Galvanized Steel Flat Bar
- Ref Price:
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- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- -
- Supply Capability:
- 10000 m.t./month
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Specification of Carbon Steel Flat Bar
Commodity: Carbon Steel Flat Bar
Standard: GB, JIS, ASTM,
Material: Q235, SS400 or Equivalent
Origin place: China
Thickness: 3mm-30mm
Width:20mm-200mm
Length: Max 12m
Certification: SGS/BV
Chemical composition of Q235
Alloy No | Grade | Element(%) | ||||
C | Mn | S | P | Si | ||
Q235 | B | 0.12—0.20 | 0.3—0.7 | ≤0.045 | ≤0.045 | ≤0.3 |
Physical properties of Q235
Alloy No | Grade | Yielding strength point(Mpa) | Tensile strength (Mpa) | Elongation after fracture(%) | ||||||
Thickness (mm) | Thickness (mm) | |||||||||
≤16 | ＞16--40 | ＞40--60 | ＞60--100 | ≤16 | ＞16--40 | ＞40--60 | ＞60--100 | |||
≥ | ≥ | |||||||||
Q235 | B | 235 | 225 | 215 | 205 | 375--500 | 26 | 25 | 24 | 23 |
Usage/Applications of Carbon Steel Flat Bar
Widely used for construction;
Machinery manufacturing;
Iron tower steel structure;
Shipbuilding; Steel grating;
Staircase;
Bridge;
Viaduct;
Railway spare parts;
Boilers making etc.
Packaging & Delivery of Carbon Steel Flat Bar
Packaging Details: The Steel Flat Bars are packed in bundles and loaded in 20 feet/40 feet container, or shipped by bulk cargo ,also we can do as customer's requirements.
Delivery Details:30~45 days upon the receipt of buyer payment by T.T. or L/C.
Production Flow of Carbon Steel Flat Bar
The Carbon Steel Flat Bar is made through three processes:
1.Feeding the material: Feeding the row material (the steel plate) to Slitting Line.
2.Slitting:The steel plate would be slitted into expected width by lengthways cutter.
3. Leveled and cutting: The plat bar would be ground into level by the grinder and then cut into required length.
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A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.
Q3: What makes stainless steel stainless?
A3: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.
- Q: How do you determine the fracture toughness of a steel flat bar?
- To determine the fracture toughness of a steel flat bar, several methods can be employed, but the most common and reliable technique is the ASTM E399 standard test method, also known as the "Standard Test Method for Plane-Strain Fracture Toughness of Metallic Materials." The ASTM E399 test method involves conducting a test called the "Charpy V-notch test" or the "standard test specimen" test. In this test, a rectangular specimen with a V-shaped notch is subjected to impact by a swinging pendulum. The specimen is clamped at both ends, and the pendulum strikes the center of the specimen, causing it to fracture. The energy absorbed by the specimen during this fracture is recorded, and it is used to determine the fracture toughness. The fracture toughness is calculated using a formula that takes into account the dimensions of the specimen, the energy absorbed, and the geometry of the V-notch. It is important to note that the ASTM E399 test method is specifically designed for determining plane-strain fracture toughness, which is the fracture toughness under conditions where the deformation is primarily two-dimensional, and the stress is evenly distributed across the specimen thickness. This is typically the case for flat bars where the width is much larger than the thickness. By following the ASTM E399 standard test method, manufacturers, researchers, and engineers can accurately determine the fracture toughness of a steel flat bar. This information is crucial for assessing the material's resistance to crack initiation and propagation, which is vital for designing safe and reliable structures and components.
- Q: Are steel flat bars resistant to UV radiation?
- No, steel flat bars are not inherently resistant to UV radiation. However, their resistance to UV radiation can be improved by applying protective coatings or treatments such as painting, galvanizing, or powder coating.
- Q: Are steel flat bars heat-treatable?
- Indeed, it is possible to subject steel flat bars to heat treatment. Heat treatment involves subjecting the steel to specific temperature conditions in order to modify its properties. This process is utilized to enhance the hardness, strength, and durability of the steel. To achieve this, the steel is heated to a specific temperature and then maintained at that temperature for a designated duration before being gradually cooled. By skillfully managing the heating and cooling cycles, the structure and characteristics of the steel can be altered. Consequently, steel flat bars can be tailored to fulfill specific requirements for diverse applications.
