Alloyed Round Bar and GB Standard
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Product Description:
OKorder is offering Round Bar at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
After hot-rolled the products shaped into coil and delivery as finished product, including round, square, rectangular, hexagonal and so on. Since most of the products are round, it is generally called wire rod. Carbon steel wire rod is widely used in construction and manufacturing. Carbon steel wire rod is mainly used for reinforcement of reinforced concrete and welded structure or reprocessed (roberts , nail, etc.) materials, especially used to produce wire drawing, welding electrode, nails, spring, electronic, precise machinery parts and so on.
Product Advantages:
OKorder's Round Bar are durable, strong, and resist corrosion.
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Corrosion resistance
· Can be recycled and reused
· Mill test certification
· Professional Service
· Competitive pricing
Product Specifications:
Manufacture: Hot rolled
Grade: Q195 – 235
Certificates: ISO, SGS, BV, CIQ
Length: 6m – 12m, as per customer request
Packaging: Export packing, nude packing, bundled
Trademark | Rank | Chemical composition (quality score) % | |||||
C | Si | Mn | S | P | |||
| ≤ |
| ≤ | ≤ | |||
Q235 | A | 0.14-0.22 | 0.30 | 0.30-0.65 | 0.050 | 0.045 | |
Q235 | B | 0.12-0.20 | 0.30 | 0.30-0.70 | 0.045 | 0.045 | |
Trademark | Rank | Pulling Test | |||||
Bend PointΔs/Mpa | Tensile Strength | Elongation Ratioδ5% | |||||
Thickness (Diameter) /MM | Thickness (Diameter) /MM | ||||||
≤16 | 16-40 | ≤16 | 16-40 | ||||
≥ | ≥ | ||||||
Q235 | A | 235 | 225 | 375-500 | 26 | 25 | |
Q235 | B | 235 | 225 | 375-500 | 26 | 25 | |
FAQ:
Q1: Why buy Materials & Equipment from OKorder.com?
A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.
Q2: What makes stainless steel stainless?
A2: 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.
Q3: Can stainless steel rust?
A3: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface.
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- Q: What are the quality control measures for steel round bars?
- Steel round bars are subject to a series of inspections and tests to ensure that they meet the necessary standards and specifications. These measures play a vital role in guaranteeing the bars' structural integrity and reliability. Common quality control measures for steel round bars include: 1. Visual Inspection: Bars are visually examined to identify any surface defects like cracks, pits, or rust. This ensures that the bars have a smooth surface finish and are free from visible imperfections. 2. Dimensional Inspection: The diameter, length, and straightness of the bars are measured to ensure they adhere to the required tolerances. Any deviations from the specified dimensions can impact the bars' performance and compatibility in different applications. 3. Chemical Composition Analysis: Chemical composition analysis is carried out to confirm the percentage of various elements present in the steel. This analysis ensures that the bars possess the correct alloying elements in the proper proportions, which directly influence their mechanical properties and performance. 4. Mechanical Testing: Various mechanical tests are conducted to assess the bars' strength, hardness, and other mechanical properties. These tests may include tensile, impact, and hardness testing. They help determine if the bars meet the necessary durability and strength standards. 5. Ultrasonic Testing: Ultrasonic testing is often employed to detect internal defects such as voids, inclusions, or cracks within the steel round bars. This non-destructive testing technique utilizes high-frequency sound waves to identify flaws that may compromise the bars' structural integrity. 6. Surface Treatment Inspection: If the steel round bars undergo any surface treatments like heat treatment or coating, an inspection is conducted to ensure that these treatments are correctly applied and meet the required specifications. 7. Certification and Documentation: Quality control measures also encompass proper documentation and certification of the steel round bars. This ensures traceability and provides evidence that the bars have undergone the necessary inspections and tests, instilling confidence in customers regarding the product's quality. In summary, these quality control measures for steel round bars guarantee their high quality, compliance with necessary specifications, and suitability for their intended applications.
- Q: Are steel round bars suitable for tool-making applications?
