42CrMo4 qt Q+T 42CrMo4 for Drill Pipe
- Ref Price:
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- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 50000 m.t./month
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Specification
42CrMo4 qt Q+T 42CrMo4 for Drill Pipe
Product Description of 42CrMo4 qt Q+T 42CrMo4 for Drill Pipe
1. Steel grade: ASTM4140, SCM440, 42CrMo, DIN1.7225
2. Length: 6M-12M
3. Diameter: 16mm-300mm
4. Product range: round bar, flat bar, square bar
5. Technique: Hot rolled, forged, cold drawn
Specification of 42CrMo4 qt Q+T 42CrMo4 for Drill Pipe
Material | 42CrMo4 | Round bar | Dia(mm) | 16-300mm |
Process | EAF + LF + VD + Forged + Heat Treatment (optional) | Length (mm) | Max 12m | |
Heat treatment | Normalized / Annealed / Quenched / tempered | Flat bar | Thickness(mm) | 8-500mm |
Delivery condition | Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) | Width(mm) | 70-200mm | |
Test | Ultrasonic test according to SEP 1921-84 D/d | Length (mm) | Max 12m |
Chemical Composition of 42CrMo4 qt Q+T 42CrMo4 for Drill Pipe
C | Si | Mn | Cr | Mo | P | S |
0.38~0.43 | 0.15~0.35 | 0.75~1.00 | 0.8~1.1 | 0.15~0.25 | ≤0.035 | <0.04< td=""> |
Photo Show of 42CrMo4 qt Q+T 42CrMo4 for Drill Pipe
Packing and Delivery:
Packing in bundle package, or as customer's requirements.
Delivery Detail: 45 days after receiving the deposit.
Usage and Applications of 42CrMo4 qt Q+T 42CrMo4 for Drill Pipe
1. Steel round bar is used in a large number of architectural and engineering structures. Or it can be used in construction of plants for the production of steel house frames, high-voltage transmission towers, bridges, vehicles, boilers, containers, ships, etc.
2. And we can use this kind of product on the performance of the mechanical parts if the demand is not very high.
3. Some special material steel round bar can be used for main shaft of steamer, hummer shank, with big section and supper force.
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.
F A Q
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.
- Q: Can steel round bars be used in the automotive manufacturing?
- Yes, steel round bars can be used in automotive manufacturing. Steel round bars offer high strength and durability, making them suitable for various automotive components such as crankshafts, camshafts, axles, and suspension parts. They also provide excellent machinability and can be easily fabricated into the required shapes and sizes, making them a preferred choice in the automotive industry.
- Q: Can steel round bars be bent or shaped?
- Certainly! Steel round bars have the capability to undergo bending and shaping. Steel, being a highly malleable material, can be formed into desired shapes through different processes. Techniques such as hot bending, cold bending, or induction bending can be employed to bend the steel. By applying force to the steel bar, it can be deformed and molded into the desired shape. Moreover, machining processes like turning, drilling, milling, or grinding can also be utilized to shape steel round bars. These processes enable the creation of various profiles, including cylindrical, square, or hexagonal shapes, among others. In summary, steel round bars provide great flexibility for bending and shaping, allowing for their versatile use in a wide range of applications.
- Q: What is the difference between a seamless and a precision ground steel round bar?
- A seamless steel round bar is made from a solid cylindrical steel billet that is heated and pierced to create a hollow tube-like structure. This process ensures a consistent outer diameter throughout the length of the bar, making it suitable for applications that require a smooth surface finish and high dimensional accuracy. Seamless round bars are commonly used in industries such as oil and gas, automotive, and aerospace. On the other hand, a precision ground steel round bar is manufactured by taking a hot-rolled or cold-drawn steel bar and subjecting it to precision grinding processes. This involves removing any surface imperfections, achieving tight dimensional tolerances, and providing a smooth and polished finish. Precision ground round bars are typically used in applications that require tight tolerances, excellent surface finish, and dimensional consistency, such as in the manufacturing of machinery parts, tools, and components. In summary, the main difference between a seamless and a precision ground steel round bar lies in the production process and the resulting properties. Seamless round bars are made from a hollow tube-like structure, ensuring a consistent outer diameter, while precision ground round bars are produced by grinding a solid steel bar to achieve tight tolerances and superior surface finish. Both types of round bars have their own advantages and are used in various industries depending on the specific application requirements.
- Q: Can steel round bars be used in automotive applications?
