Gr40 Ribbed High Quality Steel Rebar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 170 m.t.
- Supply Capability:
- 500000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
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Specification
Type:
Carbon Steel
Shape:
Steel Round Bar
Gr40 Ribbed High Quality Steel Rebar
Description of Gr40 Ribbed High Quality Steel Rebar
1, Diameter: 5.5mm-10mm Gr40 Ribbed High Quality Steel Rebar
10m- 40mm Gr40 Ribbed High Quality Steel Rebar
2, Length: 6m, 9m, 12m or customized
3, Standard: GB, ASTM, AISI, SAE, DIN, JIS, EN
OEM technology - send detailed technical parameters for accurate quotation.
2, Produce Process: smelt iron - EAF smelt billet - ESR smelt billet -
hot rolled or forged to get the steel round bar and plate
3, Heat Treatment: annealing, normalizing, tempering, quenching
4, Surface Treatment: Black
5, Quality Assurance: We accept third party inspection for all orders.
You can ask testing organizations such as SGS, BV, etc. to test our products before shipping.
Chemical Composition of Gr40 Ribbed High Quality Steel Rebar
Grade | Technical data of the original chemical composition(%) | |||||
Reinforcing steel bar HRB335 | C | Mn | Si | S | P | B |
≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | >0.0008 | |
Physics Capability | ||||||
Yield Strength(N/cm2) | Tensile Strength(N/cm2) | Elongation(%) | ||||
≥ 335 | ≥490 | ≥16 | ||||
Reinforcing steel bar HRB400 | C | Mn | Si | S | P | B |
≤0.25 | ≤0.16 | ≤0.80 | ≤0.045 | ≤0.045 | 0.04-0.12 | |
Physics Capability | ||||||
Yield Strength(N/cm2) | Tensile Strength(N/cm2) | Elongation(%) | ||||
≥ 400 | ≥ 570 | ≥ 14 | ||||
Products Show of Gr40 Ribbed High Quality Steel Rebar
Company Information
CNBM International Corporation is the most important trading platform of CNBM group.
Whith its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high qulity series of refractories as well as technical consultancies and logistics solutions.
F A Q
1, Your advantages?
professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale
2, Test & Certificate?
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem
3, Factory or Trading Company?
CNBM is a trading company but we have so many protocol factories and CNBM works as a trading department of these factories. Also CNBM is the holding company of many factories.
4, Payment Terms?
30% TT as deposit and 70% before delivery.
Irrevocable L/C at sight.
5, Trading Terms?
EXW, FOB, CIF, FFR, CNF
6, After-sale Service?
CNBM provides the services and support you need for every step of our cooperation. We're the business partner you can trust.
For any problem, please kindly contact us at any your convenient time.
We'll reply you in our first priority within 24 hours.
- Q: What are the different surface finishes available for special steel?
- There are several different surface finishes available for special steel, such as polished, brushed, satin, mirror, etched, blasted, and coated finishes. These finishes are used to enhance the appearance, durability, and corrosion resistance of the steel, depending on the specific application and desired outcome.
- Q: How does special steel contribute to the construction machinery industry?
- Special steel contributes to the construction machinery industry by providing high strength and durability to the equipment. This type of steel is designed to withstand extreme conditions, such as heavy loads, vibrations, and harsh environments. It enhances the performance and lifespan of construction machinery, allowing for efficient and reliable operation. Additionally, special steel's unique properties enable the construction of lighter and more robust equipment, leading to improved fuel efficiency and cost-effectiveness.
- Q: What are the different medical grades of special steel?
