Round Bar Reinforcing Steel Bars Q195 Special Steel

Round Bar Reinforcing Steel Bars Q195 Special Steel

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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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Chemical composition of steel bar

Standard	C	Si	Mn	Cr	Ni	P/S ≤
DIN	≤0.15	≤1.0	≤2.0	18	9	0.03
GB	≤0.15	≤1.0	≤2.0	18	9	0.03

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Round Bar Reinforcing Steel Bars Q195 Special Steel

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

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

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 specific requirements for special steel used in the railway wheel industry?: The specific requirements for special steel used in the railway wheel industry include high strength and durability to withstand heavy loads and constant rolling, excellent fatigue resistance to withstand repeated stress cycles, good wear resistance to minimize wear and tear, and sufficient toughness to resist fractures. The steel should also possess good heat treatment properties to ensure proper hardening and tempering for desired strength and hardness levels. Additionally, it should have low impurities and be capable of withstanding harsh operating conditions, such as extreme temperatures and corrosion, to ensure a long service life.

Q: Can special steel be used in the furniture manufacturing industry?: Yes, special steel can be used in the furniture manufacturing industry. It provides strength, durability, and flexibility, making it suitable for various furniture components such as frames, legs, and hardware. Special steel alloys can also offer unique aesthetics and design possibilities, contributing to the overall quality and appeal of furniture products.

Q: What is the cost difference between regular steel and special steel?: The cost difference between regular steel and special steel can vary depending on several factors. Special steel is typically more expensive than regular steel due to its enhanced properties and specific applications. Regular steel, also known as carbon steel, is widely available and relatively affordable. It is primarily composed of iron and carbon, with trace amounts of other elements. Regular steel is suitable for various general-purpose applications, such as construction, manufacturing, and automotive industries. On the other hand, special steel refers to a wide range of alloyed steels that are specifically engineered to possess certain desirable characteristics, such as increased strength, improved corrosion resistance, heat resistance, or enhanced machinability. These special properties make them ideal for specialized applications in industries like aerospace, defense, oil and gas, and automotive manufacturing. The cost difference between regular steel and special steel can be significant due to the additional processing steps and the use of expensive alloying elements. Special steels require precise control over the composition and manufacturing process to achieve the desired properties. This entails additional costs associated with alloying elements, heat treatment, and specialized equipment. Moreover, the demand and availability of special steel can also impact its cost. Since special steel is produced in smaller quantities and caters to specific industries, it may have a higher price tag compared to regular steel, which is produced in larger volumes. In conclusion, the cost difference between regular steel and special steel can vary based on the specific type of special steel, the desired properties, and the market demand. Special steel tends to be more expensive than regular steel due to its enhanced properties and specialized manufacturing processes required.

Q: What are the main factors affecting the toughness of special steel?: The main factors affecting the toughness of special steel include its chemical composition, heat treatment process, and microstructure. The chemical composition determines the presence of alloying elements that can enhance toughness, such as nickel, chromium, and molybdenum. The heat treatment process, including quenching and tempering, can alter the microstructure of the steel, influencing its toughness. A fine and uniform microstructure with a controlled distribution of phases can enhance toughness. Additionally, factors like grain size, inclusion content, and the presence of residual stress can also impact the toughness of special steel.

Q: What is the importance of heat treatment in special steel?: Heat treatment is of utmost importance in special steel because it significantly enhances its mechanical properties and overall performance. Special steel, also known as alloy steel, is specifically designed to possess specific characteristics such as high strength, hardness, wear resistance, and toughness, making it suitable for demanding applications in industries like automotive, aerospace, and tooling. The heat treatment process involves controlled heating and cooling of the steel to alter its microstructure, which in turn affects its properties. There are several heat treatment techniques employed, including annealing, tempering, quenching, and hardening, each serving a specific purpose. One key importance of heat treatment in special steel is the ability to increase its hardness. Through techniques like quenching and hardening, the steel can be transformed into a hardened state, where it becomes much stronger and more resistant to abrasion and wear. This is crucial for applications that involve heavy loads, impact, and abrasive environments. Additionally, heat treatment can also improve the toughness and ductility of special steel. By carefully controlling the cooling rate during the heat treatment process, the steel's microstructure can be adjusted to achieve a fine-grained structure, enhancing its toughness and ability to withstand sudden impacts or shocks. This is particularly important in applications where the material needs to absorb energy and resist fractures, such as in structural components or tools. Furthermore, heat treatment can also improve the machinability and dimensional stability of special steel. By subjecting the steel to annealing or tempering processes, internal stresses and residual strains can be relieved, resulting in a more stable and easier-to-machine material. This is crucial in industries where precision and dimensional accuracy are paramount. In conclusion, the importance of heat treatment in special steel cannot be overstated. It is a vital process that allows for the optimization of the steel's mechanical properties, ensuring it meets the specific requirements of demanding applications. By carefully manipulating the microstructure, heat treatment enhances the steel's hardness, toughness, and machinability, making it a versatile and reliable material in various industries.

Q: What are the different grades and specifications of special steel?: Special steel refers to a category of steel that is specifically designed to possess enhanced properties for specific applications. There are various grades and specifications of special steel available, each tailored to meet specific requirements. Some common grades include tool steel, stainless steel, high-speed steel, and alloy steel. These grades are further categorized based on their composition, strength, hardness, corrosion resistance, and other properties. Additionally, special steel specifications may vary depending on the industry or application, such as aerospace, automotive, construction, or oil and gas. Overall, the diverse range of grades and specifications in special steel allows for customized solutions to meet specific performance demands.

Q: What are the factors that affect the weldability of special steel?: The factors that affect the weldability of special steel include the composition of the steel, including the presence of elements such as carbon, alloying elements, and impurities; the heat treatment history of the steel; the thickness and shape of the steel; the welding process and parameters used; and the skill and experience of the welder.

Q: Can special steel be used for precision instruments?: Yes, special steel can be used for precision instruments. Special steel, such as tool steel or stainless steel, offers excellent hardness, strength, and corrosion resistance, making it ideal for precision instruments that require high accuracy and durability.

Q: What are the different quenching techniques used for special steel?: There are several different quenching techniques used for special steel, including oil quenching, water quenching, and air quenching. Oil quenching involves immersing the steel in oil to rapidly cool it and achieve the desired hardness. Water quenching is a more aggressive technique, where the steel is submerged in water to achieve even faster cooling and increased hardness. Air quenching, on the other hand, involves allowing the steel to cool in ambient air, resulting in a slower cooling rate and less hardness. Each technique has its own advantages and is chosen based on the specific requirements of the steel being quenched.

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.

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