Round Bar Reinforcing Steel Bars Q345 Special Steel
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 10000 m.t./month
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Specification
Type:
Deformed Steel
Shape:
Steel Round Bar
Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Spring,Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Net Weight:
as required
Length:
as required
Thickness:
as required
Main Product
Plastic Mould Steel
DIN 1.2311,1.2738,1.2083,1.2316 etc.
AISI P20,P20+Ni,420 etc.
JIS SUS420J2
Hot Work Steel
DIN 1.2344,1.2343,1.2367,1.2365,1.2581,1.2713 etc.
AISI H13,H11,H10,H21, etc.
JIS SKD61,SKD6,SKD5,SKT4 etc.
Cold Work Steel
DIN 1.2739, 1.2601, 1.2080, 1.2436, 1.2631, 1.263, 1.2510, 1.2327 etc.
AISI D2, D5, D3, D6, A8, A2, O1 etc.
JIS SKD10, SKD11, SKD1, SKS3 etc.
High Speed Steel
DIN 1.3343, 1.3243, 1.3247, 1.3355 etc.
AISI M2, M35, M42, T1 etc.
JIS SKH51, SKH35, SKH59, SKH2 etc.
Alloy Structural Steel
DIN 1.7035,1.6511,1.7220,1.7225 etc.
AISI 5140, 4340, 4135, 4140 etc.
JIS SCr440,SNCM439,SCM435,SCM440 etc.
Stainless & Carbon Steel or Others
DIN 1.4125,1.1191 etc
AISI 440C,1045, 1020 etc.
JIS SUS440C,S45C etc
Product show
Workshop show
Shipping
1. FedEx/DHL/UPS/TNT for samples, Door-to-Door;
2. By Air or by Sea for batch goods, for FCL; Airport/ Port receiving;
3. Customers specifying freight forwarders or negotiable shipping methods!
Delivery Time: 3-7 days for samples; 5-25 days for batch goods.
Payment Terms
1.Payment: T/T, L/C, Western Union, MoneyGram,PayPal; 30% deposits; 70% balance before delivery.
2.MOQ: 1pcs
3.Warranty : 3 years
4.Package Informations: 1) EXPORT, In 20 feet (GW 25 ton) or 40 feet Container (GW 25 ton)
2)as customer's requirement
Why choose us?
(1) The leading exporter in China special steel industry.
(2) Large stocks for various sizes, fast delivery date.
(3) Good business relationship with China famous factories.
(4) More than 7 years steel exporting experience.
(5) Good after-sales service guarantee.
- Q: What are the common defects found in special steel production?
- Some common defects found in special steel production include: 1. Inclusions: These are impurities or foreign materials that are trapped within the steel during the manufacturing process. Inclusions can weaken the steel and reduce its overall quality and performance. 2. Segregation: Segregation refers to the uneven distribution of elements within the steel. This can occur when there are fluctuations in temperature or composition during the production process. Segregation can lead to inconsistencies in the steel's mechanical properties, making it less reliable. 3. Cracks: Cracks can occur in special steel production due to various reasons, such as improper cooling or excessive stress during the manufacturing process. Cracks can significantly weaken the steel, making it more prone to failure. 4. Decarburization: Decarburization is the loss of carbon from the surface of the steel, usually caused by exposure to high temperatures or oxidizing environments. This can reduce the steel's hardness and strength, compromising its performance. 5. Laminations: Laminations are layers or sheets that can form within the steel due to improper rolling or forging techniques. These layers can weaken the steel and potentially cause it to fail under stress. 6. Dimensional variations: Special steel production requires precise control of dimensions to meet specific requirements. However, dimensional variations can occur due to factors like inconsistent cooling or improper machining. These variations can affect the fit, function, and overall performance of the steel components. 7. Non-uniform microstructure: Inconsistent cooling rates or other processing factors can lead to a non-uniform microstructure in the steel. This can result in variations in hardness, strength, and other mechanical properties, affecting the overall quality of the steel. It is important for manufacturers to have stringent quality control measures in place to detect and minimize these defects during special steel production. Regular inspections, testing, and adherence to industry standards can help ensure that the final product meets the desired specifications and is free from common defects.
- Q: What are the requirements for special steel used in pharmaceutical manufacturing?
- The requirements for special steel used in pharmaceutical manufacturing include high corrosion resistance, excellent cleanliness and hygiene, resistance to high temperatures and chemicals, and compliance with strict regulatory standards such as Good Manufacturing Practices (GMP). Additionally, the steel must be able to maintain the integrity of the pharmaceutical products, ensuring their purity and preventing contamination.
- Q: How does special steel contribute to the performance of cutting tools?
