Special Steel Aisi 4130 Alloy Steel Material Steel Round Bar

Special Steel Aisi 4130 Alloy Steel Material 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

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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

1.Specification of aisi 4130 alloy steel
Round bar	Diameter(mm)	Length (mm)
10~300	2000~5800
Plate	Thickness(mm)	Width (mm)	Length (mm)
20~70	105~610	2000~5800
The specification can be customised!
2.Chemical compositon of aisi 4130 alloy steel
NO.	C	Mn	Si	Cr	Mo	Ni	P	S
Aisi 4130	0.38~0.43	0.60~0.80	0.15~0.35	0.70~0.90	0.20~0.30	1.65~2.00	≤0.035	≤0.040
3. Mechanical properties of aisi 4130 alloy steel
Tensile str. (N/mm2)	Yield point (N/mm2)	Elongation (%)	Hardness
980	835	12	269
4.Heat treatment of aisi 4130 alloy steel
1. Forging:Heat slowly and uniformly to 1000°C. After forging cool slowly.
2. Annealing: 780-800`C slow cooling
5.Characteristic of aisi 4130 alloy steel
(1)Good purity and homogeneity.
(2) Good machinability (Roughing, grinding and drilling).
(3) Good dimensional stability during heat treatment.
(4) Excellent preparation for nitriding, both ionic and gaseous, induction hardening to increase the mechanical properties.
6.Application of aisi 4130 alloy steel
(1)It is widely used in high-strength forgings, such as traction gear, supercharger drive gear, rear axle, the load of connecting rod, spring clip;
(2)It also manufactured tool joints and finish tools which used for oil wells below 2000m deep.
(3)For making welding parts; board;welding structure;high pressure pipe in the chemical industry.
(4)For making temperature under 450°C‘s fastener in the steam turbine, boiler manufacturing.
(5)For making under the 500°C and the high pressure's flange and nut.
(6)especially used to produce the conduit pipe which is under 400°C and the barometric pressure is 300.

1.Specification of aisi 4130 alloy steel

Round bar

Diameter(mm)

Length (mm)

10~300

2000~5800

Plate

Thickness(mm)

Width (mm)

Length (mm)

20~70

105~610

2000~5800

The specification can be customised!

2.Chemical compositon of aisi 4130 alloy steel

NO.

Aisi 4130

0.38~0.43

0.60~0.80

0.15~0.35

0.70~0.90

0.20~0.30

1.65~2.00

≤0.035

≤0.040

3. Mechanical properties of aisi 4130 alloy steel

Tensile str. (N/mm2)

Yield point (N/mm2)

Elongation (%)

Hardness

980

835

269

4.Heat treatment of aisi 4130 alloy steel

1. Forging:Heat slowly and uniformly to 1000°C. After forging cool slowly.

2. Annealing: 780-800`C slow cooling

5.Characteristic of aisi 4130 alloy steel

(1)Good purity and homogeneity.

(2) Good machinability (Roughing, grinding and drilling).

(3) Good dimensional stability during heat treatment.

(4) Excellent preparation for nitriding, both ionic and gaseous, induction hardening to increase the mechanical properties.

6.Application of aisi 4130 alloy steel

(1)It is widely used in high-strength forgings, such as traction gear, supercharger drive gear, rear axle, the load of connecting rod, spring clip;

(2)It also manufactured tool joints and finish tools which used for oil wells below 2000m deep.

(3)For making welding parts; board;welding structure;high pressure pipe in the chemical industry.

(4)For making temperature under 450°C‘s fastener in the steam turbine, boiler manufacturing.

(5)For making under the 500°C and the high pressure's flange and nut.

(6)especially used to produce the conduit pipe which is under 400°C and the barometric pressure is 300.

Main product

High speed steel
AISI	M2,M4,M35,M42,T1
DIN	1.3343,1.3243,1.3247,1.3355
JIS	SKH51,SKH54,SKH35,SKH59,SKH2
Cold work tool steel
AISI	D2,D5,D3,D6,A8,A2,O1
DIN	1.2379,1.2601,1.2080,1.2436,1.2631,1.2363,1.2510,1.2327
JIS	SKD10,SKD11,SKD1,SKS3
Hot work tool steel
AISI	H13,H11,H21
DIN	1.2344,1.2343,1.2367,1.2581,1.2713
JIS	SKD61,SKD6,SKD7,SKD5SKT4
Plastic mould steel
AISI	P20,P20+Ni,420
DIN	1.2311,1.2738,1.2083,1.2316
JIS	PDS-3,SUS420J1,SUS420J2
Alloy structural seel
AISI	5140,4340,4135,4140
DIN	1.7035,1.6511,1.7220,1.7225
JIS	SCr440,SNCM439,SCM435,SCM440
Stainless steel
AISI	440C,420,430
DIN	1.4125
JIS	SUS440C
Carbon steel
AISI	1045,1020
DIN	1.1191
JIS	S45C, G3101

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Special Steel Aisi 4130 Alloy Steel Material 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:Can special steel be used for electrical applications?: Yes, special steel can be used for electrical applications. Special steel has excellent electrical conductivity and can be used in various electrical components and equipment like power transformers, generators, electrical motors, and electrical transmission systems.

