Special Steel 1.2631 Round Steel / A8 Tool Steel Round Bar

Special Steel 1.2631 Round Steel / A8 Tool Steel Round Bar

Ref Price:: $300.00 - 500.00 / m.t.

Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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The details of our Steel

1. Produce Standard: as the GB, AISI, ASTM, SAE, EN, BS, DIN, JIS Industry Standard

2. Produce processes: Smelt Iron -EAF smelt Billet - ESR smelt Billet -Hot rolled or forged get the steel round bar and plate

3. Heat treatment:

Normalized / Annealed / Quenched+Tempered

4. Quality assurance:

All order we can received Third party inspection, You can let SGS, BV,.. and others test company test and inspect our products before Goods shipping.

Product information

Chemical Composition(%) of A8 steel round bar	C	Si	Mn	S	P	Cr	Mo	V
Chemical Composition(%) of A8 steel round bar	0.90-1.05	0.20-0.40	0.40-0.70	≤0.035	≤0.035	4.80-5.50	0.90-1.20	0.10-0.30
Specification of A8 steel round bar	Dia.L=14~50mm2000~5000mm
Characteristic of A8 steel round bar	1.good machinability and abrasivity 2.good hardness
Application of A8 A8 steel round bar	1.Precision Stamping Dies 2.Precison Blanking Dies of wire cutting process, and stamping dies for various uses 3.Tools for plactic deformation of hard processing material 4.Dies for forging, deep drawing and thread rolling 5.High speed blanking punch,stainless plates punch 6.Tensile modulus, crimping die, embossing dies, wear plastic molding mold
Heart Treatment of A8 steel round bar	1.Quench: 940-960°c oil cooling 2.Tempering temperature: 210~240 °C 3. Hardness: 61HRC
Melting Process of A8 steel round bar	1. EAF: Electric Furnace+LF+VD(Optional) 2. ESR: Electric Furnace+LF+VD+Eleroslag Remelted(Optional)
Payment Term of A8 steel round bar	L/C or T/T, 30% in advance, 70% before the shipment

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

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Workshop show

Special Steel 1.2631 Round Steel / A8 Tool Steel Round Bar

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: How are titanium alloys used in the medical industry?: Titanium alloys are widely used in the medical industry due to their biocompatibility and excellent mechanical properties. These alloys are used to manufacture medical implants, such as joint replacements, bone plates, and dental implants, as they have a low risk of rejection by the body and can withstand the stresses of daily activities. Additionally, titanium alloys are used in surgical instruments and equipment, as they are lightweight, durable, and resistant to corrosion, ensuring patient safety and long-term performance.

Q: Is special steel suitable for manufacturing cutting tools?: Yes, special steel is highly suitable for manufacturing cutting tools. Special steel refers to steel that has been specifically designed and processed to possess exceptional properties such as high hardness, toughness, and wear resistance. These characteristics make special steel an ideal choice for cutting tools as they enable the tools to withstand the high stresses and pressures involved in cutting operations. The hardness of special steel ensures that cutting tools can maintain their sharpness for a longer period of time, leading to improved cutting performance and efficiency. Additionally, the toughness of special steel allows cutting tools to resist chipping, cracking, or breaking during use, enhancing their durability and longevity. Furthermore, the wear resistance of special steel ensures that cutting tools can withstand the abrasive forces encountered during cutting operations without significant loss of material or deterioration. This helps to maintain the accuracy and precision of the cutting tools over time. Moreover, special steel can be tailored to meet specific requirements for different cutting applications. For example, high-speed steel (HSS) is a type of special steel that is particularly suitable for cutting tools used in high-speed machining operations. HSS possesses excellent heat resistance and can retain its hardness even at elevated temperatures. In conclusion, special steel is highly suitable for manufacturing cutting tools due to its hardness, toughness, wear resistance, and ability to be customized for specific cutting applications. These properties enable cutting tools to deliver optimal cutting performance, durability, and accuracy.