- The performance of cutting tools is greatly enhanced by special steel, which possesses a variety of advantageous properties. To begin with, the utilization of special steel in the manufacturing of cutting tools offers remarkable hardness. This hardness enables the tool to endure high levels of stress and wear, ensuring that the cutting edge remains sharp for an extended period. As a result, cutting efficiency and precision are improved. Furthermore, special steel is renowned for its outstanding toughness and resistance to chipping and breaking. This characteristic is crucial in cutting tools as it allows them to withstand the powerful forces and vibrations generated during the cutting process. The toughness of special steel ensures that the tool can withstand these extreme conditions without compromising its performance or structural integrity. Moreover, special steel provides excellent resistance to heat and temperature stability. When engaged in cutting operations, the tool can generate substantial amounts of heat due to friction. Special steel's capacity to resist thermal deformation and maintain its hardness at high temperatures prevents the cutting edge from losing its effectiveness or becoming dull. Additionally, special steel can be customized to suit specific applications through alloying and heat treatment procedures. This adaptability allows manufacturers to optimize the steel's properties based on the intended use of the cutting tool, such as cutting different materials or operating in challenging environments. By tailoring the special steel, cutting tools can be designed to provide optimal performance, durability, and longevity. In conclusion, special steel significantly contributes to the performance of cutting tools by offering exceptional hardness, toughness, heat resistance, and customization options. These properties guarantee that cutting tools remain sharp, durable, and efficient, enabling them to achieve precise cuts and endure demanding cutting operations.
- Q: What are the different surface finishing techniques for special steel parts?
- There are several surface finishing techniques that can be used for special steel parts to enhance their appearance, protect them from corrosion, and improve their overall performance. Some of the commonly used techniques include: 1. Polishing: This technique involves using abrasives to create a smooth and glossy surface on the steel part. It not only enhances the aesthetic appeal but also improves the part's resistance to corrosion. 2. Plating: Plating is a process that involves depositing a layer of metal onto the surface of the steel part. Common plating options include chrome, nickel, and zinc. This technique provides additional protection against corrosion, improves wear resistance, and can also give the part a desired color or finish. 3. Powder coating: Powder coating is a method where a dry powder is applied to the surface of the steel part electrostatically and then cured under heat. The powder melts and forms a hard, durable, and attractive coating. This technique provides excellent resistance to corrosion, impact, and chemicals. 4. Anodizing: Anodizing is primarily used for aluminum, but it can also be applied to some special steel parts. It involves creating a controlled oxide layer on the surface of the part, which enhances its corrosion resistance, improves its appearance, and can provide an insulation layer. 5. Passivation: Passivation is a chemical process that removes free iron and other contaminants from the surface of the steel part. It helps prevent corrosion and improves the part's resistance to staining or discoloration. 6. Heat treatment: Heat treatment is a process that involves heating and cooling the steel part to alter its physical and mechanical properties. It can improve hardness, strength, and toughness, while also providing a desired surface finish. 7. Electropolishing: Electropolishing is an electrochemical process that removes a thin layer of metal from the surface of the steel part. It helps eliminate surface imperfections, smoothens the part, and improves its corrosion resistance. It is important to choose the appropriate surface finishing technique based on the specific requirements of the special steel part, such as its function, desired appearance, and environmental conditions it will be exposed to.
- Q: How is leaded steel used in machining operations?
- Leaded steel is commonly used in machining operations due to its improved machinability. The addition of lead to the steel composition enhances its ability to be cut, drilled, and shaped with ease, reducing tool wear and improving surface finish. This type of steel is particularly useful in high-speed machining applications, where efficiency and precision are crucial.
- Q: What are the main applications of special steel in the oil and gas equipment?
- Special steel is widely used in the oil and gas equipment industry primarily for its exceptional strength, corrosion resistance, and ability to withstand high temperatures and pressure. It is extensively used in the production of drilling tools, pipelines, valves, and other critical components that are required to operate in harsh and demanding environments. The main applications of special steel in this industry include drill bits, wellhead equipment, subsea equipment, and offshore platforms, all of which rely on the superior properties of special steel to ensure safe and efficient operations in the oil and gas sector.
- Q: How does special steel perform in terms of electrical conductivity?
- Special steel does not have high electrical conductivity compared to other materials such as copper or aluminum.
- Q: What are the requirements for special steel used in wind turbines?
- The requirements for special steel used in wind turbines typically include high strength and durability, resistance to corrosion and fatigue, excellent weldability, and good magnetic properties. Additionally, the steel should possess good formability and machinability to aid in the manufacturing process of turbine components.
- Q: What is the difference between stainless steel and special steel?
- Stainless steel is a specific type of steel that contains a minimum of 10.5% chromium, which forms a protective layer on its surface, making it highly resistant to corrosion. On the other hand, special steel refers to a wide range of alloy steels that are specifically designed for certain applications or have unique properties, such as high strength, heat resistance, or electrical conductivity. While stainless steel is known for its corrosion resistance, special steel encompasses various types with different compositions and characteristics to meet specific industrial requirements.
- Q: Can special steel be used in the production of musical instruments?
- Yes, special steel can be used in the production of musical instruments. It is commonly used for strings, guitar frets, and some wind instrument components due to its specific acoustic properties and durability.
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Round Bar Reinforcing Steel Bars Q345 Special Steel
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 10000 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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