- Medical steels are classified into different grades based on their unique properties and characteristics in the medical field. These grades are specifically tailored to meet the strict requirements of medical applications, including surgical instruments, implants, and medical devices. Some well-known medical grades of special steel include: 1. Stainless Steel: The most commonly used medical grade of special steel is stainless steel, renowned for its exceptional corrosion resistance and biocompatibility. It contains high levels of chromium and nickel, which provide corrosion resistance and make it suitable for implants and surgical instruments. 2. Titanium Alloys: Lightweight yet strong, titanium alloys are ideal for medical applications like orthopedic and dental implants, as well as cardiovascular devices. These alloys are highly biocompatible and exhibit excellent resistance to corrosion and fatigue, ensuring long-term durability. 3. Cobalt-Chromium Alloys: Cobalt-chromium alloys possess exceptional strength, wear resistance, and stability at high temperatures, making them suitable for implantable devices such as hip and knee replacements. They offer excellent biocompatibility and strike a good balance between strength and flexibility. 4. Nitinol: Nitinol, composed of nickel and titanium, is a shape memory alloy with unique properties like superelasticity and shape memory effect. Its excellent biocompatibility and ability to adapt to different physiological conditions make it commonly used in medical devices such as stents, orthodontic wires, and vascular closure devices. 5. High Carbon Stainless Steel: High carbon stainless steel is a specialized grade used in surgical instruments that require exceptional sharpness, hardness, and wear resistance. This grade allows for the production of extremely fine and precise cutting edges, making it suitable for delicate procedures. These are just a few examples of the medical grades of special steel utilized in the healthcare industry. Each grade offers specific advantages depending on the intended application, and their selection is crucial to ensure optimal performance, biocompatibility, and patient safety.
- Q: How does special steel contribute to the textile industry?
- Special steel contributes to the textile industry by providing high-strength and durable components for textile machinery, such as looms, knitting machines, and textile processing equipment. The use of special steel in these machines ensures improved performance, precision, and longevity, thereby enhancing productivity and efficiency in textile manufacturing processes. Additionally, special steel's resistance to corrosion and wear helps maintain the quality and reliability of textile machinery, minimizing downtime and maintenance costs for manufacturers.
- Q: How is free-cutting steel used in the manufacturing of screws and bolts?
- Free-cutting steel is used in the manufacturing of screws and bolts because of its excellent machinability. It contains additives such as sulfur, lead, or bismuth that improve its ability to be easily and efficiently shaped into the desired form. This type of steel enables manufacturers to produce screws and bolts with intricate threading and precise dimensions, resulting in high-quality and reliable fasteners.
- Q: What are the different international trade regulations for special steel?
- There are several international trade regulations that apply to special steel, which is a type of steel that is produced for specific applications or industries. These regulations aim to ensure fair trade practices, protect domestic industries, and promote safety standards. One of the primary international trade regulations for special steel is the World Trade Organization (WTO) agreements. The WTO sets rules for global trade, including the General Agreement on Tariffs and Trade (GATT) and the Agreement on Safeguards. These agreements govern issues such as tariffs, non-tariff barriers, and safeguard measures that may be imposed on special steel imports. Another significant regulation is the Harmonized System (HS) codes. HS codes are a standardized system of names and numbers used to classify traded products. Special steel is assigned specific HS codes, which help customs authorities determine the applicable duties and regulations for these products during import or export. Additionally, regional trade agreements (RTAs) play a role in regulating international trade in special steel. RTAs are agreements between countries or regions that reduce trade barriers and promote economic integration. Examples include the North American Free Trade Agreement (NAFTA), the European Union (EU), and the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP). These agreements may include provisions related to tariffs, technical standards, and trade facilitation for special steel. Furthermore, some countries may impose specific regulations on the import or export of special steel. These regulations could include licensing requirements, quality standards, safety certifications, or restrictions on certain types of steel. It is essential for businesses involved in the trade of special steel to be aware of these country-specific regulations to ensure compliance. Overall, international trade regulations for special steel encompass a range of agreements, codes, and country-specific rules. Adhering to these regulations is crucial for companies engaged in the global trade of special steel to ensure compliance, avoid penalties, and maintain fair trade practices.
- Q: How does molybdenum improve the performance of special steel?