Q: What are the different galvanizing techniques used for special steel?: There are several galvanizing techniques commonly used for special steel, including hot-dip galvanizing, electro-galvanizing, and mechanical galvanizing. Each technique has its own advantages and is suitable for specific applications.

Q: What are the properties of high-speed tool steel?: High-speed tool steel is known for its exceptional hardness, wear resistance, and ability to retain its cutting edge even at high temperatures. It also exhibits excellent toughness, strength, and dimensional stability, making it ideal for applications that involve high-speed machining, cutting, or drilling operations. Additionally, high-speed tool steel has good heat resistance and can withstand thermal shock, making it suitable for use in demanding industrial environments.

Q: How does special steel contribute to the safety of infrastructure?: The safety of infrastructure is greatly enhanced by special steel in several ways. Firstly, it possesses exceptional strength and durability, allowing for the construction of strong and resilient structures. Bridges, buildings, and tunnels can rely on special steel to withstand heavy traffic, strong winds, seismic activities, and even potential terrorist attacks. Furthermore, special steel exhibits excellent resistance to corrosion, making it ideal for infrastructure projects exposed to harsh environmental conditions. By preventing rust and decay, it prolongs the lifespan of structures and reduces the need for costly maintenance and repairs. This is particularly crucial in coastal areas, where saltwater can cause significant damage. Moreover, special steel has outstanding fire resistance due to its high melting point. This characteristic ensures that structures maintain their structural integrity even under extreme temperatures. In the event of a fire, this feature allows for additional time for evacuation and emergency response, thereby enhancing overall safety. Additionally, special steel enables innovative design solutions, further contributing to infrastructure safety. Its versatility allows for the creation of complex and efficient structures such as long-span bridges and skyscrapers. These designs often incorporate special steel components, such as high-strength beams or columns, which enhance overall stability and safety. In conclusion, special steel is an essential material for ensuring the safety and reliability of infrastructure. Its exceptional strength, corrosion resistance, fire resistance, and design flexibility enable engineers and architects to create structures capable of withstanding various challenges. By utilizing special steel in construction projects, lives and well-being of people who utilize these structures can be effectively protected.

Q: What are the properties of creep-resistant steel?: Creep-resistant steel is known for its ability to withstand high temperatures and prolonged exposure to stress without significant deformation. It has a high creep strength, which means it can resist the gradual elongation and deformation that occurs under constant load or stress over time. This type of steel also exhibits excellent resistance to rupture, corrosion, and oxidation at elevated temperatures. Additionally, it maintains its mechanical properties, such as hardness and tensile strength, even in extreme conditions, making it ideal for applications in power generation, aerospace, and other industries where high temperatures and stress are present.

Q: What industries use special steel?: Several industries use special steel, including automotive, aerospace, construction, energy, manufacturing, and oil and gas.

Q: What are the different methods for improving the corrosion resistance of special steel?: There are multiple techniques available to enhance the corrosion resistance of special steel. 1. Alloying: Adding alloying elements, like chromium, nickel, and molybdenum, to the steel composition is a widely used method. These elements create a protective layer on the steel surface, preventing corrosion. For instance, stainless steel contains a substantial amount of chromium, which forms a passive film that shields the steel from corrosive surroundings. 2. Surface treatments: Diverse surface treatments can be applied to special steel to augment its corrosion resistance. These treatments include electroplating, hot-dip galvanizing, and chemical passivation. Electroplating involves coating the steel with a layer of zinc or nickel, serving as a sacrificial anode that safeguards the steel from corrosion. Hot-dip galvanizing entails immersing the steel in molten zinc to form a durable and corrosion-resistant layer. Chemical passivation involves treating the steel with a solution that eliminates surface impurities and forms a protective oxide layer. 3. Protective coatings: The application of protective coatings can considerably enhance the corrosion resistance of special steel. Coatings like paint, epoxy, or polyurethane act as barriers, preventing moisture and corrosive substances from contacting the steel surface. These coatings can be applied through spray, dip, or powder coating methods. 4. Heat treatment: Modifying the microstructure of special steel through heat treatment improves its corrosion resistance. Processes like annealing, quenching, and tempering can alter the steel's properties, making it more resistant to corrosion. Heat treatment can also alleviate internal stresses that contribute to corrosion. 5. Environmental control: Controlling the environment in which the special steel is utilized can also aid in improving its corrosion resistance. This includes maintaining appropriate humidity levels, controlling pH, avoiding exposure to corrosive chemicals, and implementing effective ventilation systems. By minimizing the exposure of special steel to corrosive elements, its corrosion resistance can be enhanced. In conclusion, a combination of these methods can be employed to enhance the corrosion resistance of special steel, ensuring its durability and performance in corrosive environments.

