• Special Steel 1.2631 Round Steel / A8 Tool Steel Round Bar System 1
  • Special Steel 1.2631 Round Steel / A8 Tool Steel Round Bar System 2
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. get latest price
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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Item specifice

Alloy Steel
Steel Round Bar
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
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)
Net Weight:
as required
as required
as required

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

















Specification of A8 steel round bar


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. 


 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

Special Steel 1.2631 Round Steel / A8 Tool Steel Round Bar


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 some common applications of special steel?
Special steel, also known as alloy steel or tool steel, is a type of steel that has been specifically designed to exhibit enhanced properties compared to traditional carbon steel. Due to its unique composition, special steel finds a wide range of applications in various industries. One common application of special steel is in the manufacturing of cutting tools. Tools such as drills, saws, and milling cutters require high hardness, wear resistance, and toughness to withstand the demanding conditions of cutting and machining operations. Special steel provides these qualities, enabling the tools to maintain their sharpness and cutting efficiency for longer periods. Additionally, special steel is extensively used in the automotive industry. It is employed in the production of engine components, such as crankshafts, camshafts, and connecting rods, which require high strength, fatigue resistance, and heat resistance. Special steel's superior mechanical properties make it ideal for these critical engine parts, ensuring durability and performance. Another application of special steel is in the construction of molds and dies. Special steel is often used to fabricate injection molds, extrusion dies, and forging dies due to its exceptional thermal conductivity, wear resistance, and toughness. These properties allow for efficient and precise shaping of materials in the manufacturing of various products such as plastic components, metal parts, and automotive body panels. Special steel also finds applications in the aerospace industry. It is utilized in the production of aircraft components, including landing gears, turbine blades, and structural parts. The high strength, heat resistance, and corrosion resistance of special steel make it suitable for withstanding the extreme conditions experienced in aviation, ensuring the safety and reliability of aircraft. Furthermore, special steel is employed in the energy sector. It is used in the manufacturing of turbine blades for power generation, where high temperature and pressure conditions require materials with excellent creep resistance and thermal stability. Special steel's ability to withstand these harsh environments makes it an essential material in the construction of power plants. In summary, special steel is widely used in various industries for its exceptional properties. Its applications range from cutting tools and automotive components to molds and dies, aerospace parts, and power generation equipment. The versatility of special steel allows for the production of high-quality, durable, and efficient products across different sectors.
Q:How does special steel resist oxidation at high temperatures?
Special steel resists oxidation at high temperatures due to the presence of specific alloying elements and a carefully controlled manufacturing process. These alloying elements, such as chromium, nickel, and aluminum, form a protective oxide layer on the surface of the steel when exposed to oxygen in the air. This oxide layer acts as a barrier, preventing further oxidation of the steel. Chromium is particularly effective in forming a stable and dense chromium oxide layer, which acts as a self-healing mechanism. This means that if the oxide layer is damaged or scratched, it will quickly regenerate and continue to protect the steel from further oxidation. Furthermore, the manufacturing process of special steel involves precise control of the composition and heat treatment. This ensures that the steel has a fine and uniform microstructure, minimizing the presence of impurities or defects that could accelerate oxidation. Additionally, the steel is often subjected to various heat treatments, such as annealing or quenching, which further enhance its resistance to oxidation. Overall, the combination of alloying elements, controlled composition, and specific manufacturing processes enable special steel to resist oxidation at high temperatures, making it ideal for applications in industries such as aerospace, power generation, and petrochemical.
Q:What grade of iron powder should be used for processing special steel? Are there any other elements on the request? How much are they?
The main special steel carbon structural steel, carbon tool steel, carbon spring steel, alloy spring steel, alloy structural steel, bearing steel, alloy tool steel, alloy tool steel, high-speed tool steel, stainless steel, heat-resistant steel and high-temperature alloy, precision alloy, gold and other electric heating.
Q:Can special steel be cast?
Yes, special steel can be cast.
Q:How does special steel perform in high-vibration applications?
Special steel is known for its excellent performance in high-vibration applications. Its unique composition and properties make it highly resistant to the effects of vibration, ensuring optimal performance and durability in such environments. One of the key features of special steel is its high tensile strength. This strength allows it to withstand the forces and stresses generated by vibration without undergoing deformation or failure. This property is vital in high-vibration applications, where constant movement and oscillation can subject materials to significant stress. Moreover, special steel exhibits exceptional fatigue strength, meaning it can endure repeated cycles of stress and vibration without compromising its structural integrity. This makes it ideal for applications that involve continuous or cyclic vibration, such as machinery, equipment, and structures subjected to dynamic loads. Additionally, special steel possesses excellent damping properties. Damping refers to the ability of a material to absorb and dissipate energy generated by vibrations. Special steel's superior damping characteristics help reduce the magnitude and duration of vibrations, minimizing the impact on the surrounding components and structures. This contributes to overall system stability and reduces the risk of fatigue or premature failure. Furthermore, special steel is often engineered to have high resistance to corrosion and wear. This resistance ensures that the material remains robust and reliable even in harsh environments where vibration-induced corrosion or erosion may occur. By maintaining its protective coating and integrity, special steel can effectively withstand the challenges posed by high-vibration applications. In summary, special steel performs exceptionally well in high-vibration applications due to its high tensile strength, fatigue resistance, damping properties, and corrosion/wear resistance. Its combination of these properties ensures optimal performance, longevity, and safety in environments characterized by significant vibration and dynamic loads.
Q:How does special steel contribute to improved product aesthetics?
