Forged Alloy Steel AISI 4140 Round Bar
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 100000 m.t./month
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Specification
Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
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,CE
Thickness:
as required
Length:
as required
Net Weight:
as required
Product Description of AISI 4140 Round Bar
AISI 4140 round bar are flawless completely free from cracks and flakes, and does not contain any other imperfection,such as porosity non-metallic inclusions segregations, hard spots and residual tensions to a degree affecting their strength and durability.
| Product: | forged alloy steel AISI 4140 round bar |
| Material: | 4145, 42CrMo4, 4140, SAE8620 ,4340 etc. |
| Supplier Range: | OD.200-800mm,Weight≤20T |
| Delivery time: | 30 days after receive the deposit. |
| Produce Process: | EAF + LF + VD +(ESR) + Forged + Heat Treatment (optional) |
| Delivery condition: | Hot forged, Heat-treatment (Normalized / Annealed / Quenched / tempered), Rough machining. |
| Surface Finish: | Black, Peeled, Turned & Polished |
| Payment Term: | 30% advance by T\T; Balance pay before the shipment against shipping documents or irrevocable LC at sight |
| Technical Data: | Chemical Composition, Physical Properties and Mechanical Testing according to the customer's requirement and Standard. |
The steel is suited to applications where high surface pressures exist and friction is to be resisted as in the case of severely loaded gears, axles and pinions. It is used extensively in most industry sectors for applications requiring higher tensile strength.
Packing And Delivery
| Package | Seaworthy package (or as customer require) |
| MOQ | 1 Pieces |
| Delivery | 30 days (can be short if we have stock) |
| Payment | 30%T/T in advanced+70% balanced;irrevocable L/C at sight |
| Remarks | All-risk insurance and accept the third party test |
| Port | Tianjin/Qingdao/Shanghai |
Equipment
We are well-equipped with 2000-Ton Hydraulic press, 15-Ton Hydraulic manipulator, various kinds of Lathe and boring machine, product range OD 200mm-800mm, Length less than 9m.
- Q:What are the advantages of using chromium-vanadium alloy steel round bars?
- There are several advantages of using chromium-vanadium alloy steel round bars: 1. High Strength: Chromium-vanadium alloy steel is known for its exceptional strength and hardness. It has a high tensile strength, making it suitable for applications that require heavy-duty performance and resistance to wear and tear. 2. Durability: The addition of chromium and vanadium elements enhances the durability of the alloy steel round bars. It provides excellent resistance to corrosion, oxidation, and high temperatures, making it ideal for use in harsh environments. 3. Versatility: Chromium-vanadium alloy steel round bars offer versatility in various applications. They can be used for manufacturing tools, springs, gears, and other components that require high strength and durability. The versatility of this alloy steel makes it a preferred choice in industries such as automotive, aerospace, and construction. 4. Machinability: Chromium-vanadium alloy steel is relatively easy to machine and work with, making it convenient for manufacturers. It can be easily shaped, cut, and formed into desired shapes and sizes without compromising its mechanical properties. 5. Cost-Effective: Despite its excellent properties, chromium-vanadium alloy steel round bars tend to be more cost-effective compared to other high-performance alloys. This makes it a popular choice for industries that require strong and durable materials without exceeding their budget. 6. Fatigue Resistance: Chromium-vanadium alloy steel exhibits exceptional fatigue resistance, making it suitable for applications that involve repetitive stress or cyclic loading. It can withstand repeated use and maintain its structural integrity over an extended period. Overall, chromium-vanadium alloy steel round bars offer a combination of high strength, durability, versatility, and cost-effectiveness. These advantages make it a preferred material choice for various industrial applications where reliability and performance are crucial.
- Q:What are the different surface treatments available for stainless steel round bars?
- There are various surface treatments available for stainless steel round bars, including pickling, passivation, polishing, and coating.
- Q:Can steel round bars be used for valve stem applications?
- Yes, steel round bars can be used for valve stem applications. Steel round bars are often used in various industrial applications, including valve stems, due to their strength, durability, and resistance to corrosion.
- Q:What are the advantages of using non-alloy steel round bars?
- Non-alloy steel round bars offer numerous benefits. Firstly, they possess exceptional strength and durability, surpassing their alloy steel counterparts. As a result, they are well-suited for applications that require robustness. Industries such as construction, automotive, and manufacturing find them particularly advantageous. In addition, non-alloy steel round bars exhibit outstanding weldability and machinability. They can be effortlessly welded and shaped into various forms, allowing for flexibility in design and fabrication. This, in turn, streamlines the manufacturing process and saves valuable time and effort. Furthermore, non-alloy steel round bars possess commendable corrosion resistance. They are less susceptible to rust and deterioration, making them perfect for environments where exposure to moisture or corrosive substances is a concern. The longevity and reliability of these bars are thus ensured, resulting in reduced maintenance and replacement costs over time. Moreover, non-alloy steel round bars prove to be cost-effective when compared to their alloy steel counterparts. They are more affordable and readily available, making them a prudent choice for a wide range of applications. This affordability renders non-alloy steel round bars particularly popular for small-scale projects and businesses operating on a limited budget. In conclusion, the advantages of utilizing non-alloy steel round bars encompass high strength, exceptional weldability and machinability, commendable corrosion resistance, and cost-effectiveness. These characteristics make them a versatile and dependable option for various industries and applications.