Q: What is the role of chromium in special steel?: Chromium plays a crucial role in special steel due to its unique properties and characteristics. It is primarily added to steel alloys to enhance their corrosion resistance, durability, and strength. One of the significant contributions of chromium is its ability to form a passive oxide layer on the surface of steel, known as chromium oxide. This oxide layer acts as a protective barrier, preventing the underlying steel from coming into contact with corrosive elements such as oxygen and moisture. This corrosion resistance makes chromium-containing steel highly suitable for applications in harsh environments, such as marine or chemical industries, where the material is exposed to corrosive agents. Furthermore, chromium also improves the mechanical properties of steel. It increases the steel's hardness, toughness, and wear resistance. This makes it valuable in manufacturing tools, machinery components, and other applications that require high strength and durability. Chromium also helps in retaining the steel's sharpness and edge retention, making it ideal for making high-quality knives and blades. Additionally, chromium is essential in heat-resistant steel alloys, as it significantly improves the material's ability to withstand high temperatures without losing its strength or shape. This makes it suitable for various applications, including turbine blades, exhaust systems, and aerospace components. In summary, chromium plays a vital role in special steel by enhancing its corrosion resistance, improving mechanical properties, and enabling it to withstand high temperatures. These properties make chromium-containing steel alloys highly versatile and valuable in a wide range of industries and applications.

Q: What are the main factors affecting the fatigue strength of special steel?: The fatigue strength of special steel is influenced by several main factors: 1. Material composition: The chemical composition of special steel plays a significant role in determining its fatigue strength. Alloying elements such as carbon, chromium, molybdenum, and nickel can enhance the material's resistance to fatigue by improving its ability to withstand cyclic loading. 2. Microstructure: The microstructure of special steel, including the grain size, crystallographic texture, and presence of any precipitates or phases, can significantly affect its fatigue strength. Fine-grained structures generally exhibit higher fatigue strength due to reduced stress concentrations and improved resistance to crack initiation and propagation. 3. Surface condition: The surface finish and integrity of special steel can have a significant impact on its fatigue strength. Surface defects, such as scratches, notches, or roughness, can act as stress concentrators and initiate fatigue cracks. Proper surface treatments, such as grinding or shot peening, can improve the fatigue resistance by reducing stress concentrations and introducing compressive residual stresses. 4. Heat treatment: The heat treatment process used to modify the structure and properties of special steel can also affect its fatigue strength. Proper heat treatment techniques, such as quenching and tempering, can optimize the material's microstructure, improve its hardness, and enhance its resistance to fatigue. 5. Loading conditions: The type and magnitude of cyclic loading applied to special steel significantly influence its fatigue strength. Factors such as stress amplitude, mean stress, load ratio (ratio of minimum to maximum stress), and frequency of loading can all impact the fatigue life of the material. 6. Environmental conditions: The presence of corrosive environments, high temperatures, or other harsh conditions can decrease the fatigue strength of special steel. Environmental factors can accelerate crack initiation and propagation, leading to reduced fatigue life. Proper selection of corrosion-resistant alloys or protective coatings can mitigate the adverse effects of the environment on fatigue strength. By considering and optimizing these factors, manufacturers and engineers can enhance the fatigue strength of special steel, ensuring its reliability and longevity in various applications.

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