Q:How does special steel contribute to the automotive fuel efficiency?: Special steel contributes to automotive fuel efficiency in several ways. Firstly, special steel is often used in the construction of lighter and stronger components such as the chassis, body panels, and engine parts. This reduces the overall weight of the vehicle, leading to improved fuel economy. Secondly, special steel can be used in the manufacturing of components like exhaust systems, which are designed to reduce emissions and improve fuel efficiency. Additionally, special steel can also be utilized in the production of more efficient engine designs, such as turbochargers, which enhance the power output while minimizing fuel consumption. Overall, the use of special steel in the automotive industry plays a crucial role in enhancing fuel efficiency and reducing environmental impact.

Q:What is the cost difference between regular steel and special steel?: The cost difference between regular steel and special steel can vary depending on several factors. Special steel is typically more expensive than regular steel due to its enhanced properties and specific applications. Regular steel, also known as carbon steel, is widely available and relatively affordable. It is primarily composed of iron and carbon, with trace amounts of other elements. Regular steel is suitable for various general-purpose applications, such as construction, manufacturing, and automotive industries. On the other hand, special steel refers to a wide range of alloyed steels that are specifically engineered to possess certain desirable characteristics, such as increased strength, improved corrosion resistance, heat resistance, or enhanced machinability. These special properties make them ideal for specialized applications in industries like aerospace, defense, oil and gas, and automotive manufacturing. The cost difference between regular steel and special steel can be significant due to the additional processing steps and the use of expensive alloying elements. Special steels require precise control over the composition and manufacturing process to achieve the desired properties. This entails additional costs associated with alloying elements, heat treatment, and specialized equipment. Moreover, the demand and availability of special steel can also impact its cost. Since special steel is produced in smaller quantities and caters to specific industries, it may have a higher price tag compared to regular steel, which is produced in larger volumes. In conclusion, the cost difference between regular steel and special steel can vary based on the specific type of special steel, the desired properties, and the market demand. Special steel tends to be more expensive than regular steel due to its enhanced properties and specialized manufacturing processes required.

Q:What are the different types of alloy steel?: There are several different types of alloy steel, including stainless steel, tool steel, maraging steel, high-strength low-alloy steel (HSLA), and nickel-based alloy steel.

Q:How does special steel contribute to the construction sector?: The construction sector heavily relies on special steel for its ability to enhance the quality, durability, and safety of structures. This type of steel is known for its exceptional strength and toughness, making it an ideal choice for high-rise buildings, bridges, and other infrastructure projects. Its high tensile strength allows for the construction of lighter and more slender structures, reducing material costs and allowing architects to design innovative and visually pleasing buildings. Additionally, special steel boasts high resistance to corrosion, which is particularly crucial in construction projects located in harsh environments such as coastal areas or industrial zones. This resistance ensures that structures built with special steel have a longer lifespan and require less maintenance, resulting in significant cost savings over time. Furthermore, its ability to withstand fire and extreme temperatures makes it indispensable for fire-resistant structures and critical components, guaranteeing the safety of occupants. Furthermore, special steel offers excellent ductility and weldability, allowing it to seamlessly integrate with other construction materials and facilitate efficient assembly processes. Its versatility makes it suitable for various structural elements like beams, columns, and reinforcement bars, providing stability and structural integrity to buildings, as well as improving their seismic performance. Moreover, the use of special steel in construction aligns with sustainability goals. It is a recyclable material that can be reused without compromising its properties, reducing the environmental impact of the construction sector. Additionally, its lighter weight compared to traditional materials minimizes the carbon footprint associated with transportation and installation. In conclusion, special steel significantly contributes to the construction sector by providing strength, durability, fire resistance, corrosion resistance, and versatility. Its use enables the construction of safer, more cost-effective, and environmentally-friendly structures, enhancing the overall quality and sustainability of the built environment.

Q:What are the main factors affecting the heat resistance of special steel?: The main factors affecting the heat resistance of special steel include its composition, microstructure, and processing techniques. The composition of the steel, particularly the presence of alloying elements such as chromium, nickel, and molybdenum, can greatly influence its ability to withstand high temperatures. Additionally, the microstructure of the steel, which is determined by factors like heat treatment and grain size, plays a significant role in its heat resistance. Finally, the processing techniques used during the manufacturing of the steel, such as forging or casting, can also impact its ability to withstand heat.