- Indeed, automotive applications do make use of steel round bars. The strength, durability, and versatility of steel round bars make them a popular choice for various automotive components and systems. These bars find their way into the manufacturing of engine parts, suspension components, drive shafts, axles, and other structural parts of vehicles. Their mechanical properties, including high tensile strength and resistance to impact and fatigue, make them well-suited for enduring the demanding conditions encountered in automotive applications. Moreover, steel round bars can be machined, welded, and formed into the desired shape with ease, enabling efficient manufacturing processes in the automotive industry.
- 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 for making drill bits?
- Steel round bars cannot be utilized in the production of drill bits. Drill bits necessitate distinct materials and manufacturing techniques to guarantee their endurance and efficacy. Typically, drill bits are crafted from high-speed steel (HSS), cobalt steel, or carbide. These materials are selected for their hardness, heat resistance, and ability to endure the substantial forces and temperatures generated while drilling. Conversely, steel round bars are not purposely designed or manufactured to meet the requirements of drill bits. Implementing steel round bars in the production of drill bits would result in substandard performance, heightened abrasion, and potential fracture during drilling activities. It is imperative to employ drill bits that are specifically designed and manufactured for this purpose to ensure efficient and secure drilling operations.
- Q: What are the different types of steel round bar surface finishes for corrosion resistance?
- Corrosion resistance in steel round bars can be achieved through various surface finishes. These finishes effectively shield the bar from corrosive elements, reducing the risk of rust or degradation over time. Hot-dip galvanizing is a popular choice for corrosion resistance. It entails immersing the steel round bar in molten zinc, which creates a protective zinc coating. This sacrificial anode corrodes before the steel, providing long-lasting protection against rust and corrosion. Stainless steel is another common surface finish for corrosion resistance. With a minimum chromium content of 10.5%, it forms a passive oxide layer when exposed to oxygen. This layer acts as a barrier, preventing further oxidation and corrosion, making stainless steel round bars highly resistant to rust. Electroplating is a method used to provide corrosion resistance. By immersing the bar in an electrolyte solution and passing an electric current through it, a layer of metal like zinc or nickel is deposited onto the surface, offering a protective coating. For steel round bars that require both corrosion resistance and aesthetic appeal, powder coating is a popular choice. This process involves applying a dry powder coating to the surface and curing it under heat. The resulting hard, durable finish not only offers excellent corrosion resistance but also provides a variety of color options. There are also specialized coatings available for specific applications, such as epoxy or polymer coatings. These coatings offer superior resistance to particular corrosive environments, like exposure to chemicals or high humidity. In conclusion, there are several types of surface finishes for corrosion resistance in steel round bars. These include hot-dip galvanizing, stainless steel, electroplating, powder coating, and specialized coatings. The choice of finish depends on factors such as the specific application, environmental conditions, and desired aesthetics.
- Q: Can steel round bars be used in the production of electrical equipment?
- Yes, steel round bars can be used in the production of electrical equipment. Steel is a versatile material with various properties that make it suitable for different applications, including electrical equipment. Steel round bars can be used to manufacture components such as shafts, connectors, and structural supports in electrical equipment. The strength and durability of steel make it a reliable choice for these applications, as it can withstand the mechanical stresses and environmental conditions that electrical equipment may be exposed to. Additionally, steel can provide good electrical conductivity and magnetic properties, which are important characteristics for certain electrical components. However, it is worth noting that steel round bars may need to undergo additional processes such as machining, heat treatment, or surface finishing to meet specific requirements for electrical equipment production.
- Q: Can steel round bars be used for making kitchen utensils?
- Kitchen utensils can indeed be made using steel round bars. Steel, being a robust and long-lasting material, is frequently employed in the manufacturing of kitchen utensils because of its ability to withstand corrosion, heat, and chemical harm. By effortlessly shaping and molding steel round bars, they can be transformed into a variety of utensils like spoons, forks, knives, and ladles. Moreover, steel utensils are non-reactive, ensuring that they do not release any harmful substances into food, thereby offering a safe option for cooking and food preparation.
- Q: What are the different types of heat treatments applied to steel round bars?
- There are several types of heat treatments applied to steel round bars, including annealing, normalizing, quenching, tempering, and case hardening. These treatments are used to improve the physical and mechanical properties of the steel, such as increasing its hardness, strength, toughness, and ductility, depending on the desired application and requirements.
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42CrMo4 qt Q+T 42CrMo4 for Drill Pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 50000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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