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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Specification
Type:
Alloy Steel
Shape:
Steel Round Bar
Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Surface Treatment:
Coated,Galvanized,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Net Weight:
as required
Length:
as required
Thickness:
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
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. | |||||||||||||
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 |
Product show
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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 does special steel perform in high-stress environments?
- Special steel is specifically designed to perform exceptionally well in high-stress environments. Its unique composition and manufacturing process make it highly resistant to various forms of stress, such as mechanical, thermal, and chemical stress. One of the key properties of special steel is its high tensile strength, which allows it to withstand immense pressure without deformation or failure. This strength is achieved through the addition of alloying elements, such as chromium, nickel, and molybdenum, which enhance its structural integrity and toughness. The presence of these elements also increases the steel's resistance to corrosion and oxidation, making it more durable and reliable in harsh environments. Moreover, special steel exhibits excellent fatigue resistance, enabling it to withstand repetitive and cyclic loading without developing cracks or fractures. This property is crucial in high-stress environments where components are subjected to constant vibrations or cyclic loading, such as in aerospace, automotive, and industrial applications. In addition to its mechanical properties, special steel is also highly resistant to extreme temperatures. It can maintain its strength and integrity even at elevated temperatures, making it suitable for applications in high-temperature environments such as power plants, furnaces, and chemical processing industries. Furthermore, special steel has excellent wear resistance, which enables it to withstand abrasive conditions, such as those encountered in mining, construction, or manufacturing processes. This reduces the need for frequent maintenance or replacement, resulting in cost savings and increased productivity. Overall, special steel's exceptional performance in high-stress environments can be attributed to its unique combination of strength, durability, corrosion resistance, fatigue resistance, temperature resistance, and wear resistance. Its ability to withstand extreme conditions makes it an ideal choice for critical applications where reliability and safety are paramount.
- Q: What are the different types of maraging steel?
- Maraging steel is generally classified into three main types: 18% nickel maraging steel, 18% cobalt maraging steel, and 25% nickel maraging steel. These types differ in their composition and properties, making them suitable for various applications.
- Q: What are the different electrical grades of special steel?
- There exist various specialized types of steel that possess exceptional electrical properties. These types include: 1. Silicon Electrical Steel: This particular grade of steel contains a significant silicon content, typically ranging from 3% to 4%. The inclusion of silicon aids in minimizing eddy current losses and enhancing the steel's magnetic properties. Consequently, it becomes an ideal choice for utilization in electrical motors and transformers. 2. Stainless Electrical Steel: This specialized steel grade is crafted from stainless steel alloys, renowned for their remarkable resistance to corrosion. Additionally, stainless electrical steel exhibits low electrical resistivity and high thermal conductivity, making it well-suited for electrical connectors, terminals, and other components that necessitate excellent electrical conductivity and resistance to oxidation. 3. Tool Steel for Electrical Purposes: Tool steels are commonly employed in the production of various tools and dies. Certain tool steels are specifically engineered to possess enhanced electrical properties, including heightened electrical conductivity and resistance to heat. These grades are frequently utilized in the fabrication of electrical contacts, switches, and other electrical components that require exceptional resistance to wear and superior electrical performance. 4. Copper-Clad Steel for Electrical Applications: This specialized steel grade is created by bonding a layer of copper to a steel core. The copper layer offers outstanding electrical conductivity, while the steel core provides durability and strength. Electrical copper-clad steel is commonly employed in applications where high electrical conductivity is imperative, such as power transmission lines and grounding systems. In conclusion, the diverse electrical grades of specialized steel offer a variety of electrical properties to meet the specific requirements of various electrical applications. These grades are meticulously engineered to deliver optimal electrical performance, durability, and resistance to corrosion and wear.
- Q: Can special steel be used in the oil and gas equipment manufacturing industry?
- Yes, special steel can be used in the oil and gas equipment manufacturing industry. Special steels, such as stainless steel and alloy steel, are commonly utilized in this industry due to their superior corrosion resistance, high strength, and ability to withstand harsh operating conditions. These steels ensure the reliability and durability of oil and gas equipment, making them suitable for applications such as pipelines, valves, and drilling equipment.
- Q: What are the different types of corrosion that special steel can encounter?
- Special steel has the potential to encounter a variety of corrosion types, including: 1. Uniform corrosion: This is the prevailing form of corrosion, where the steel's entire surface corrodes uniformly. It typically occurs when the steel is exposed to aggressive environments, such as corrosive chemicals or high levels of humidity. 2. Pitting corrosion: Pitting corrosion manifests as localized corrosion attack in the form of small pits or cavities on the steel's surface. It can arise from chloride ions or other aggressive substances and can be particularly damaging as it can lead to crack formation. 3. Crevice corrosion: Crevice corrosion arises within narrow gaps or crevices between steel surfaces, such as junctions, gaskets, or beneath deposits. It is caused by limited oxygen access and the accumulation of corrosive agents, resulting in localized corrosion and potential damage. 4. Galvanic corrosion: Galvanic corrosion arises when two dissimilar metals come into contact within an electrolyte. In special steel, this can occur when it comes into contact with another metal in a corrosive environment, resulting in accelerated corrosion of the less noble metal. 5. Stress corrosion cracking: This type of corrosion ensues due to the combined effects of tensile stress and a corrosive environment. It can cause the steel to crack and fail, even under relatively low stress levels. Special steel is often prone to stress corrosion cracking in specific environments, such as high chloride or acidic solutions. 6. Intergranular corrosion: Intergranular corrosion manifests along the grain boundaries of steel, typically due to the segregation of impurities during the steel's manufacturing process. It can weaken the material and lead to premature failure. To prevent or reduce the occurrence of these corrosion types, special steel can undergo treatment with various corrosion-resistant coatings, such as paints, metallic coatings, or alloys with high corrosion resistance. Moreover, proper material selection, design considerations, and regular maintenance can also aid in minimizing the risk of corrosion in special steel applications.