Special steel contributes to improved product aesthetics in several ways. Firstly, special steel can be manufactured with a higher level of precision and consistency compared to regular steel. This allows for the creation of products with smoother surfaces, sharper edges, and more intricate designs. As a result, products made from special steel often have a more visually appealing appearance. Additionally, special steel can be treated or coated to enhance its visual appeal. For example, it can be polished to create a reflective surface, giving the product a high-end and luxurious look. Special steel can also be coated with different colors or finishes, such as chrome or black oxide, to match specific design preferences and create a more visually striking appearance. Furthermore, special steel can be shaped and formed in unique ways due to its superior strength and flexibility. This allows designers to create products with more complex and innovative shapes, resulting in a distinct and eye-catching aesthetic. The ability to mold special steel into various forms also opens up possibilities for creating intricate patterns, textures, and embossed designs on the product's surface. Lastly, special steel offers excellent corrosion resistance and durability, which helps maintain the product's appearance over time. It prevents rust, staining, and other forms of deterioration that can negatively impact the visual appeal of a product. This long-lasting aesthetic quality is especially important for products that are regularly exposed to harsh environments or require frequent handling. In summary, special steel contributes to improved product aesthetics through its precision manufacturing, customizable surface treatments, unique shaping capabilities, and long-lasting visual appeal. These qualities allow for the creation of visually appealing products that stand out in terms of design, finish, and overall appeal.
Q:What are the environmental impacts of manufacturing special steel?
Manufacturing special steel has significant environmental impacts due to its energy-intensive production process and the extraction of raw materials. The production of special steel requires high temperatures and uses large amounts of fossil fuel-based energy, resulting in substantial greenhouse gas emissions contributing to climate change. Additionally, the extraction of iron ore and other raw materials for steel production can lead to deforestation, habitat destruction, and water pollution. The disposal of steel waste and byproducts also poses challenges, as it can contaminate soil and water sources. Therefore, the environmental impacts of manufacturing special steel must be carefully managed and mitigated through sustainable practices and technologies.
Q:Can special steel be used in the oil refinery industry?
Yes, special steel can be used in the oil refinery industry. Special steel alloys such as stainless steel, duplex stainless steel, and nickel-based alloys have excellent corrosion resistance properties, high temperature strength, and resistance to cracking, making them ideal for various applications in oil refineries. These materials can be used for equipment such as pipes, valves, heat exchangers, and storage tanks, ensuring the safe and efficient operation of oil refineries.
Q:How does special steel perform in electrical applications?
Special steel, also known as electrical steel, is specifically designed and manufactured to meet the unique requirements of electrical applications. It exhibits excellent magnetic properties, making it highly suitable for use in electrical machines and devices. One of the key characteristics of special steel is its low electrical resistivity, which allows for efficient current flow and minimizes energy losses in electrical circuits. This low resistivity is achieved by carefully controlling the composition and microstructure of the steel. Additionally, special steel possesses a high magnetic permeability, which means it can easily be magnetized and demagnetized. This property is essential for the efficient operation of electrical machines, such as transformers, motors, and generators. Furthermore, special steel has a low coercivity, which means it requires relatively low levels of magnetic field strength to magnetize or demagnetize it. This property is beneficial in applications where rapid and precise magnetic switching is required, such as in electric transformers. Special steel also exhibits low hysteresis loss, which refers to the energy dissipated as heat during magnetization and demagnetization cycles. This characteristic ensures minimal energy losses in electrical devices, leading to improved overall efficiency. In summary, special steel performs exceptionally well in electrical applications due to its low electrical resistivity, high magnetic permeability, low coercivity, and low hysteresis loss. These properties make it an ideal choice for a wide range of electrical machines and devices, contributing to their efficiency and reliability.
Q:What are the characteristics of special stainless steel?
Special stainless steel distinguishes itself from regular stainless steel through its exceptional properties. Some of the notable traits of this type of stainless steel are as follows: 1. Unparalleled Resistance to Corrosion: Unlike regular stainless steel, special stainless steel boasts a higher degree of corrosion resistance. It can endure exposure to harsh surroundings, such as saltwater or acidic substances, without undergoing corrosion or deterioration. 2. Impressive Endurance of High Temperatures: Special stainless steel is engineered to withstand elevated temperatures without compromising its structural integrity. This makes it suitable for industries like aerospace, automotive, and power generation, where extreme heat endurance is essential. 3. Reinforced Strength and Durability: Special stainless steel is commonly alloyed with other elements to enhance its strength and durability. Consequently, it exhibits remarkable resistance to deformation, cracking, and wear, ensuring its longevity and reliability in demanding conditions. 4. Exceptional Mechanical Properties: Special stainless steel possesses outstanding mechanical properties, including high tensile strength, toughness, and ductility. These properties make it an ideal choice for applications that require a high load-bearing capacity, such as structural components and machinery. 5. Distinctive Magnetic Properties: Depending on its composition, special stainless steel can display a range of magnetic properties, varying from non-magnetic to highly magnetic. This versatility enables its use in applications that demand magnetic properties, such as magnetic resonance imaging (MRI) machines or electrical transformers. 6. Hygienic and Easy to Maintain: Special stainless steel is renowned for its hygienic properties, rendering it suitable for applications in the food and healthcare industries. It is non-porous, resistant to bacterial growth, and easy to clean, making it an ideal choice for equipment and surfaces that must meet stringent sanitary standards. 7. Aesthetic Allure: The aesthetic appeal of special stainless steel often leads to its utilization in architectural and design applications. It can be polished to achieve a mirror-like finish, lending it a sleek and contemporary appearance. Moreover, its malleability and weldability allow for limitless creative design possibilities. In conclusion, special stainless steel possesses an array of exceptional properties, encompassing high corrosion resistance, temperature resistance, strength, durability, excellent mechanical properties, unique magnetic properties, hygienic features, and aesthetic appeal. These characteristics position it as the preferred choice for a wide range of industrial, commercial, and domestic applications.

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