34CrNiMo6/1.6582/4340 Steel Round Bar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 500000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
You Might Also Like
Specification
Standard:
AISI,ASTM,JIS,GB,BS,DIN,API,EN
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Shape:
LTZ,Oval,Rectangular,Round,Hexagonal,U Channel,Square,C Channel
Surface Treatment:
PVDF Coated,Black,Bright,Polished,Chromed Passivation,Dry,Oiled,Color Coated,Copper Coated,Coated,Galvanized
Steel Grade:
Q235B,Q215B,Q235,Q215,Q195,200 Series,RHB335,A53(A,B),20#,10#,SS400-SS490,600 Series,400 Series,300 Series,HRB400
Certification:
UL,BSI,API,CE,RoHS,IBR,BV,SGS,ISO
Thickness:
13-300mm
Length:
6-12m
Net Weight:
2mt
34CrNiMo6/1.6582/4340 Steel Round Bar
Product Description of 34CrNiMo6/1.6582/4340 Steel Round Bar
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 34CrNiMo6/1.6582/4340 Steel Round Bar
Material | SCM4140 | 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 34CrNiMo6/1.6582/4340 Steel Round Bar
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 34CrNiMo6/1.6582/4340 Steel Round Bar
Packing and Delivery:
Packing in bundle package, or as customer's requirements.
Delivery Detail: 45 days after receiving the deposit.
Usage and Applications of 34CrNiMo6/1.6582/4340 Steel Round Bar
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: Are steel round bars suitable for use in the construction industry?
- Yes, steel round bars are commonly used in the construction industry due to their strength, durability, and versatility. They provide structural support in various applications such as reinforcement in concrete, framing, and the creation of beams and columns. Additionally, steel round bars can be easily fabricated, welded, and formed into different shapes, making them a suitable choice for a wide range of construction projects.
- Q: What is the difference between a bright and a rough turned steel round bar?
- The primary differences between a bright turned steel round bar and a rough turned steel round bar lie in their surface finishes and the precision involved in their manufacturing processes. A bright turned steel round bar boasts a sleek and shiny surface finish. This is achieved by subjecting the bar to supplementary processes such as polishing or grinding after the initial turning operation. The bright surface finish not only enhances the bar's aesthetic appeal but also provides improved resistance against corrosion. Conversely, a rough turned steel round bar exhibits a more textured surface finish. It is typically obtained directly from the turning operation without any additional refining processes. The rough surface finish may display visible tool marks and a slightly uneven texture. Regarding manufacturing precision, a bright turned steel round bar tends to be more accurate and precise in terms of its dimensions and tolerances. The additional processes involved in attaining a bright surface finish also enable tighter control over the bar's specifications. As a result, bright turned bars are suitable for applications where precise dimensions and tolerances are crucial. In contrast, a rough turned steel round bar may have slightly looser tolerances due to the nature of the turning process and the absence of further refining operations. Nevertheless, rough turned bars can still meet the requirements of many applications that do not necessitate high precision. Ultimately, the choice between a bright turned steel round bar and a rough turned steel round bar hinges on the specific application and the desired surface finish and precision.
- Q: Can steel round bars be used in the production of musical instruments?
- Yes, steel round bars can be used in the production of musical instruments. Steel is a versatile material that offers a range of desirable properties such as strength, durability, and resonance. While wood is commonly used in the construction of musical instruments, steel can be employed in certain applications to enhance the instrument's sound and performance. Steel round bars can be utilized in the manufacturing of various components, such as keys or valves for wind instruments like saxophones or trumpets. These bars can also be used to create the internal support structures in instruments like guitars or cellos, providing stability and enhancing tonal qualities. Additionally, steel round bars can be used in the construction of percussion instruments such as steel drums or xylophones, where their strong and resonant properties are highly desirable. Overall, while steel is not as commonly used as wood in musical instrument production, it can certainly be employed in specific cases to achieve desired sound characteristics and structural integrity.
- Q: Do steel round bars have a maximum load capacity?
- Steel round bars do possess a maximum load capacity. The load capacity is determined by several factors, including the bar's diameter, length, type and grade of steel, and the industry standards or specific application it is used for. Testing and analysis are typically employed to determine the load capacity, taking into account factors like yield strength, ultimate tensile strength, and the bar's ability to withstand bending or deformation under load. To maintain safety and structural integrity, it is crucial to refer to engineering specifications and guidelines to prevent exceeding the maximum load capacity of a steel round bar.
- Q: What are the different heat treatment processes for steel round bars?
- There are several heat treatment processes for steel round bars, including annealing, normalizing, quenching, tempering, and hardening. Annealing involves heating the steel to a specific temperature and then slowly cooling it to relieve internal stresses and improve its machinability. Normalizing is a similar process, but the cooling is done in still air to achieve a more uniform structure. Quenching involves rapidly cooling the steel from a high temperature to increase its hardness, while tempering is a subsequent process that reduces the brittleness caused by quenching through controlled reheating. Hardening is a process that involves heating the steel to a high temperature and then rapidly cooling it to achieve maximum hardness.
- Q: What are the different surface finishes available for steel round bars?
- There are several different surface finishes available for steel round bars, including hot rolled, cold drawn, polished, turned, and ground.
