Special Steel Cr12MoV, SKD11, D2,D3, 1.2379 Round Bars

Special Steel Cr12MoV, SKD11, D2,D3, 1.2379 Round Bars System 1

Special Steel Cr12MoV, SKD11, D2,D3, 1.2379 Round Bars

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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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Specification :

Size	round	Dia 18mm~220mm
	flat	Thickness 6mm-400mm
		Width 60mm-610mm
Technique	Cold Drawn/Cold Pilfered/Cold Rolled/Hot Rolled/forge-
Process	EAF+LF+VD+ Forged/Hot rolled + Heat Treatment (Annealed,A Normalized, Q+T)
Heat treatment	Normalized ; Annealed ; Quenched ; tempered
Surface Condition	Black surface ; Grinded ; Machined;Turned
Inspection	100% Ultrasonic according to the test standards:SEP1921-84,CLASS C/c or D/d
Payment Terms	T/T;L/C
Trade Terms	FOB;CIF,CFR
Packing	Standard seaworthy packing or as customer required
Application	various large-sized mirror plastic mould, precision plastic mould, like: cars accessies, home appliances, electronic equipment plastic mould

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Special Steel Cr12MoV, SKD11, D2,D3, 1.2379 Round Bars

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 limitations of using special steel in marine environments?: Special steel, while highly durable and resistant to corrosion, does have its limitations when used in marine environments. One of the main limitations is its susceptibility to pitting corrosion. Due to the presence of chloride ions in seawater, special steel can develop localized corrosion known as pitting, which can weaken the material and compromise its structural integrity. Furthermore, special steel may also be prone to stress corrosion cracking in marine environments. When exposed to tensile stress and corrosive agents, such as saltwater, the material can develop small cracks that propagate over time, leading to catastrophic failures. This makes it crucial to carefully monitor and manage the stress levels to prevent such occurrences. Additionally, special steel can be affected by galvanic corrosion when in contact with different metals or alloys in a marine environment. This occurs due to the electrochemical potential difference between the metals, resulting in accelerated corrosion of the less noble material. This requires careful consideration when selecting other materials for use in conjunction with special steel to avoid galvanic corrosion. Moreover, the cost of special steel can be significantly higher compared to other materials used in marine environments. This can pose a limitation, especially for projects with budget constraints. The higher costs of special steel may make it less financially viable for certain applications, leading to the exploration of alternative materials for marine applications. Lastly, the weight of special steel can also pose limitations in marine environments. Its density can contribute to increased weight, which affects the buoyancy and overall stability of marine vessels. This can impact the performance and maneuverability of ships and offshore structures, necessitating careful engineering and design considerations. In conclusion, while special steel offers excellent durability and corrosion resistance, it does have limitations when used in marine environments. Pitting corrosion, stress corrosion cracking, galvanic corrosion, higher costs, and weight considerations are some of the factors that need to be carefully managed and accounted for when utilizing special steel in marine applications.

Q:What are the different cutting grades of special steel?: There are several cutting grades of special steel, including high-speed steel (HSS), tool steel, stainless steel, and alloy steel. Each grade has specific properties and characteristics that make it suitable for different cutting applications.

Q:Can special steel be coated or plated?: Yes, special steel can be coated or plated with various materials to enhance its properties, protect against corrosion, or improve its aesthetic appearance.

Q:How is special steel used in the textile supply chain?: Special steel is used in the textile supply chain for various applications such as manufacturing textile machinery, equipment, and tools. The high strength and durability of special steel make it ideal for creating components that can withstand the demanding conditions of textile production, including high temperatures, corrosion, and heavy loads. It is commonly used in the production of spinning machines, looms, needles, and other crucial parts, ensuring efficient and reliable textile manufacturing processes.

Q:How are magnesium alloys used in lightweight structures?: Magnesium alloys are used in lightweight structures due to their exceptional strength-to-weight ratio. These alloys offer high strength and stiffness while being significantly lighter than other metals like steel or aluminum. This makes them ideal for applications in sectors such as aerospace, automotive, and sports equipment, where weight reduction is crucial without compromising structural integrity. Additionally, magnesium alloys possess good vibration damping properties, corrosion resistance, and excellent machinability, making them even more advantageous for lightweight structure design.