- Q:How do steel round bars perform in low-temperature environments?
- Low-temperature environments are typically suitable for steel round bars, as they tend to perform well in such conditions. The mechanical properties of steel, including strength and toughness, are usually maintained even at low temperatures. However, it is crucial to consider the grade of steel being used, as certain grades may exhibit reduced impact resistance or brittleness when subjected to extremely low temperatures. One common concern is the possibility of brittle fracture occurring in steel round bars under low-temperature circumstances. This can happen when the steel undergoes a transition from a ductile to a brittle state. Nevertheless, most standard steel grades employed in construction and industry are designed to resist brittle fracture even in low-temperature environments. Certain special alloy steels, such as low-temperature carbon steels, are specifically formulated to exhibit superior performance in extremely cold conditions. These steels contain additional elements, such as nickel or manganese, which enhance their low-temperature properties. They are frequently utilized in applications that require exceptional toughness and impact resistance, such as offshore structures or cryogenic storage tanks. In conclusion, steel round bars generally exhibit good performance in low-temperature environments while maintaining their mechanical properties. However, it is essential to carefully select the appropriate steel grade for the specific low-temperature application in order to ensure optimal performance and prevent potential issues like brittle fracture.
- Q:How are steel round bars measured?
- Steel round bars are measured by their diameter, which is typically specified in millimeters or inches. The measurement is taken by using a caliper or a micrometer at various points along the bar, ensuring accuracy and consistency.
- Q:What are the different tolerances for steel round bars?
- There are various tolerances for steel round bars, depending on the specific requirements and standards set by different industries and applications. These tolerances ensure that the dimensions and surface conditions of the steel round bars meet the desired specifications. The most common tolerance for steel round bars is the diameter tolerance. This refers to the allowable deviation from the specified diameter. For example, a steel round bar with a diameter tolerance of +/- 0.005 inches means that the actual diameter of the bar can vary within this range. Another important tolerance for steel round bars is the straightness tolerance. This refers to the allowable deviation from a straight line over a specified length of the bar. Straightness tolerances are usually given in terms of the maximum deviation in relation to the length, such as 0.010 inches per foot. Surface finish tolerance is also crucial for steel round bars. It refers to the acceptable variation in the surface texture or roughness of the bar. This tolerance is often specified using parameters such as Ra (average roughness) or Rz (maximum roughness depth). For example, a surface finish tolerance of Ra 0.8 micrometers means that the average roughness of the bar's surface should not exceed this value. In addition to these common tolerances, there may be other specific tolerances based on the intended application of the steel round bars. These can include tolerances for straightness, length, weight, or other dimensional properties. It is important to note that the tolerances for steel round bars can vary depending on the standards followed by different industries and countries. It is always recommended to refer to the relevant standards or specifications to determine the specific tolerances required for a particular application.
- Q:Can steel round bars be used in the manufacturing of pressure vessels?
- Yes, steel round bars can be used in the manufacturing of pressure vessels. Steel round bars are often used as the raw material for constructing pressure vessels due to their high strength and durability. The round shape of the bars allows for uniform distribution of stress and pressure, making them suitable for withstanding the internal pressure exerted by the vessel's contents. Additionally, steel round bars can be easily fabricated, welded, and machined to meet the specific requirements of pressure vessel construction. However, it is important to ensure that the steel used for the round bars meets the necessary specifications and standards for pressure vessel manufacturing, such as those set by international codes like ASME or EN. Regular inspections, quality control measures, and adherence to relevant safety guidelines should also be followed during the manufacturing process to ensure the integrity and safety of the pressure vessel.
- Q:Can steel round bars be used in the production of shafts?
- Shafts can indeed be produced using steel round bars. The manufacturing process of shafts often involves utilizing steel round bars as a raw material due to their remarkable attributes of strength, durability, and versatility. These bars can be machined or forged into the precise shape and size required for the shaft. With their inherent properties, they are well-suited for a wide range of applications, including the automotive, machinery, and construction industries. Steel round bars boast exceptional mechanical properties such as high tensile strength, impressive impact resistance, and resistance to corrosion. Consequently, they are an ideal choice for shafts that necessitate both a high load-bearing capacity and reliability. Additionally, steel round bars can undergo heat treatment to further enhance their strength and hardness, thereby ensuring optimal performance and longevity of the shafts under diverse operating conditions.
- Q:The difference between round face and round bar steel on concrete
- The difference between round bar and round bar is that the surface has longitudinal ribs and transverse ribs, usually with two longitudinal ribs and transverse ribs uniformly distributed along the length direction. The rebar is a kind of small section steel, mainly used for the skeleton of reinforced concrete construction members. In use, some mechanical strength, bending deformation property and welding performance are required. The raw steel billet for the production of threaded steel is carbon structural steel or low alloy structural steel which is treated by calm melting, and the finished steel bar is delivered in hot rolling forming, normalizing or hot rolling state.
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Forged Alloy Steel AISI 4140 Round Bar
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 100000 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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