- Q: How does special steel perform in terms of fatigue strength?
- Special steel generally performs well in terms of fatigue strength. It is specifically designed to withstand repeated loading and unloading without experiencing fatigue failure. Its unique composition and heat treatment processes make it highly resistant to crack initiation and propagation, resulting in an extended fatigue life compared to regular steel. Additionally, special steels often exhibit improved resistance to other forms of degradation, such as corrosion, which further enhances their overall fatigue performance.
- Q: How does special steel perform in aerospace applications?
- Due to its exceptional performance and unique properties, special steel finds extensive use in aerospace applications. A primary reason for its usage lies in its high strength-to-weight ratio, a crucial factor in the aerospace industry where weight reduction is of utmost importance. Special steel alloys exhibit superior strength, enabling them to withstand the extreme conditions experienced during flight, including high temperatures, vibrations, and pressure changes. Moreover, special steel possesses excellent corrosion resistance, making it an ideal choice for aerospace applications where exposure to moisture and various chemicals is common. Its corrosion resistance ensures the durability and longevity of critical components, resulting in reduced maintenance and replacement costs. Furthermore, special steel offers excellent fatigue resistance, allowing it to endure repeated loading and unloading cycles without deformation or failure. This property is vital in aerospace applications where components must withstand cyclic stresses and maintain their integrity for extended periods. Additionally, special steel alloys can be readily fabricated and machined, facilitating the production of intricate and precise aerospace components. The ease of fabrication ensures efficient manufacturing processes and the ability to create complex designs, which are essential for optimizing performance and aerodynamics. In conclusion, special steel's exceptional strength, corrosion resistance, fatigue resistance, and ease of fabrication make it an invaluable material in aerospace applications. Its utilization in critical components, such as turbine blades, landing gears, and structural elements, guarantees the safety, reliability, and efficiency of aerospace systems.
- Q: What are the cost considerations when using special steel?
- When using special steel, there are several cost considerations that need to be taken into account. Firstly, the cost of the raw materials used to produce special steel can be significantly higher compared to regular steel. Special steel is often made from alloying elements such as chromium, nickel, or molybdenum, which can be more expensive than the iron and carbon used in regular steel production. These alloying elements improve the properties of the steel, making it stronger, more corrosion-resistant, or better suited for specific applications. Additionally, the production process for special steel may involve additional steps or specialized equipment, leading to increased manufacturing costs. This can include steps such as vacuum degassing, controlled cooling, or precision forging, all of which contribute to the quality and performance of the final product but can also add to the overall cost. Furthermore, because special steel is often tailored to meet specific requirements or industry standards, there may be additional testing and certification costs involved. These can include non-destructive testing, material analysis, or third-party inspections to ensure that the steel meets the required specifications. These additional quality control measures can add to the overall cost of using special steel. Finally, the demand and availability of special steel can also impact its cost. If the demand for certain types of special steel is high or the supply is limited, prices may be driven up. This can be particularly relevant for industries that require specialized steel grades, such as aerospace, automotive, or oil and gas. In summary, the cost considerations when using special steel include the higher cost of raw materials, the additional manufacturing steps, the testing and certification requirements, and the overall supply and demand dynamics of the market. However, it is important to note that the benefits and advantages of using special steel, such as improved performance, durability, or specific properties, can often outweigh the higher costs, making it a worthwhile investment for many industries.
- Q: How does special steel perform in terms of magnetic properties?
- Special steel typically has low magnetic permeability, meaning it has poor magnetic properties. This is due to the presence of alloying elements such as chromium and nickel, which help in reducing the material's magnetic susceptibility. However, there are certain types of special steels, such as ferritic stainless steels, that have higher magnetic permeability. Overall, the magnetic properties of special steel can vary depending on its composition and intended application.
- Q: How is special steel used in the production of cutting inserts?
- Special steel is used in the production of cutting inserts due to its unique properties that make it ideal for this application. Cutting inserts are used in machining operations to remove material from a workpiece and shape it into the desired form. These inserts need to be able to withstand high temperatures, resist wear and abrasion, and maintain their sharp cutting edges for prolonged periods. Special steel, also known as tool steel, is specifically designed to meet these requirements. It is an alloy that contains various elements such as chromium, tungsten, vanadium, and molybdenum, which enhance its mechanical properties. Special steel has excellent hardness, toughness, and high-temperature resistance, making it suitable for cutting inserts. The special steel used in the production of cutting inserts undergoes a series of processes, including heat treatment, to further enhance its properties. Heat treatment involves heating the steel to a specific temperature and then rapidly cooling it, which adds strength and hardness to the material. This process helps to ensure that the cutting inserts can withstand the extreme forces and temperatures encountered during machining operations. Additionally, special steel can be coated with various materials, such as titanium nitride or diamond-like carbon, to further improve its performance. These coatings enhance the hardness, reduce friction, and improve the overall wear resistance of the cutting inserts, increasing their lifespan and efficiency. In summary, special steel is used in the production of cutting inserts due to its exceptional hardness, toughness, high-temperature resistance, and wear resistance. These properties allow the cutting inserts to withstand the demanding conditions of machining operations and maintain their sharp cutting edges for prolonged periods, resulting in efficient and precise material removal.
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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
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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