- Q: Are steel flat bars suitable for making agricultural implements?
- Indeed, steel flat bars prove to be fitting for the fabrication of agricultural implements. Steel, with its robust and enduring nature, emerges as the ideal material for agricultural equipment that must endure rigorous use and severe conditions. The malleability and weldability of steel flat bars facilitate the crafting of a diverse range of agricultural implements, including plows, harrows, cultivators, and rakes. Furthermore, steel's resistance to corrosion becomes paramount in agricultural settings where machinery is subject to moisture and chemicals. In summary, steel flat bars offer the essential strength, durability, and adaptability necessary for the production of dependable and long-lasting agricultural implements.
- Q: Can steel flat bars be used for making kitchen or bathroom fixtures?
- Steel flat bars can certainly be used for making kitchen or bathroom fixtures. Steel is a versatile material that offers durability and strength, making it suitable for various applications. Steel flat bars can be fabricated and shaped into different forms, such as brackets, supports, or frames, which are essential components in constructing fixtures like shelves, towel racks, or even countertop supports. Additionally, steel is resistant to corrosion and moisture, making it ideal for use in moist areas like kitchens and bathrooms. However, it's important to note that steel alone may not be suitable for direct contact with food or water, so appropriate coatings or finishes should be applied to ensure hygiene and prevent rusting. Overall, steel flat bars can be a reliable and practical choice for constructing kitchen or bathroom fixtures due to their strength, versatility, and resistance to moisture and corrosion.
- Q: How do steel flat bars perform in terms of thermal conductivity?
- Steel flat bars have excellent thermal conductivity properties. They are highly efficient in transferring heat due to their high thermal conductivity coefficient. This means that steel flat bars can quickly and effectively conduct heat, making them suitable for applications where heat transfer or dissipation is required.
- Q: Do steel flat bars have a specific thermal conductivity?
- Steel flat bars indeed possess a distinct thermal conductivity. This property gauges the material's proficiency in conducting heat. Steel is renowned for its elevated thermal conductivity, enabling the efficient transfer of heat. Nevertheless, the precise thermal conductivity of steel flat bars may fluctuate depending on the particular composition of the steel alloy employed, alongside additional factors like temperature and pressure.
- Q: Can steel flat bars be coated with corrosion-resistant materials?
- Coating steel flat bars with corrosion-resistant materials is possible. Various methods exist for applying these coatings, including hot-dip galvanizing, electroplating, powder coating, and painting. Hot-dip galvanizing entails immersing the steel flat bars in molten zinc, which creates a strong bond between the zinc and the steel. This coating provides excellent protection against corrosion and can withstand harsh environmental conditions. Electroplating is another technique that involves depositing a thin layer of corrosion-resistant metal, such as chromium or nickel, onto the steel flat bars through an electrochemical process. This process enhances the durability and corrosion resistance of the steel surface. Powder coating is an electrostatic application of dry powder coating onto the steel flat bars, followed by heat curing to form a protective layer. This coating not only provides corrosion resistance but also offers an attractive finish and can be applied in various colors. Lastly, painting is a commonly used method where a corrosion-resistant paint is applied to the steel flat bars. The paint acts as a barrier against moisture and other corrosive elements, preventing direct contact with the steel surface. In conclusion, there are several effective techniques for coating steel flat bars with corrosion-resistant materials, including hot-dip galvanizing, electroplating, powder coating, and painting. The choice of method depends on specific requirements, budget, and aesthetic preferences.
- Q: Are steel flat bars available in non-standard lengths?
- Yes, steel flat bars are available in non-standard lengths.
- Q: Can steel flat bars be used for making marine equipment or structures?
- Yes, steel flat bars can be used for making marine equipment or structures. Steel is a commonly used material in the marine industry due to its strength, durability, and corrosion resistance. Flat bars can be used for various applications such as constructing ship hulls, offshore platforms, or marine equipment like mooring bollards or boat ramps. However, it is important to choose the appropriate grade of steel that meets the specific requirements and standards for marine applications to ensure longevity and safety in harsh marine environments.
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Galvanized Steel Flat Bar
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- -
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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