougher and harder steel than barrels for lower pressure cartridges. *The 400 (416) series SS commonly known as ordnance grade , is what barrels are made from . *If you want your barrel to be made from super alloy then it is 718 Inconel ,but a costly affair.
- Q: How are steel coils inspected for paint adhesion using adhesion testers?
- Steel coils are inspected for paint adhesion using adhesion testers in a systematic and rigorous manner. Adhesion testers are devices specifically designed to evaluate the bond strength between the paint and the underlying steel surface. The inspection process begins by selecting representative samples from the steel coils. These samples are usually cut into smaller sections, ensuring that they are free from any defects or surface irregularities that could affect the adhesion test results. Once the samples are prepared, the adhesion testers are employed to measure the force required to detach the paint coating from the steel surface. The most commonly used adhesion tester is the cross-cut adhesion tester. This device consists of a set of blades arranged in a grid pattern. The blades are used to create a series of cuts through the paint coating down to the steel surface, forming a grid of squares or rectangles. After the cuts are made, a specialized tape is applied to the grid area and pressed firmly onto the surface. The tape is then rapidly pulled off at a 90-degree angle to the surface. The force required to remove the paint coating from the steel is measured and recorded. The results of the adhesion test are evaluated based on predetermined standards or specifications. These standards typically define the minimum acceptable adhesion strength for the specific application or industry. If the measured adhesion strength falls below the specified threshold, it indicates poor paint adhesion, which could lead to issues such as paint delamination or corrosion. In addition to the cross-cut adhesion tester, other adhesion testing methods may also be used, such as the pull-off adhesion tester, where a hydraulic or mechanical device applies a tensile force to a small circular or dolly-shaped test area. The force required to pull off the dolly is measured and used to assess the paint adhesion. Overall, the use of adhesion testers ensures that steel coils are thoroughly inspected for paint adhesion. This helps to identify any potential adhesion issues early on, allowing for appropriate remedial measures to be taken to ensure the longevity and performance of the paint coating.
- Q: What is the weight range of steel coils?
- The weight range of steel coils can vary depending on the specific type and size, but it typically ranges from a few hundred kilograms to several metric tons.
- Q: How are steel coils annealed for improved properties?
- Steel coils are annealed for improved properties through a process called annealing. This involves heating the steel coils to a specific temperature and then slowly cooling them to relieve internal stresses and create a more uniform and refined grain structure. This annealing process helps improve the steel's ductility, hardness, and overall strength, making it more suitable for various applications.
- Q: What are the common welding techniques used for steel coils?
- Steel coils can be welded using different techniques, such as shielded metal arc welding (SMAW), gas metal arc welding (GMAW), and flux-cored arc welding (FCAW). SMAW, also known as stick welding, involves creating an arc between the welding electrode and the base material using an electric current. The electrode is coated with flux, which shields the weld from atmospheric contamination. This versatile technique can be used for both thick and thin steel coils. GMAW, commonly known as MIG welding, is an automated process that uses a continuous wire electrode and shielding gas. The electrode is fed through a welding gun, and an electric current creates an arc with the base material. This fast and efficient technique is suitable for high-volume production of steel coils. FCAW is a variation of GMAW that uses a tubular electrode filled with flux instead of a solid wire. The flux provides shielding gas and additional fluxing agents to protect the weld from impurities. FCAW is often preferred for welding thicker steel coils due to its better penetration and higher deposition rates. In addition to these techniques, laser welding and electron beam welding can be used for specific applications in steel coil manufacturing. These methods offer precise and high-quality welds but are typically more expensive and require specialized equipment. Ultimately, the choice of welding technique depends on factors such as material thickness, production volume, and specific product requirements.
- Q: what do they use to make stainless steel?and can stainless steel be melted again and again without losing it's Specifications
- The stainless steel is a family of ferrous alloys containing at least 11% chromium. The effect of this amount of chromium in steel in reducing corrosion is dramatic. There are many grades of stainless steels. By varying the chemical composition, heat treating, and cold-working, a wide range of properties is achieved. There are three types of precipitation hardening stainless steels: *martensitic types, which are supplies in the martensitic condition, are hardened by a simple aging treatment of the fabricated part. *Semi austenitic types, which are supplied in the austenitic condition, are transformed to martensite by special heat treatment before precipitation hardening. *the austenite in the austenitic types is precipitation hardened directly. The heat treatments of precipitation-hardening stainless steels are chosen to optimize mechanical properties. Precipitation hardening generally results in a slight increase in corrosion susceptibility and an increased susceptibility to hydrogen embrittlement.
- Q: and what are the four main elements in STAINLESS steel? x
- Very high carbon steel (0.96 to 2.11%) is hard and not very ductile (difficult to mold or shape). It is also difficult to weld, but has the lowest melting point. As the carbon content is reduced, the steel becomes softer, more ductile and melts at a higher temperature. Stainless steel is an alloy of Iron, Carbon, Chromium. The fourth element would depend upon the grade of steel, but Nickel is probably the most common.
- Q: Is there a difference between hot rolled and cold rolled steel coils?
- Yes, there is a significant difference between hot rolled and cold rolled steel coils. Hot rolled steel coils are produced at high temperatures and are typically used for applications that require malleability and ductility. On the other hand, cold rolled steel coils are produced at room temperature and undergo a process that results in a smoother, more precise finish. Cold rolled steel coils are often used in applications that require a higher degree of strength and surface quality.
- Q: I have a steel string, Yamaha acoustic guitar that I am learning to play at home. But at school I use a rented nylon string guitar. I like the feel of the nylon strings better then the steel strings and i was wondering if i can just switch strings or if i should just get another guitar. Can anyone help?
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Colorful PPGI /PPGL from China Manufacturer /PPGL Steel roofing Sheets /PPGI
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 50000 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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