Carbon Alloy Steel Round Bars AISI 4140
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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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Carbon Alloy Steel Round Bars AISI 4140
Technical Paramenters
Chemical Composition | Mechanical Properties (In Quenched & Tempered State) | ||
C | 0.38-0.43 % | Tensile strength(MPA) | ≥1080(110) |
Si | 0.15-0.35% | Yield strength (MPA) | ≥930(95) |
Mn | 0.75-1.00 % | Elongation (δ5/%) | ≥12 |
Cr | 0.80-1.10 % | Reduction in Area (ψ/%) | ≥45 |
Ni | ≤0.030 % | Impact (J) | ≥ 63 |
P | ≤0.030 % | Impact toughness value αkv (J/cm2) | ≥78(8) |
S | ≤0.040 % | Hardness | ≤217HB |
Cu | ≤0.030 % | ||
Mo | 0.15-0.25 % | ||
Products Show
Standard Grades
Werkstoff-NO. | DIN-EN | DIN-Abbreviation | SAE/AISI |
1.1545 | 10096 | C 105 W1 | W110 |
1.1730 | 10096 | C 45 W | -- |
1.2063 | 10096 | 145Cr6 | - |
1.2067 | 10096 | 100Cr6 | L1/L3 |
1.2080 | 10096 | X210Cr12 | D3 |
1.2101 | 10096 | 62SiMnCr4 | - |
1.2210 | 10096 | 115CrV3 | L2 |
1.2363 | 10096 | X100CrMoV5 1 | A2 |
1.2379 | 10096 | X155CrVMo12 | D2 |
1.2419 | 10096 | 105WCr6 | - |
1.2436 | 10096 | X210CrW12 | D6 |
1.2510 | 10096 | 100MnCrW4 | O1 |
1.2542 | 10096 | 45 WCrV7 | S1 |
1.2550 | 10096 | 60WCrV7 | S1 |
1.2601 | 10096 | X165CrMoV 12 | - |
1.2721 | 10096 | 50 NiCr13 | - |
1.2826 | 10096 | 60MnSiCr4 | - |
1.2842 | 10096 | 90MnCrV8 | O2 |
Chemical Elements: | |||||||||||
Grade | C | Si | Mn | P≤ | S≤ | Cr | Mo | V | W | OTHER | |
1.2344/SKD61/H13 | 0.35-0.42 | 0.80-1.20 | 0.25-0.50 | 0.03 | 0.02 | 4.80-5.50 | 1.00-1.50 | 0.80-1.15 | Cu≤0.25 Ni≤0.25 | ||
4Cr5MoSiV1 | 0.32-0.42 | 0.80-1.20 | 0.20-0.50 | 0.030 | 0.030 | 4.75-5.50 | 1.10-1.75 | 0.80-1.20 | |||
1.2379/D2/SKD11 | 1.50-1.60 | 0.10-0.40 | 0.15-0.45 | 0.030 | 0.030 | 11.0-12.0 | 0.60-0.80 | 0.90-1.10 | |||
1.2510/O1/SKS3 | 0.85-1.0 | 0.10-0.50 | 1.0-1.40 | 0.030 | 0.030 | 4.75-5.50 | ≤0.30 | 0.4-0.6 | |||
1.2363/A2/SKD12 | 0.95-1.05 | 0.10-0.50 | 0.40-1.00 | 0.030 | 0.030 | 4.75-5.50 | 0.90-1040 | 0.15-0.50 | |||
4140 | 0.38-0.43 | 0.15-0.35 | 0.75-1.00 | 0.035 | 0.040 | 0.80-1.10 | 0.15-0.25 | ||||
4340 | 0.38-0.43 | 0.15-0.35 | 0.60-0.80 | 0.035 | 0.040 | 0.70-0.90 | 0.20-0.30 | Ni 1.65-2.00 | |||
P20/1.2330/M202 | 0.28-0.40 | 0.20-0.80 | 0.60-1.00 | 0.030 | 0.030 | 1.40-2.00 | 0.30-0.55 | ||||
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Company Information
CNBM International Corporation is the most important trading platform of CNBM group.
Whith its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high qulity series of refractories as well as technical consultancies and logistics solutions.
FAQ
1, Your advantages?
professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale
2, Test & Certificate?
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem
3, Factory or Trading Company?
CNBM is a trading company but we have so many protocol factories and CNBM works as a trading department of these factories. Also CNBM is the holding company of many factories.
