• Special Steel SKD12 Round Forged Tool Steel System 1
  • Special Steel SKD12 Round Forged Tool Steel System 2
  • Special Steel SKD12 Round Forged Tool Steel System 3
Special Steel SKD12 Round Forged Tool Steel

Special Steel SKD12 Round Forged Tool Steel

Ref Price:
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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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Item specifice

Type:
Carbon Steel,Spring Steel,Bearing Steel,Gear Steel,Deformed Steel,Stainless Steel,Alloy Steel
Shape:
Steel Coil,Steel Sheet,Steel Wire Rod,Steel Flat Bar,Steel Square Bar,Steel Angle,Steel Round Bar,Steel Billets
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Certification:
UL,ISO,SGS,BV,IBR,RoHS,CE,API,BSI

Specifications

SKD12 Flats 
1.Dimension:10~620mmX50~1200mm 
2.Delivery Conditon:annealed, black/milled surface 
3.Short Delivery Time
 

Product information

Chemical Composition(%)       

 C

Si

 Mn

 P

 S

 Cr

Mo

 V


0.95-1.02

0.10-0.40

0.40-0.80

 ≤0.030

   ≤0.030

4.80-5.50

0.90-1.20

0.15-0.35


Use       

1. corrosion resistance  

2. wear resistance of high quality plastic mould

3. transparent plastic mould.

Heat Treatment       

annealed, 229HBS max(optional)/after Q+T, hardness 28-32HRC(optional)

Melting Process 

1. EAF: Electric Furnace+LF+VD(Optional)

2. ESR:  Electric Furnace+LF+VD+Eleroslag Remelted(Optional)

UT Class

According to Standard of SEP 1921/84,100% Volume, Level C/c, D/d or E/e

Tolerance on Quantity

+/-10% Per Size

Documents

1.  Packing List

2. Invoice

3. CO.

4. Bill of Loading

5. Shipping Advice

6. Mill Test Certificate

7. The other files as you requested

Product show

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Workshop show

Special Steel SKD12 Round Forged Tool 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


