Prime quantity Galvanized Steel Coils/Sheets， CNBM
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 100000 m.t./month
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Hot dip galvanized steel coil and sheet | |
Technical Standard: | JIS 3302 / ASTM A653 / EN10143 |
Grade | DX51D / DX52D/ DX53D/ S250,280,320GD |
Types: | Commercial / Drawing / Deep Drawing / Structural quality |
Width | 500/650/726/820/914/1000/1200/1219/1220/1250mm |
Thickness | 0.12-4.0mm |
Type of coating: | Galvanized |
Zinc coating | Z30-700g/m2 |
Surface Treatment | Chromed / Skin-pass/ Oiled/Slightly Oiled/ Dry/ Anti-fingerprint |
Surface structure: | Zero spangle / minimized spangle / regular spangle/ big spangle |
ID coil | 508mm or 610mm |
Coil weight | 3-12 MT per coil |
Package: | Properly packed for ocean freight exportation in 20''containers |
Application: | Industrial panels, roofing and siding for painting |
Price terms | FOB,CFR,CIF |
Payment terms | T/T or L/C |
Delivery time | Within 30 days |
Remarks | Insurance is all risks |
MTC will be handed on with shipping documents | |
We accept the third party certification test,such as SGS/BV |
Technical data :
Hot dipped galvanized coil Technical Data
Chemical Composition | ||||||
GRADE | C | Si | Mn | P | S | Ti |
SGCC/DX51D+Z | ≤0.10 | ≤0.50 | ≤0.60 | ≤0.10 | ≤0.030 | ≤0.020 |
DX52D+Z | ≤0.10 | ≤0.50 | ≤0.60 | ≤0.10 | ≤0.030 | ≤0.020 |
SGCD/DX53D+Z | ≤0.10 | ≤0.30 | ≤0.50 | ≤0.05 | ≤0.030 | ≤0.020 |
SGCE/DX54D+Z | ≤0.10 | ≤0.30 | ≤0.30 | ≤0.03 | ≤0.020 | ≤0.020 |
DX56D+Z | ≤0.10 | ≤0.30 | ≤0.30 | ≤0.03 | ≤0.020 | ≤0.020 |
Structural | ≤0.20 | ≤0.60 | ≤1.70 | ≤0.10 | ≤0.045 | |
Hot dipped galvanized steel coil Mechanical Properties | |||
GRADE | Yield Strength MPa | Tensile Strength MPa | Elongation % |
SGCC(DX51D+Z) | ≥205 | ≥270 | - |
SGCD(DX53D+Z) | - | ≥270 | 38 |
SGCE(DX54D+Z) | - | ≥270 | 40 |
DX56D+Z | - | ≥270 | 42 |
- Q: How are steel sheets tested for hardness?
- Various methods are employed to test the hardness of steel sheets, with one of the most commonly used being the Rockwell hardness test. In this test, a known force is applied to the steel sheet's surface using a small indenter, typically a diamond or a hardened steel ball. The resulting depth of penetration is then measured and standardized to determine the hardness value. Another method utilized is the Brinell hardness test, which involves pressing a hardened steel ball into the steel sheet's surface under a specific load. The diameter of the resulting indentation is measured and used to calculate the hardness value. Furthermore, the Vickers hardness test employs a pyramid-shaped diamond indenter. Similar to the Rockwell test, this method measures the indentation produced, but instead of focusing on the depth of penetration, it determines the hardness value by measuring the diagonal length of the indentation. These hardness tests yield significant insights into the mechanical properties of steel sheets, including their resistance to deformation and wear. By ensuring that the steel sheets meet the required specifications, the test results enable their use in various applications where hardness plays a critical role.
- Q: How do steel sheets perform in terms of fatigue resistance?
- Steel sheets generally have excellent fatigue resistance. Due to their high strength and durability, steel sheets can withstand repeated cyclic loading without significant damage or failure. The fatigue resistance of steel sheets is attributed to the material's ability to absorb and distribute stress, preventing the accumulation of cracks or fractures. Additionally, steel sheets can be further enhanced through various heat treatment processes, such as quenching and tempering, which improve their fatigue resistance properties. Therefore, steel sheets are often preferred in applications where fatigue resistance is crucial, such as in the automotive and aerospace industries, as they can withstand prolonged and repeated loading without compromising their structural integrity.
- Q: Are steel sheets suitable for high-traffic areas?