4, Payment Terms?
30% TT as deposit and 70% before delivery.
Irrevocable L/C at sight.
5, Trading Terms?
EXW, FOB, CIF, FFR, CNF
6, After-sale Service?
CNBM provides the services and support you need for every step of our cooperation. We're the business partner you can trust.
For any problem, please kindly contact us at any your convenient time.
We'll reply you in our first priority within 24 hours.
Packaging & Delivery
1, Packaging: seaworthy package or as required
2, Delivery: 35-45 days or based on quantity
- Q:What is the tensile strength of round steel bars of diameter 28?
- The maximum tensile strength of material resistance uniform plastic deformation, tensile specimens before under maximum tensile stress, the deformation is uniform, but beyond the metal after the necking phenomenon began to appear, which produce concentrated deformation; for no (or very small) brittle materials with uniform plastic deformation, it reflects the fault the resistance of the material. The symbol is Rm (GB/T 228-1987, the old GB standard, the tensile strength symbol is b), the unit is MPa.
- Q:Can steel round bars be used in the manufacturing of couplings?
- The manufacturing of couplings can indeed make use of steel round bars. Steel round bars find widespread usage in a variety of industrial applications owing to their strength, durability, and versatility. When it comes to couplings, these are mechanical devices employed for connecting two shafts, either for power transmission or to accommodate the misalignment of the shafts. There exist diverse types of couplings, such as rigid couplings, flexible couplings, or universal couplings, each of which can be fabricated by machining, forming, or welding steel round bars. By utilizing steel round bars in the production process, the resulting couplings possess exceptional tensile strength, enabling them to endure heavy loads and torque. Moreover, steel round bars can be subjected to heat treatment, thereby augmenting their mechanical properties and rendering them suitable for an array of operating conditions and environments. Consequently, steel round bars hold considerable popularity as a preferred choice for the manufacturing of couplings.
- Q:What are the different types of steel round bar alloys for improved hardness and strength?
- Improved hardness and strength are characteristics associated with various types of steel round bar alloys. Some commonly used alloys renowned for these qualities include: 1. Carbon Steel: Exceptional strength and hardness make carbon steel a popular choice. Its higher carbon content enhances durability and resistance to wear and tear. 2. Alloy Steel: Combining carbon steel with elements like manganese, nickel, chromium, or vanadium results in alloy steel. These additions enhance hardness and strength, making it suitable for applications requiring high tensile strength and toughness. 3. Stainless Steel: With a minimum chromium content of 10.5%, stainless steel is a corrosion-resistant alloy. Chromium's addition improves hardness and strength, making it ideal for applications demanding resistance to corrosion, heat, and wear. 4. Tool Steel: Tool steel is tailor-made for manufacturing various tools. It boasts high hardness, wear resistance, and strength. Elements like tungsten, molybdenum, or vanadium are often added to enhance its performance. 5. High-Speed Steel: Developed specifically for high-speed cutting tools like drills and milling cutters, high-speed steel excels in hardness and retains its cutting edge even at high temperatures. 6. Maraging Steel: Maraging steel, a low-carbon, high-nickel alloy, stands out for its exceptional strength, toughness, and resistance to fatigue. It finds applications in industries like aerospace and defense that demand high strength and durability. These examples merely scratch the surface of the steel round bar alloys known for improved hardness and strength. The choice of alloy depends on the intended application and desired properties for the final product.
- Q:Are steel round bars available in custom sizes?
- Yes, steel round bars are available in custom sizes.
- Q:What are the different types of steel round bar coatings used in the marine industry?
- In the marine industry, various coatings are commonly used to protect steel round bars from corrosion and other environmental factors. These coatings have been specifically designed to withstand the harsh conditions found in marine environments. The most frequently utilized types of coatings in this industry include the following: 1. Galvanized Coating: A layer of zinc is applied to galvanized steel round bars, offering excellent corrosion protection and durability. This coating is ideal for marine applications where the steel is exposed to corrosive elements such as saltwater. 2. Epoxy Coating: Due to their exceptional resistance to corrosion and strong adhesion properties, epoxy coatings are widely employed in the marine industry. Multiple layers of epoxy are typically applied to ensure optimal protection against saltwater, chemicals, and abrasion. 3. Polyurethane Coating: Polyurethane coatings are highly regarded for their exceptional resistance to UV rays, chemicals, and abrasion. These coatings provide a high level of corrosion protection in marine environments, making them ideal for offshore structures and marine equipment that require long-term durability. 4. Organic Coatings: Acrylics and vinyls are commonly used in the marine industry as organic coatings, offering a protective barrier against corrosion and environmental factors. These coatings are known for their flexibility, ease of application, and resistance to UV radiation. They are often utilized in marine applications where aesthetics and color retention are important. 5. Ceramic Coating: Ceramic coatings are particularly resistant to high temperatures, chemicals, and abrasion. They form a hard, protective layer on steel round bars, making them suitable for marine applications that involve extreme heat and harsh environments. When selecting the appropriate steel round bar coating for a marine project, it is essential to consider the specific requirements of the application. Factors such as the type of exposure, expected service life, and budget should be taken into account to determine the most suitable coating.