Q:Can special steel be used in marine applications?: Marine applications can indeed utilize special steel. This type of steel, also referred to as marine grade steel, is specifically engineered to endure the demanding conditions found in marine environments. It possesses exceptional qualities, including heightened resistance to corrosion, increased strength, and enhanced durability, which render it suitable for a wide range of marine applications. The construction of ships, offshore structures, and marine equipment commonly employs special steel. Its capacity to withstand corrosion from saltwater, chemicals, and other environmental factors makes it an excellent choice for marine applications. Additionally, special steel finds use in the production of propellers, shafts, and other components that necessitate high tensile strength and fatigue resistance. All in all, special steel proves to be a dependable and efficient material for marine applications due to its unique properties and ability to withstand the challenges presented by the marine environment.

Q:What are the applications of special steel in the automotive supply chain?: Special steel has various applications in the automotive supply chain. It is widely used in the manufacturing of engine components, such as crankshafts, camshafts, and connecting rods, due to its high strength and resistance to wear. Special steel also finds application in the production of suspension and steering components, as well as gears and shafts, which require excellent toughness and durability. Moreover, it is utilized in the fabrication of safety-related parts like seat belt anchors and airbag systems, ensuring the necessary strength and reliability. Overall, special steel plays a crucial role in enhancing performance, safety, and efficiency in the automotive industry.

Q:How is duplex stainless steel used in the oil and gas industry?: Duplex stainless steel is extensively used in the oil and gas industry due to its exceptional properties. It is commonly employed in the construction of pipelines, offshore platforms, and various equipment. Its high corrosion resistance allows for reliable performance in aggressive environments, such as offshore drilling rigs and subsea equipment. Additionally, its high strength and toughness make it suitable for handling high-pressure and high-temperature conditions. Overall, duplex stainless steel plays a crucial role in ensuring the safety, efficiency, and longevity of oil and gas operations.

Q:How does special steel contribute to the weldability of products?: Special steel contributes to the weldability of products in several ways. Firstly, special steel is specifically designed to have enhanced weldability characteristics, making it easier for welders to join different pieces of steel together. This is achieved by carefully controlling the chemical composition of the steel, ensuring that it has the necessary alloying elements and impurity levels to promote good weldability. Secondly, special steel often has lower carbon content compared to regular steel, which reduces the likelihood of weld metal cracking. Carbon is known to increase the susceptibility to cracking during welding, so by decreasing the carbon content, special steel minimizes this risk, ensuring a stronger and more durable weld joint. Furthermore, special steel is often produced with controlled grain size and microstructure, which improves its weldability. Fine-grained steel exhibits better toughness and reduced brittleness, making it less prone to cracking during welding. Similarly, a well-controlled microstructure ensures a more uniform distribution of alloying elements, resulting in improved mechanical properties and weldability. Special steel is also often subjected to various heat treatment processes to further enhance its weldability. Heat treatments such as annealing, normalizing, or quenching and tempering can refine the microstructure, relieve residual stresses, and improve the toughness of the steel, all of which contribute to better weldability. In addition, special steel is carefully manufactured to have low levels of impurities, such as sulfur and phosphorus, which can negatively affect weldability. Minimizing these impurities ensures that the steel can be welded without the formation of detrimental welding defects and improves the overall quality of the weld. Overall, special steel plays a crucial role in enhancing the weldability of products. Its carefully controlled chemical composition, reduced carbon content, controlled grain size and microstructure, as well as the application of heat treatments, all contribute to easier, stronger, and more reliable weld joints.

Q:What are the requirements for special steel used in aerospace defense applications?: The requirements for special steel used in aerospace defense applications include high strength, excellent corrosion resistance, heat resistance, and the ability to withstand extreme temperatures and pressure. It should also possess good weldability, fatigue resistance, and non-magnetic properties. Additionally, the steel should meet strict quality and certification standards to ensure reliability and safety in critical aerospace defense applications.

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