Hot Forged Alloy Steel 4140 Round Bars Special Steel

Hot Forged Alloy Steel 4140 Round Bars Special Steel

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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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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

Carbon Steel Round Bar	SS400, S235JR,Q235, ASTM A36, Fe360A, Fe360B,SM400A,080A15, SS41,E235B
	SAE 1020, AISI 1020, ASTM 1020, S20C, 20#, 050A20
	SAE 1045, AISI 1045, ASTM 1045, S45C, 45#,EN8, XC45, XC48, 45B, C45, CK45, CM45, 060A47, R683/IC45e
Alloy Steel Round Bar	40Cr, DIN 1.7035, SAE 5140, AISI 5140, ASTM 5140, SCr440, 41Cr4, 530A40, 42Cr4, 40X, R683/VII3
	SAE4140,42CrMo, 42CrMo4, DIN 1.7225, SCM440,EN19, 42CD4, 708M40, R683/II3
	SAE 4340, 40CrNiMoA, EN24, SNCM439, 817M40,40XMA, R683/III4
	SAE 8620,,AISI 8620, ASTM 8620, 20CrNiMo,SNCM220, 805M20
	SAE52100, AISI52100,ASTM E52100, GCr15, SUJ2, 100C6, 100Cr6, 1.3505, 534A99, IIIX15

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Hot Forged Alloy Steel 4140 Round Bars Special 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: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 is special steel used in the production of springs?: Special steel is used in the production of springs due to its excellent mechanical properties. It provides the necessary strength, durability, and elasticity required for springs to function effectively. The unique composition and heat treatment of special steel enable springs to withstand high levels of stress and repetitive loading, ensuring their longevity and reliability in various applications such as automotive, aerospace, and machinery industries.

Q:How is special steel used in the packaging industry?: Special steel is used in the packaging industry for a variety of applications such as manufacturing durable and corrosion-resistant containers, packaging machinery, and tools used in the packaging process. It provides strength, reliability, and longevity, ensuring the safety and protection of products during storage and transportation.

Q:How is special steel used in the production of bearings for high-speed applications?: Due to its unique properties, special steel is widely utilized in the manufacturing of bearings for high-speed applications. These bearings play a critical role in facilitating efficient movement between surfaces and must withstand extreme forces and rotational speeds. To meet these demanding requirements, special steel is selected for its remarkable strength, durability, and resistance to wear. The composition of special steel enables it to maintain its structural integrity under heavy loads, preventing deformation and ensuring the longevity of the bearing. Moreover, special steel possesses exceptional hardness and toughness, making it resistant to wear and fatigue caused by repetitive high-speed rotations. This characteristic is particularly important in high-speed applications where continuous motion generates significant heat and friction, leading to premature wear and failure of the bearing. By utilizing special steel, these issues are minimized, guaranteeing reliable and efficient performance. Additionally, special steel exhibits superior heat resistance, which is crucial in high-speed applications where temperatures can escalate due to friction and high rotational speeds. The ability of special steel to withstand elevated temperatures without compromising its mechanical properties or deforming is vital for preventing premature bearing failure and ensuring long-term performance. In conclusion, special steel is an indispensable material in the production of bearings for high-speed applications. Its exceptional strength, durability, wear resistance, and heat resistance enable bearings to operate reliably and efficiently under extreme conditions, ensuring smooth movement and reducing the risk of premature failure.

Q:How does special steel contribute to the manufacturing of bearings?: Special steel plays a crucial role in the manufacturing of bearings as it offers enhanced strength, durability, and corrosion resistance. The unique properties of special steel, such as high hardness and wear resistance, allow bearings to withstand heavy loads and operate at high speeds. Additionally, special steel alloys can be tailored to specific application requirements, ensuring optimal performance and longevity of bearings in various industries.

Q:What are the properties of magnesium alloys?: Magnesium alloys possess several important properties. They have a low density, making them lightweight and ideal for applications where weight reduction is crucial. They exhibit high strength-to-weight ratio, which makes them strong and durable. Magnesium alloys also have good heat dissipation properties, making them suitable for applications that require efficient cooling. They have excellent corrosion resistance, particularly when properly coated or treated. Additionally, magnesium alloys demonstrate good machinability and can be easily formed into various shapes and components.

Q:Can special steel be used in the battery manufacturing industry?: Yes, special steel can be used in the battery manufacturing industry. Special steel is often used in battery production for various purposes, such as in the construction of battery casings, terminals, and other components. Its high strength, durability, and resistance to corrosion make it suitable for ensuring the safety and longevity of batteries.

Q:What are the main advantages of using special steel in the mining industry?: The main advantages of using special steel in the mining industry are its exceptional strength, durability, and resistance to wear and tear. Special steel can withstand the harsh conditions and extreme forces encountered in mining operations, ensuring the longevity of equipment and machinery. Additionally, its high resistance to corrosion and heat makes it ideal for mining processes involving chemicals and high temperatures. Overall, the use of special steel enhances the efficiency, safety, and productivity of mining operations.

Q:What are the requirements for special steel used in marine applications?: Special steel used in marine applications must meet several specific requirements to ensure its durability and performance in harsh marine environments. These requirements include: 1. Corrosion resistance: Marine environments expose steel to saltwater, which can cause corrosion. Therefore, special steel used in marine applications must have high resistance to corrosion to prevent degradation and maintain its structural integrity over time. 2. Strength and toughness: Steel used in marine applications must have sufficient strength and toughness to withstand the dynamic forces and impacts experienced at sea. It should be able to withstand heavy loads, extreme temperatures, and impact from waves or collisions. 3. Weldability: Special steel for marine applications should have good weldability to facilitate the construction and repair of marine structures. Weldability ensures that the steel can be easily joined without compromising its structural integrity. 4. Fatigue resistance: Marine structures and vessels are subjected to cyclic loading, which can lead to fatigue failure if the steel is not designed to resist it. Special steel used in marine applications should have excellent fatigue resistance to withstand the constant cyclic loading associated with wave motions, currents, and operational conditions. 5. Low-temperature toughness: Marine applications often involve operations in cold climates or icy waters. Special steel used in marine applications should maintain its toughness and ductility even at low temperatures to prevent brittle fracture and ensure safety. 6. Fire resistance: Fire safety is crucial in marine applications. Therefore, special steel used in marine structures should have high fire resistance to prevent structural collapse and minimize the spread of fire. 7. Easy maintenance: Marine structures are subject to constant exposure to harsh environmental conditions. Therefore, special steel used in marine applications should be easy to maintain and repair, ensuring long-term performance and reducing downtime. To meet these requirements, special steel for marine applications is often alloyed with specific elements such as chromium, nickel, and molybdenum to enhance corrosion resistance, strength, and toughness. Additionally, advanced manufacturing processes and quality control measures are employed to ensure the highest standards of quality and performance in marine applications.

Q:Can special steel be used in the railway industry?: Yes, special steel can be used in the railway industry. Special steel, such as high-strength steel or corrosion-resistant steel, can be utilized for various applications in the railway industry, including the construction of tracks, bridges, and locomotives. These types of steel offer enhanced durability, strength, and resistance to wear and tear, making them suitable for the demanding conditions and heavy loads encountered in the railway sector.

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