- Q:How do steel round bars compare to other materials like aluminum or stainless steel?
- Steel round bars have several advantages over other materials like aluminum or stainless steel. Firstly, steel is known for its exceptional strength and durability, making it a preferred choice for applications that require high tensile strength. Compared to aluminum, steel round bars are generally stronger and have a higher resistance to impact and wear. Additionally, steel is more cost-effective than stainless steel, making it a popular choice for various industrial and construction purposes. However, it's important to note that stainless steel offers superior corrosion resistance, making it more suitable for applications where exposure to moisture or chemicals is a concern. Ultimately, the choice between steel round bars, aluminum, or stainless steel depends on the specific requirements of the project.
- Q:Can steel round bars be machined or forged?
- Yes, steel round bars can be machined or forged. Machining involves using cutting tools to remove material from the round bar to achieve the desired shape or dimension. It can be done through various methods such as turning, milling, drilling, or grinding. Machining is commonly used to create precise components or parts. On the other hand, forging is a process where the steel round bar is heated and shaped by applying compressive forces. This is typically done using a hammer or a press to deform the material and create the desired shape. Forging helps enhance the mechanical properties of the steel, such as strength and toughness, by aligning the grain structure and removing any internal defects. Both machining and forging methods can be used to shape and manipulate steel round bars to meet specific requirements for various applications in industries such as automotive, construction, energy, and manufacturing. The choice between machining or forging depends on factors like the complexity of the part, required tolerances, material properties, and the desired final product.
- Q:What's the difference between bar and round bar?
- If it is used for machining parts, it can be used in general. However, there are six bar material, and in general circumstances are not fixed feet, and round steel is generally sold according to the length of fixed length
- Q:What are the different types of steel round bars used in the agricultural sector?
- Different types of steel round bars are commonly utilized in the agricultural sector due to their strength, durability, and versatility, playing a crucial role in various agricultural applications. 1. Mild Steel Round Bars: Widely used in agriculture, mild steel provides excellent strength at a relatively low cost. These round bars are commonly employed in constructing agricultural equipment like plows, cultivators, and harrows. 2. Carbon Steel Round Bars: Known for their high strength and toughness, carbon steel round bars can withstand heavy loads, making them ideal for applications requiring superior durability. They are commonly used in manufacturing tractor parts, tillage tools, and other heavy-duty agricultural machinery. 3. Alloy Steel Round Bars: Alloy steel round bars are produced by incorporating alloying elements such as chromium, nickel, or molybdenum into steel. These elements enhance the steel's strength, hardness, and corrosion resistance. In agriculture, alloy steel round bars are frequently used in manufacturing high-performance components like gears, axles, and shafts. 4. Stainless Steel Round Bars: Stainless steel round bars exhibit high resistance to corrosion and possess excellent mechanical properties. They are commonly utilized in agricultural applications that demand resistance to moisture, chemicals, and harsh environments. Stainless steel round bars find extensive use in manufacturing dairy equipment, storage tanks, and irrigation systems. 5. Tool Steel Round Bars: Specifically designed to withstand high temperatures, abrasion, and impact, tool steel round bars are employed in agricultural tasks involving cutting, shaping, or drilling. They are commonly utilized in the production of blades, cutting tools, and machinery parts for crop harvesting and processing. Choosing the appropriate type of steel round bar is crucial, considering the specific requirements and conditions of each agricultural application. By selecting the right steel round bar, farmers and agricultural professionals can ensure the reliability and longevity of their equipment and machinery.
- Q:What are the different grades of stainless steel round bars for marine applications?
- The different grades of stainless steel round bars for marine applications include 316, 316L, and 304.
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Carbon Alloy Steel Round Bars AISI 4140
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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