- Molybdenum plays a crucial role in enhancing the performance of special steel due to its unique properties and characteristics. First and foremost, molybdenum significantly improves the strength and toughness of steel, making it more durable and resistant to deformation. This is achieved by forming a solid solution with iron, which results in a fine-grained microstructure and reduces the formation of brittle phases in the steel. Moreover, molybdenum increases the hardenability of steel, allowing it to be heat-treated to obtain desired mechanical properties. This is particularly important in the production of special steel, where high strength, wear resistance, and thermal stability are often required. By enabling effective heat treatment, molybdenum ensures that the steel can be processed to meet specific performance requirements, such as hardness, toughness, and dimensional stability. Additionally, molybdenum enhances the corrosion resistance of special steel, making it suitable for various challenging environments. It forms a protective oxide layer on the surface of the steel, which acts as a barrier against corrosive substances like acids, alkalis, and salts. This resistance to corrosion is crucial in applications where the steel is exposed to harsh conditions, such as marine environments, chemical processing plants, and oil and gas industries. Furthermore, molybdenum improves the high-temperature strength and creep resistance of special steel. It enables the steel to maintain its mechanical properties even at elevated temperatures, making it suitable for applications where the steel is subject to prolonged exposure to heat or mechanical stress. In summary, molybdenum plays a vital role in enhancing the performance of special steel by improving its strength, toughness, hardenability, corrosion resistance, and high-temperature properties. These attributes make molybdenum an essential alloying element in the production of special steel for various industries, including automotive, aerospace, energy, and tool manufacturing.
- Q: How is special steel protected against corrosion?
- Special steel is protected against corrosion through a variety of methods, including the application of protective coatings such as zinc or epoxy, the use of corrosion-resistant alloys in the steel composition, and the implementation of cathodic protection systems that involve the use of sacrificial anodes or impressed current to prevent rusting.
- Q: Can special steel be used for medical implants?
- Yes, special steel can be used for medical implants. It is commonly used in the manufacturing of medical devices and implants due to its exceptional strength, corrosion resistance, and biocompatibility. Special steel alloys, such as stainless steel or titanium alloys, are often utilized for various types of medical implants, including joint replacements, dental implants, and bone fixation devices.
- Q: Can special steel be used in the manufacturing of consumer goods?
- Indeed, the utilization of special steel in the production of consumer goods is possible. Special steel refers to a specific type of steel that has been engineered to possess exceptional properties, such as increased strength, corrosion resistance, heat resistance, or wear resistance. These enhanced characteristics render it suitable for a broad range of applications, including the manufacturing of consumer goods. Consumer goods encompass a diverse array of products, ranging from kitchen appliances and electronics to automobiles, tools, and furniture. Special steel can be employed in various components and parts of these goods to enhance their performance and durability. For instance, in kitchen appliances, special steel can be utilized to fabricate blades, heating elements, or cooking surfaces, thereby improving cutting efficiency, heat distribution, and resistance to corrosion. In electronics, special steel can be employed in the production of casings, connectors, or springs to ensure durability, conductivity, and resistance to temperature fluctuations. Furthermore, special steel can also find application in the manufacturing of consumer goods that demand high precision and reliability. In the automotive industry, for example, special steel can be used for engine components, chassis, or safety features, providing superior strength, impact resistance, and structural integrity. Likewise, in the production of tools and equipment, special steel can be employed to manufacture drill bits, cutting tools, or machine components, guaranteeing longevity, precision, and optimal performance. In conclusion, special steel offers distinct advantages over conventional steel due to its unique properties, making it an ideal material choice for the production of consumer goods. Its enhanced strength, corrosion resistance, heat resistance, or wear resistance characteristics can significantly enhance the performance, durability, and reliability of consumer products, thereby meeting the demands and expectations of consumers.
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Gr40 Ribbed High Quality Steel Rebar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 170 m.t.
- Supply Capability:
- 500000 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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