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
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Item specifice
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:How are steel round bars used in the mining industry?
- Steel round bars are commonly used in the mining industry for various applications such as drilling, excavation, and support structures. These bars are used as drill bits, anchor bolts, and reinforcement elements in underground mines and open-pit mining operations. Their high strength and durability make them suitable for withstanding the harsh conditions and heavy loads encountered in mining activities. Additionally, steel round bars are also utilized in the construction of mining equipment and machinery for their ability to provide structural integrity and stability.
- Q:How do steel round bars compare to plastic or composite bars?
- Steel round bars are generally considered to be stronger and more durable compared to plastic or composite bars. They have higher tensile strength, can withstand heavier loads, and are less prone to bending or breaking. Additionally, steel bars offer better resistance to harsh weather conditions, corrosion, and fire. However, plastic or composite bars can be more lightweight and cost-effective, making them suitable for certain applications where weight or budget is a concern. Overall, the choice between steel, plastic, or composite bars depends on the specific requirements of the project or application.
- Q:Can steel round bars be used in the manufacturing of heat exchangers?
- Yes, steel round bars can be used in the manufacturing of heat exchangers. Steel round bars are commonly used as a material for heat exchanger tubes due to their high strength, durability, and excellent heat transfer properties. The bars can be formed and welded into various shapes and sizes, making them suitable for constructing the heat exchanger tubes.
- Q:Are steel round bars suitable for bicycle frame applications?
- Yes, steel round bars are suitable for bicycle frame applications. Steel is a commonly used material for bicycle frames due to its strength, durability, and ability to absorb vibrations. Round bars provide a strong and rigid structure, allowing for a stable and reliable frame that can withstand the stresses and strains of regular use.
- Q:What are the standard sizes of steel round bars?
- The sizes of steel round bars can vary depending on the country and specific industry standards. Typically, these bars come in a wide range of diameters, starting from 6mm (0.24 inches) and going up to 400mm (15.75 inches) or even larger. For commercial purposes, commonly used sizes include 10mm (0.39 inches), 12mm (0.47 inches), 16mm (0.63 inches), 20mm (0.79 inches), 25mm (0.98 inches), and 32mm (1.26 inches). However, it's important to note that these sizes may differ in various regions and industries. Additionally, specialized applications may require unique dimensions. Therefore, it's always advisable to refer to the relevant industry standards or consult with suppliers to determine the specific standard sizes for steel round bars in a particular context.
- Q:Are steel round bars suitable for structural applications?
- Indeed, steel round bars are well-suited for structural applications. Renowned for their robustness and resilience, steel round bars prove to be excellent for diverse structural purposes. They exhibit exceptional load-bearing capabilities, thus frequently employed in construction undertakings like bridges, buildings, and infrastructure projects. Moreover, steel round bars possess commendable resistance against corrosion, fire, and severe weather conditions, thereby ensuring the longevity and structural integrity of the application. Their adaptability allows for effortless shaping, welding, and customization to satisfy the project's specific requisites. All in all, steel round bars present themselves as a dependable and cost-efficient option for structural applications.
- Q:How is the copper wire and galvanized round steel connected during the construction of the lightning protection device?
- Grounding device is an important component of lightning protection device. The earthing device releases the lightning current to the earth, and limits the lightning protection device to the ground voltage not too high. In addition to the independent lightning rod, the grounding device can be shared with other grounding devices on the premise that the grounding resistance meets the requirements.
- Q:What is the maximum molybdenum content allowed for steel round bars?
- The allowed molybdenum content in steel round bars varies based on the grade and specific steel requirements. Generally, standard carbon and alloy steels have a maximum molybdenum content of around 0.25-0.30%. However, high-performance steels like tool steels or stainless steels can have a higher maximum molybdenum content, ranging from 1-10%, depending on the grade and application. To determine the precise maximum molybdenum content allowed for a specific steel round bar, it is essential to refer to industry standards, specifications, or material data sheets.
- Q:What are the different surface coatings available for steel round bars?
- There are several different surface coatings available for steel round bars, each with their own unique benefits and applications. Some of the most common surface coatings include: 1. Galvanized Coating: This involves applying a layer of zinc to the surface of the steel round bar through a process called hot-dip galvanizing. The zinc coating provides excellent corrosion resistance, protecting the steel from rust and other forms of degradation. Galvanized coatings are commonly used in outdoor and high-humidity environments. 2. Epoxy Coating: Epoxy coatings are applied as a powder or liquid and then cured through a chemical reaction. They offer excellent chemical resistance, durability, and protection against corrosion. Epoxy coatings are often used in industrial and marine applications where harsh chemicals or saltwater exposure are a concern. 3. Chrome Plating: This involves electroplating a layer of chromium onto the surface of the steel round bar. Chrome plating offers high corrosion resistance, as well as excellent hardness and wear resistance. It is commonly used in applications where aesthetic appeal and enhanced durability are desired, such as automotive parts and decorative fixtures. 4. Powder Coating: Powder coating is a dry finishing process that involves applying a powdered polymer to the surface of the steel round bar and then heat-curing it. This creates a durable and decorative finish that is resistant to chipping, scratching, and fading. Powder coatings are available in a wide range of colors and textures, making them popular for architectural and decorative purposes. 5. Black Oxide Coating: Black oxide is a conversion coating that is created by a chemical reaction with the steel surface. It provides a black, decorative finish while also offering mild corrosion resistance. Black oxide coatings are commonly used in applications where an aesthetic appearance is desired, such as firearms and hardware. These are just a few examples of the different surface coatings available for steel round bars. The choice of coating will depend on the specific requirements of the application, including the desired level of corrosion resistance, durability, and aesthetic appeal.
- Q:How do steel round bars compare to plastic round bars?
- Steel round bars are generally stronger and more durable compared to plastic round bars. Steel has a higher tensile strength and can withstand heavier loads, making it suitable for applications that require high-strength materials. On the other hand, plastic round bars are lighter and more flexible, making them more suitable for certain applications where weight and flexibility are important factors.
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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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