- Tool-making applications can benefit from the use of steel round bars. These bars possess numerous advantages that render them well-suited for tool-making purposes. Firstly, steel's exceptional strength and durability enable tools crafted from steel round bars to endure heavy usage and resist wear and tear. Moreover, steel boasts a high level of hardness, a critical characteristic for tools employed in cutting, drilling, or shaping materials. Furthermore, steel round bars can be effortlessly machined and molded into various tool designs, offering versatility and customization options. Additionally, steel exhibits commendable heat resistance and can withstand high temperatures, making it a suitable choice for tools utilized in demanding fields such as metalworking or construction. Overall, steel round bars remain a favored selection in tool-making due to their robustness, longevity, adaptability, and ability to meet the specific requirements of diverse tool applications.
- Q: Are steel round bars suitable for plumbing applications?
- Yes, steel round bars can be suitable for plumbing applications. Steel is a durable and strong material, making it ideal for plumbing systems that require high pressure and load-bearing capabilities. Steel round bars can be used for various plumbing components such as pipes, fittings, valves, and supports. They are commonly used in applications where corrosion resistance and longevity are important, such as in water supply systems, underground piping, and industrial plumbing. However, it is important to consider the specific requirements of the plumbing application, including factors like water quality, temperature, and compatibility with other materials. Additionally, proper installation and maintenance are crucial to ensure the effectiveness and longevity of steel round bars in plumbing systems.
- Q: What is the difference between a rough turned and a polished steel round bar?
- A rough turned steel round bar has undergone a preliminary machining process that removes surface imperfections and excess material, providing a slightly smoother finish. On the other hand, a polished steel round bar has undergone further polishing or grinding processes to achieve a much smoother and aesthetically appealing surface finish.
- Q: Can steel round bars be hardened or tempered?
- Yes, steel round bars can be hardened or tempered. Hardening is a heat treatment process that involves heating the steel to a specific temperature and then rapidly cooling it, typically by quenching it in water or oil. This process increases the hardness and strength of the steel, making it more resistant to wear and deformation. Tempering, on the other hand, is a heat treatment process that involves reheating the hardened steel to a lower temperature and then cooling it slowly. This process reduces the brittleness of the steel and improves its toughness and ductility. Both hardening and tempering can be done on steel round bars to achieve specific mechanical properties desired for various applications.
- Q: Difference between round bar and threaded steel in use.
- The rebar is much higher than the ordinary, and the low carbon steel rounds are much higher. The heat treated steel is much stronger than the low carbon round steel, nearly twice or even higher.
- Q: Can steel round bars be machined?
- Steel round bars have the capability to undergo machining. Machining is a procedure that entails eliminating material from a workpiece in order to achieve the desired form, size, or texture. Steel round bars are frequently machined for the purpose of creating various components, including shafts, bolts, and fasteners. Turning, milling, drilling, and grinding are some of the machining processes that can be employed to shape and cut the steel round bars. However, the machinability of steel can differ depending on factors such as the steel's composition, hardness, cutting tools, and machining parameters. It is crucial to employ appropriate machining techniques and tools in order to ensure accurate and efficient outcomes when machining steel round bars.
- Q: Can steel round bars be painted or coated?
- Steel round bars can indeed be painted or coated, which is a widely adopted practice aimed at enhancing their appearance, safeguarding them against corrosion, and offering added functionality. Typically, this process involves thoroughly cleaning the bars' surface to eliminate any dirt, grease, or rust, and subsequently applying a primer or base coat, followed by a topcoat or finish. The choice of paint or coating relies on the particular requirements of the application, such as desired color, level of protection, or resistance to environmental conditions. Moreover, specific coatings can confer distinct properties, such as anti-slip, heat resistance, or chemical resistance. In general, painting or coating steel round bars proves to be an effective means of augmenting their aesthetics and durability.
- Q: Are steel round bars resistant to corrosion?
- Yes, steel round bars are generally resistant to corrosion due to their composition which includes a significant amount of chromium. This chromium forms a protective layer on the surface of the steel, preventing rust and corrosion. However, the resistance to corrosion may vary depending on the specific grade and environment in which the steel round bars are exposed.
- Q: What is the difference between gcr12 round bar and Cr12 round bar? Can it be used in general?
- GCr12 is the bearing steel, belongs to the high carbon chromium bearing steel, the chromium Cr content is about 1.2%, other alloy element's indication method and the alloy structural steel alloy content is same. The utility model is mainly used as a ferrule and a rolling body of a rolling bearing under general service conditions.
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Alloyed Round Bar and GB Standard
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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