- Yes, steel sheets are highly suitable for high-traffic areas. Steel is a durable and strong material that can withstand heavy foot traffic without getting easily damaged. It is also resistant to wear and tear, making it an excellent choice for areas that experience a lot of activity. Additionally, steel sheets are easy to clean and maintain, further enhancing their suitability for high-traffic areas.
- Q: What is the maximum length of a steel sheet?
- The maximum length of a steel sheet can vary depending on various factors such as the manufacturing capabilities of the steel mill, transportation limitations, and customer requirements. However, in general, steel sheets can be produced in lengths ranging from a few feet to several hundred feet. Industrial-sized steel mills are capable of producing exceptionally long steel sheets, often exceeding 100 feet or more. These extended lengths are typically utilized in large-scale construction projects, such as bridges, industrial buildings, or shipbuilding. However, it is essential to note that the maximum length of a steel sheet is subject to practical constraints, such as the size of transportation vehicles or the limitations of handling equipment. Therefore, while it is possible to manufacture steel sheets of considerable length, practical considerations may restrict the maximum length that can be effectively utilized in different applications.
- Q: What is the difference between a galvalume and galvanized steel sheet?
- The main difference between a galvalume and galvanized steel sheet lies in the coating applied to the steel surface. Galvalume steel sheets are coated with an aluminum-zinc alloy, while galvanized steel sheets are coated with zinc. The coating on galvalume steel sheets provides superior corrosion resistance compared to galvanized steel sheets. The combination of aluminum and zinc creates a protective barrier that helps prevent rusting and corrosion, even in harsh environments. Additionally, galvalume steel sheets have better heat reflectivity than galvanized steel sheets. This makes them more energy-efficient in hot climates as they reflect a larger portion of the sun's heat, reducing cooling costs. Furthermore, galvalume steel sheets have better resistance to scratches and fingerprints due to their unique coating composition. This makes them more visually appealing and easier to maintain compared to galvanized steel sheets. In terms of price, galvalume steel sheets are generally more expensive than galvanized steel sheets due to the added benefits and higher quality of the coating. However, the long-term cost-effectiveness of galvalume steel sheets can outweigh the initial higher purchase price. Overall, while both galvalume and galvanized steel sheets offer some level of protection against corrosion, galvalume steel sheets provide superior corrosion resistance, heat reflectivity, and aesthetic appeal. Therefore, the choice between the two depends on the specific requirements of the project and the environmental conditions the steel sheet will be exposed to.
- Q: What is the specific heat capacity of steel sheets?
- The specific heat capacity of steel sheets varies depending on the specific type of steel being used. However, on average, the specific heat capacity of steel ranges from 460 to 520 joules per kilogram per degree Celsius (J/kg°C).
- Q: Can steel sheets be used for metal fencing?
- Yes, steel sheets can be used for metal fencing.
- Q: Are steel sheets suitable for water tanks or reservoirs?
- Yes, steel sheets are suitable for water tanks or reservoirs. Steel is a durable material that can withstand the pressure and weight of water, making it a reliable choice for constructing tanks or reservoirs. Additionally, steel sheets can be coated or treated to prevent corrosion and ensure the water remains clean and safe for consumption.
- Q: Can steel sheets be used for storage racks?
- Indeed, storage racks can indeed be made using steel sheets. Renowned for their robustness and strength, steel sheets are an optimal choice when it comes to constructing storage racks. They possess the ability to bear substantial weights and offer steadfastness to the entire storage system. Furthermore, steel sheets can be effortlessly fabricated and tailored to suit the precise specifications of the storage area. Moreover, steel exhibits resistance against corrosion, guaranteeing the durability of the storage racks and rendering them suitable for employment indoors as well as outdoors.
- Q: Can steel sheets be used for fire-rated doors?
- Fire-rated doors can indeed utilize steel sheets. In fact, steel is extensively employed in the creation of fire-rated doors due to its exceptional strength, longevity, and fire-resistance characteristics. Generally, steel sheets employed in fire-rated doors are crafted with multiple layers of fire-resistant substances, like gypsum or mineral core, which are placed between the steel sheets. This method of construction effectively impedes the propagation of fire and smoke, ensuring a dependable barrier in case of a fire. Furthermore, steel is renowned for its structural integrity, rendering it an appropriate option for fire-rated doors that must endure elevated temperatures and pressure.
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Prime quantity Galvanized Steel Coils/Sheets， CNBM
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 100000 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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