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 is special steel used in the mining supply chain?
Special steel is used in various ways in the mining supply chain. It is commonly used to manufacture heavy machinery and equipment such as excavators, drills, crushers, and conveyor systems, which are vital for extracting and processing minerals. The high strength and durability of special steel make it suitable for withstanding the harsh conditions and heavy loads encountered in mining operations. Additionally, special steel is used for constructing pipelines, storage tanks, and other infrastructure required for transporting and storing extracted minerals.
Q:How does special steel perform in high-temperature creep resistance?
Special steel has excellent performance in high-temperature creep resistance. It is specifically designed to withstand prolonged exposure to elevated temperatures without undergoing excessive deformation. This is achieved through the addition of alloying elements and a careful heat treatment process, which help to enhance the steel's strength, stability, and resistance to creep. Special steel's superior creep resistance makes it a reliable choice for applications that involve high temperatures and long-term stress, ensuring the structural integrity and durability of the material.
Q:What are the challenges in machining special steel with high hardness?
One of the main challenges in machining special steel with high hardness is the excessive tool wear. High hardness steel is extremely tough and can quickly wear down cutting tools, leading to frequent tool changes and increased costs. Additionally, the high hardness of the material makes it more difficult to achieve the desired surface finish and dimensional accuracy. The heat generated during machining can also pose a challenge as it can cause thermal distortion and affect the integrity of the steel. Therefore, finding suitable cutting tools and implementing effective cooling techniques are crucial for successfully machining special steel with high hardness.
Q:How does special steel contribute to the manufacturing of oil and gas equipment?
Special steel plays a vital role in the manufacturing of oil and gas equipment by offering exceptional strength, corrosion resistance, and high-temperature stability. This type of steel is specifically designed to withstand the harsh and challenging conditions encountered in the oil and gas industry, such as extreme temperatures, pressure, and corrosive environments. It is used to construct various components of equipment like pipes, valves, fittings, drilling tools, and offshore platforms. Special steel's superior properties ensure the reliability, durability, and safety of oil and gas equipment, enabling efficient operations in this critical sector.
Q:How does special steel perform in oil and gas applications?
Special steel performs exceptionally well in oil and gas applications due to its excellent corrosion resistance, high strength, and temperature resistance. It is specifically designed to withstand harsh environments, including exposure to corrosive chemicals, high pressure, and extreme temperatures. This makes it an ideal material for manufacturing pipelines, valves, drill bits, and other critical components used in the oil and gas industry. Additionally, special steel's superior mechanical properties ensure durability, reliability, and longevity, thereby reducing maintenance costs and improving overall operational efficiency.
Q:What are the properties of corrosion-resistant steel?
Corrosion-resistant steel, also known as stainless steel, possesses several properties that make it highly resistant to corrosion. These properties include a high chromium content, which forms a protective oxide layer on the surface of the steel, preventing further corrosion. Additionally, it contains varying amounts of other elements such as nickel, molybdenum, and nitrogen, which further enhance its corrosion resistance. Stainless steel is also known for its durability, strength, and ability to withstand extreme temperatures and harsh environments. Overall, these properties make corrosion-resistant steel a reliable and long-lasting material for various applications in industries such as construction, automotive, and aerospace.
Q:What are the common challenges in forging special steel?
Forging special steel poses several common challenges that manufacturers and engineers must address in order to achieve desired outcomes. One of the primary challenges in forging special steel is maintaining precise temperature control throughout the process. Special steels often have specific heat treatment requirements, and any deviation from the recommended temperature range can adversely affect the final properties of the material. Achieving and sustaining the right temperature is crucial to ensure desired mechanical properties like strength, hardness, and toughness. Another challenge in forging special steel is controlling the cooling rate during quenching. Quenching is a critical step in the heat treatment process that helps to achieve the desired hardness and strength in special steels. However, rapid cooling can lead to the formation of undesirable microstructures or even cracking. Therefore, carefully managing the cooling rate is essential to avoid these issues and ensure optimal material properties. Additionally, shaping special steels through forging can be challenging due to their high strength and hardness. These materials are often more difficult to deform compared to regular steels, requiring higher forging pressures and specialized equipment. The resistance to deformation can lead to increased wear on the forging dies, requiring frequent maintenance and replacement. Furthermore, special steels may contain alloying elements that can affect their forgeability. Some alloying elements can promote grain growth, which can reduce the mechanical properties of the material. Finding the right balance of alloying elements and optimizing the forging process parameters is crucial to achieve the desired microstructure and properties in the final product. Lastly, ensuring consistency and repeatability in the forging process can be a challenge. Special steels are often produced in smaller quantities or for specific applications, making it important to maintain process control and quality assurance. Proper documentation, monitoring, and quality control measures need to be implemented to ensure that the forged special steel meets the desired specifications and performance requirements. Overall, forging special steel requires careful attention to temperature control, cooling rate during quenching, shaping difficulties, alloying elements, and maintaining consistency. Addressing these challenges through proper process control and optimization is crucial to obtain high-quality special steel products with the desired mechanical properties and performance characteristics.
Q:Is special steel suitable for marine applications?
Marine applications necessitate materials capable of enduring high levels of moisture, exposure to saltwater, and environmental factors such as temperature fluctuations and the impact of waves. Special steel, also known as marine grade stainless steel, is specifically engineered to withstand the challenging conditions prevalent in marine environments. Its exceptional resistance to corrosion, particularly in the presence of saltwater, renders it highly appropriate for diverse marine applications. Distinguished by a greater proportion of chromium and nickel compared to standard steel grades, special steel augments its corrosion resistance properties. Furthermore, it is frequently alloyed with molybdenum, titanium, or other elements to further enhance its resistance to pitting, crevice corrosion, and chloride-induced stress corrosion cracking. Shipbuilding, offshore oil and gas platforms, marine equipment and machinery, marine pipelines, as well as marine architecture and structures are among the common marine applications that derive benefits from special steel. Additionally, special steel is employed in the construction of naval vessels, submarines, and offshore wind farms. To summarize, special steel is exceptionally well-suited to marine applications due to its exceptional resistance to corrosion, durability, and strength. It effectively withstands the rigorous conditions present in marine environments, ensuring the longevity and dependability of marine structures and equipment.
Q:What are the different surface defects in special steel?
Some common surface defects in special steel include scale, pits, scratches, cracks, and inclusions. Scale refers to the formation of oxide layers on the surface, while pits are small depressions caused by corrosion or mechanical damage. Scratches can occur during handling or processing, while cracks are often due to excessive stress or improper heat treatment. Inclusions are foreign particles or impurities embedded in the steel, which can impact its overall quality and performance.
Q:What are the properties of corrosion-resistant alloy steel?
Corrosion-resistant alloy steel possesses properties such as high resistance to corrosion, oxidation, and rusting, making it suitable for applications in aggressive environments. It exhibits excellent strength and durability, even in harsh conditions, while maintaining its corrosion resistance. Additionally, it can withstand high temperatures and pressures, making it ideal for industries like oil and gas, chemical processing, and marine applications.

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