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

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

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

Product show

.jpg

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: What are the most common alloys used in special steel?: The most common alloys used in special steel are chromium, nickel, molybdenum, and vanadium.

Q: What are the non-destructive testing methods used for special steel?: There are several non-destructive testing (NDT) methods that are commonly used for special steel. These methods are designed to detect flaws or defects in the steel without causing any damage to the material. One of the most widely used NDT methods for special steel is ultrasonic testing. This technique involves sending high-frequency sound waves through the steel and analyzing the echoes that are reflected back. By measuring the time it takes for the sound waves to travel through the steel and return, technicians can determine the thickness, density, and internal structure of the material. Ultrasonic testing is particularly effective at detecting cracks, voids, or inclusions in the steel. Another commonly used NDT method for special steel is magnetic particle testing. This technique involves applying a magnetic field to the surface of the steel and then coating it with a magnetic powder. Any defects or irregularities in the steel will create magnetic flux leakage, causing the magnetic particles to cluster and form visible indications. This method is particularly effective at detecting surface cracks or discontinuities in the steel. Liquid penetrant testing is another NDT method that is often used for special steel. This technique involves applying a liquid dye or fluorescent material to the surface of the steel. The dye penetrates any surface cracks or defects, and after a specified dwell time, excess dye is removed. A developer is then applied, which draws out the dye from any flaws, making them visible under UV light. This method is effective at detecting surface discontinuities and is commonly used in the aerospace and automotive industries. Radiographic testing is another NDT method that can be used for special steel. This technique involves exposing the steel to X-rays or gamma rays and capturing the resulting image on a film or digital detector. By analyzing the radiographic image, technicians can detect internal flaws such as cracks, voids, or inclusions in the steel. This method is particularly useful for thicker sections of steel or when access to the material is limited. In conclusion, non-destructive testing methods such as ultrasonic testing, magnetic particle testing, liquid penetrant testing, and radiographic testing are commonly used for special steel. These methods allow for the detection of flaws or defects in the steel without causing any damage to the material, ensuring its integrity and reliability.

Q: What are the main characteristics of heat-resistant steel forgings?: High-temperature applications can benefit from the use of heat-resistant steel forgings due to their distinct characteristics. Firstly, these forgings possess exceptional resistance to oxidation and corrosion, enabling them to maintain their mechanical properties even under elevated temperatures. This resistance is achieved by incorporating alloying elements such as chromium, nickel, and molybdenum, which form a protective oxide layer on the steel's surface. Secondly, heat-resistant steel forgings demonstrate remarkable strength and toughness when exposed to high temperatures. This is crucial for applications that subject the material to mechanical stress and thermal cycling, such as gas turbines, power plants, and aerospace engines. The combination of high strength and toughness ensures that the forgings can endure harsh operating conditions without deformation or failure. Another significant characteristic of heat-resistant steel forgings is their ability to retain hardness and dimensional stability even after prolonged exposure to high temperatures. This is accomplished through meticulous alloying and heat treatment processes, optimizing the steel's microstructure. As a result, the material possesses a fine grain structure and high uniformity, enhancing its resistance to thermal fatigue and creep. Moreover, heat-resistant steel forgings exhibit good thermal conductivity, facilitating efficient heat transfer and dissipation. This is particularly important in applications where heat generation needs effective management to prevent overheating and damage to surrounding components. Lastly, heat-resistant steel forgings can be easily machined and fabricated into intricate shapes, making them versatile and suitable for various applications. They can be forged, machined, and welded without significant loss of mechanical properties, making them ideal for manufacturing components with complex designs and high precision requirements. In conclusion, the main characteristics of heat-resistant steel forgings include excellent resistance to oxidation and corrosion, high strength and toughness at high temperatures, dimensional stability and hardness retention, good thermal conductivity, and ease of machining and fabrication. These characteristics make heat-resistant steel forgings indispensable in industries that require reliable and durable materials in extreme heat conditions.

Q: How is nitriding steel used in the production of tools and dies?: Nitriding steel is used in the production of tools and dies because it significantly enhances their surface hardness, wear resistance, and overall durability. This process involves diffusing nitrogen into the steel's surface, forming a hard layer that helps resist wear, abrasion, and corrosion. Nitrided tools and dies are therefore capable of withstanding heavy usage and high temperatures, which are common in manufacturing processes.