Q:How does special steel contribute to the food processing aftermarket industry?: The food processing aftermarket industry greatly benefits from the use of special steel, as it offers a multitude of advantages that enhance overall efficiency, safety, and productivity. To begin with, special steel is renowned for its remarkable resistance to corrosion. This is particularly crucial in the food processing industry, where equipment frequently encounters acidic and corrosive substances. By utilizing special steel, machinery remains impervious to rust and contamination. As a result, the hygiene and quality standards of food processing operations are maintained, thereby reducing the risk of foodborne illnesses and contamination. Moreover, special steel exhibits exceptional strength and durability, enabling food processing equipment to withstand the demanding conditions of heavy usage and continuous operations. The robustness of special steel ensures the reliability of equipment, minimizing the likelihood of breakdowns or malfunctions during critical production processes. Consequently, operational efficiency is increased, downtime is reduced, and production output is improved. Furthermore, special steel can be customized to suit specific applications, allowing manufacturers to design and produce equipment that meets the unique requirements of the food processing industry. Special steel alloys can be tailored to possess specific properties, such as heat resistance, wear resistance, or hardness, depending on the specific processing needs. This adaptability guarantees that equipment can handle different types of food products, processing techniques, and operating conditions, resulting in enhanced versatility and adaptability within the food processing aftermarket industry. Additionally, special steel is compatible with various cleaning and sterilization processes, making it ideal for food processing equipment. The material can endure high-temperature cleaning methods, such as steam or chemical cleaning, without deteriorating or compromising its structural integrity. This ease of cleaning and sterilization contributes to maintaining the highest standards of hygiene and sanitation within the food processing industry. In conclusion, special steel's resistance to corrosion, strength, durability, customization options, and compatibility with cleaning processes make it an invaluable material within the food processing aftermarket industry. Its contribution to equipment reliability, hygiene, and productivity ensures that food processing operations can meet the stringent quality and safety standards required in this sector.

Q:Can special steel be used in automotive engine components?: Yes, special steel can be used in automotive engine components. Special steel, also known as alloy steel, is specifically designed to have enhanced properties such as increased strength, toughness, and heat resistance. These properties make it ideal for use in critical engine components that are subjected to high temperatures, stress, and wear. In automotive engines, special steel can be used in various components such as crankshafts, camshafts, connecting rods, valves, and piston rings. These components are subjected to extreme conditions, including high temperatures, pressure, and rotational forces. Special steel provides the required strength and durability to withstand these conditions, ensuring reliable engine performance and longevity. The use of special steel in automotive engine components offers several advantages. Firstly, it increases the strength and load-carrying capacity of the components, allowing them to handle higher power and torque outputs. Secondly, special steel improves the fatigue resistance and durability of the components, reducing the risk of failure and extending their service life. Lastly, special steel can withstand the high temperatures and thermal cycling experienced in the engine, preventing deformation and maintaining dimensional stability. Overall, the use of special steel in automotive engine components is crucial for achieving optimal performance, reliability, and longevity. It ensures that the engine can withstand the demanding conditions it operates under, providing a smoother and more efficient driving experience.

Q:What are the different marine grades of special steel?: There are several different marine grades of special steel that are specifically designed to withstand the harsh conditions of marine environments. These grades are typically categorized based on their corrosion resistance and mechanical properties. One of the most commonly used marine grades of special steel is 316 stainless steel. It contains a higher percentage of molybdenum and nickel, which enhances its resistance to corrosion from saltwater and other harsh chemicals. This grade is often used for marine hardware, such as bolts, nuts, and screws, as well as for marine structures and equipment. Another marine grade of special steel is 2205 duplex stainless steel. This grade has a higher strength and better corrosion resistance compared to 316 stainless steel. It is often used in marine applications that require high strength and durability, such as propeller shafts, offshore structures, and pressure vessels. There is also 5083 aluminum-magnesium alloy, which is commonly used in marine applications where weight is a concern. This grade of special steel offers excellent corrosion resistance and high strength, making it suitable for boat hulls, superstructures, and other lightweight marine components. Additionally, there are various high-strength low-alloy (HSLA) steels that are used in marine applications. These steels are specifically designed to provide superior strength and toughness while also offering good corrosion resistance. They are often used for shipbuilding, offshore drilling rigs, and other marine structures that require high strength and durability. Overall, the different marine grades of special steel provide a range of options for various marine applications. The choice of grade depends on the specific requirements of the project, including the level of corrosion resistance, strength, and weight considerations.

Q:How does the alloying elements affect the properties of special steel?: The alloying elements have a significant impact on the properties of special steel. These elements, such as chromium, nickel, and molybdenum, can enhance corrosion resistance, increase strength and hardness, improve high-temperature performance, and promote the formation of specific microstructures. By carefully selecting and controlling the alloying elements, manufacturers can tailor the properties of special steel to meet specific application requirements, making it suitable for various industries such as automotive, aerospace, and construction.

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