- Q: What are the different types of steel round bar surface finishes used in the marine industry?
- In the marine industry, various surface finishes are commonly utilized for steel round bars. These finishes possess distinct characteristics and serve specific purposes, making them suitable for particular applications. The marine industry frequently employs the following steel round bar surface finishes: 1. Polished Finish: To achieve a polished finish, the surface of the steel round bar is ground until it becomes smooth and reflective. This finish is employed when aesthetics are important, as it provides an appealing and shiny appearance. Polished finishes are commonly used for decorative purposes on boat fittings, handrails, and other exposed areas. 2. Mill Finish: Mill finish refers to the surface condition of steel round bars when they are received from the mill without any additional treatment. This finish is characterized by a rough and dull appearance, as it is not intended to be visually pleasing. Mill finishes are typically utilized when a smooth or polished surface is unnecessary, such as in structural applications or when the material will be painted or coated. 3. Shot Blasted Finish: Shot blasting is a surface treatment process that involves propelling small steel shots at high velocity onto the surface of the round bar. This process eliminates surface impurities, scales, or rust, resulting in a clean and slightly textured finish. Shot blasted finishes are commonly used in marine applications where improved adhesion of coatings or paint is required, as the textured surface provides a better bonding surface. 4. Hot Rolled Finish: The hot rolled finish is attained by subjecting the steel round bar to high temperatures during the manufacturing process, followed by rapid cooling. This process creates a scaly surface with a rough texture. Hot rolled finishes are suitable for marine applications where corrosion resistance is not the primary concern and where the material will undergo further processing or coating. 5. Galvanized Finish: Galvanizing involves applying a protective zinc coating to the surface of the steel round bar. This finish offers excellent corrosion resistance, making it ideal for marine applications where the material will be exposed to saltwater or harsh environmental conditions. Galvanized finishes are commonly employed for boat trailers, marine hardware, and other components that require enhanced protection against corrosion. These are merely a few examples of the diverse steel round bar surface finishes used in the marine industry. Each finish possesses its own unique properties and advantages, allowing for a wide range of applications in the maritime sector. The choice of finish depends on factors such as aesthetics, corrosion resistance, coating compatibility, and the specific requirements of the marine application.
- Q: Are steel round bars suitable for construction projects?
- Yes, steel round bars are suitable for construction projects. Steel round bars are versatile and durable materials that have a wide range of applications in the construction industry. They are commonly used in the construction of buildings, bridges, highways, and other infrastructure projects. Steel round bars offer several advantages for construction projects, including high strength, durability, and resistance to corrosion. They can withstand heavy loads and provide structural stability. Additionally, steel round bars can be easily shaped and manipulated to meet the specific needs and requirements of a construction project. Overall, steel round bars are a reliable and suitable choice for construction projects due to their strength, durability, and versatility.
- Q: How do you calculate the moment of inertia of a steel round bar?
- To calculate the moment of inertia of a steel round bar, you need to know its mass and the radius of gyration. The moment of inertia can be determined using the formula I = (1/4) * π * r^4, where I represents the moment of inertia and r is the radius of the round bar.
- Q: What are the different types of steel round bar alloys used in the marine industry?
- Various steel round bar alloys are utilized in the marine industry due to their strength, corrosion resistance, and other specific properties necessary for marine applications. Some commonly used alloys in this industry are: 1. Stainless Steel: Stainless steel, especially grades like 316 and 304, sees extensive use in the marine industry. These alloys possess exceptional corrosion resistance, making them suitable for marine environments where exposure to saltwater and moisture is common. Stainless steel round bars are also renowned for their high strength and durability. 2. Carbon Steel: Carbon steel round bars are another popular choice in the marine industry. They are known for their strength and toughness, making them suitable for various marine applications. However, carbon steel is more susceptible to corrosion compared to stainless steel, so proper maintenance and protective coatings are necessary. 3. Duplex Stainless Steel: Duplex stainless steel round bars, such as SAF 2205, are gaining popularity in the marine industry due to their superior corrosion resistance and high strength. These alloys possess a balanced microstructure of ferrite and austenite, providing excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. 4. Copper-Nickel Alloys: Copper-nickel round bars, specifically alloys like 90/10 (90% copper and 10% nickel) and 70/30 (70% copper and 30% nickel), find widespread use in the marine industry. These alloys offer excellent resistance to seawater corrosion, erosion, and biofouling. Copper-nickel alloys are commonly employed in seawater piping systems, heat exchangers, and condensers. 5. Aluminum Alloys: Despite not being steel, aluminum round bars are also utilized in the marine industry, particularly for lightweight applications. Aluminum alloys, such as 6061 and 5083, provide good corrosion resistance and a high strength-to-weight ratio. They are commonly employed in boat building, mast structures, and other marine components. It is important to consider specific application requirements, environmental conditions, and budget considerations when selecting steel round bar alloys in the marine industry. Consulting with marine engineers and industry experts can aid in choosing the most appropriate alloy for a particular marine application.
Send your message to us
34CrNiMo6/1.6582/4340 Steel Round Bar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 500000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
Similar products
Hot products
Hot Searches
Related keywords