Q: What is the impact of impurities on the machinability of special steel?: The machinability of special steel can be significantly affected by impurities. Impurities such as sulfur, phosphorus, and non-metallic inclusions have a negative impact on the performance and machinability of the material. Sulfur is often present in steel as an impurity, forming brittle compounds that reduce machinability. High levels of sulfur result in increased tool wear, poor surface finish, and decreased cutting tool life. Therefore, it is crucial to control sulfur content in special steel to ensure good machinability. Phosphorus is another impurity that adversely affects machinability. It forms hard and brittle compounds that lead to tool chipping, breakage, and poor chip control. High levels of phosphorus also cause reduced cutting tool life and surface finish. Non-metallic inclusions, such as oxides, sulfides, and silicates, are significant impurities in steel. These inclusions act as stress concentrators, resulting in increased tool wear and decreased machining quality. Large inclusions can even cause tool breakage, interrupting the machining process. Therefore, minimizing the presence of non-metallic inclusions is crucial for improving the machinability of special steel. In conclusion, impurities in special steel have a detrimental effect on its machinability. To ensure good machinability, it is important to carefully control and minimize the levels of impurities like sulfur, phosphorus, and non-metallic inclusions. This can be achieved through the careful selection of raw materials, refining processes, and implementing quality control measures during the manufacturing of special steel.

Q: How is maraging steel used in the production of rocket and missile components?: Maraging steel is utilized in the manufacturing of rocket and missile components due to its exceptional strength, toughness, and resistance to fatigue and stress. Its unique properties make it ideal for critical parts such as pressure vessels, casings, nozzles, and structural elements, where high-performance materials are required to withstand extreme conditions during launch and flight. Maraging steel's ability to maintain its integrity under intense heat, pressure, and vibrations makes it a crucial material for ensuring the reliability and safety of rocket and missile systems.

Q: Can special steel be used for aerospace engine components?: Yes, special steel can be used for aerospace engine components. Special steel alloys, such as nickel-based superalloys, are often used in the manufacturing of aerospace engine components due to their excellent high-temperature strength, corrosion resistance, and ability to withstand extreme conditions. These steel alloys are specifically designed to meet the stringent requirements and demands of aerospace applications, ensuring optimal performance and reliability of the engine components.

Q: What are the different coating options available for special steel?: Some of the different coating options available for special steel include galvanizing, powder coating, electroplating, and organic coatings such as epoxy or polyurethane. These coatings provide protection against corrosion, enhance durability, and improve the aesthetics of the steel.

Q: Is special steel recyclable?: Yes, special steel is recyclable.

Q: How does special steel contribute to the chemical resistance of products?: Special steel, also known as stainless steel, contributes significantly to the chemical resistance of products due to its unique composition and properties. These steels contain a high percentage of chromium, which forms a thin, passive oxide layer on the surface of the steel. This oxide layer acts as a protective barrier, preventing corrosive substances from coming into direct contact with the steel and causing chemical reactions. The chromium in special steel forms a stable oxide layer that is highly resistant to corrosion, even in harsh chemical environments. This oxide layer is self-repairing, meaning that if it is damaged or scratched, it will quickly reform and continue to protect the steel. Additionally, the presence of other alloying elements such as nickel and molybdenum further enhances the chemical resistance of special steel. The chemical resistance of special steel extends to a wide range of corrosive substances, including acids, alkalis, and salts. This makes it highly suitable for applications in various industries such as chemical processing, pharmaceuticals, food processing, and marine environments. By using special steel in the manufacturing of products, the risk of chemical degradation and corrosion is significantly reduced. This leads to increased product lifespan, improved performance, and reduced maintenance costs. Furthermore, it ensures that the integrity and safety of the products are maintained, as chemical resistance is crucial in preventing leaks, contamination, and structural failures. In summary, special steel contributes to the chemical resistance of products by forming a protective oxide layer on its surface, which shields it from corrosive substances. Its unique composition and properties make it highly resistant to chemical degradation, ensuring the longevity and reliability of products in various industrial applications.

Send your message to us

*Email

*TEL

*Quantity

*Unit