4130 30CrMo SCM430 Alloy Structure 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
OKorder Financial Service
You Might Also Like
Item specifice
4130 30CrMo SCM430 Alloy Structure Steel Round Bar
Product Description of 4130 30CrMo SCM430 Alloy Structure 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 4130 30CrMo SCM430 Alloy Structure 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 4130 30CrMo SCM430 Alloy Structure 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 4130 30CrMo SCM430 Alloy Structure 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 4130 30CrMo SCM430 Alloy Structure 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:What are the advantages of using oil-hardening steel round bars?
- There are several advantages of using oil-hardening steel round bars. Firstly, these bars have excellent hardenability, meaning they can be hardened throughout their entire cross-section. This makes them highly suitable for applications where a high degree of hardness and strength is required. Secondly, oil-hardening steel round bars have good machinability, allowing for ease of cutting, drilling, and shaping. Additionally, they exhibit good wear resistance, making them ideal for applications involving friction and abrasion. Lastly, oil-hardening steel round bars offer good dimensional stability and can withstand high temperatures, ensuring their durability and reliability in various industrial settings.
- Q:Can steel round bars be used for making medical equipment?
- Yes, steel round bars can be used for making medical equipment. Steel is a versatile and durable material that is commonly used in the manufacturing of medical instruments and equipment. It possesses excellent strength and can withstand high levels of stress and pressure, making it suitable for a wide range of medical applications. Additionally, steel is resistant to corrosion and can be easily sterilized, ensuring that the medical equipment remains hygienic and safe for use. Steel round bars can be machined, shaped, and formed into various medical instruments such as surgical tools, implants, braces, and prosthetics. Therefore, steel round bars are a viable option for producing medical equipment due to their strength, durability, and compatibility with sterilization processes.
- Q:How do you straighten a bent steel round bar?
- To straighten a bent steel round bar, you can use either a hydraulic press or a mechanical straightening machine. The process involves applying gradual pressure to the bent area until it becomes straight again. It is important to ensure even pressure distribution to avoid further damage to the bar.
- Q:What is the standard length of a steel round bar?
- The standard length of a steel round bar can vary depending on the specific industry and its intended use. However, in general, the standard length of a steel round bar is typically 20 feet or 6 meters. This length is commonly used in construction, manufacturing, and engineering applications. It is important to note that custom lengths can also be obtained, as per the requirements of a particular project or application.
- Q:What are the different types of steel round bar surface defects?
- There are several different types of surface defects that can occur on steel round bars. Some of the most common defects include: 1. Scale: This is a thin layer of oxide that forms on the surface of the steel during the manufacturing process. It appears as a rough, flaky or scaly texture and can be easily removed by pickling or abrasive cleaning. 2. Pitting: Pitting is a localized corrosion that appears as small, shallow holes or depressions on the surface of the steel. It is typically caused by exposure to corrosive substances or environments and can weaken the material if left untreated. 3. Surface cracks: These are small, visible cracks that appear on the surface of the steel round bar. They can be caused by various factors such as improper cooling during the manufacturing process, excessive stress, or improper handling. Surface cracks can reduce the structural integrity of the steel and should be carefully inspected and repaired if necessary. 4. Decarburization: This defect occurs when the surface layer of the steel loses its carbon content, leading to reduced hardness and strength. Decarburization is often caused by high temperatures during heat treatment or improper cooling methods. It can be detected through visual inspection or by conducting hardness tests. 5. Lamination: Lamination defects occur when there are layers or flakes within the steel round bar. These layers can cause weakness in the material and compromise its structural integrity. Lamination defects are typically caused by improper rolling or excessive impurities in the steel. 6. Inclusions: Inclusions are foreign materials or impurities that are trapped within the steel during the manufacturing process. They can appear as dark spots, streaks, or irregular shapes on the surface of the round bar. Inclusions can reduce the strength and ductility of the steel and can be caused by factors such as improper raw material quality or inadequate refining processes. It is important to note that surface defects in steel round bars can vary in severity and impact on the material's performance. Regular inspection and quality control measures are essential to identify and rectify any surface defects to ensure the integrity and reliability of the steel round bar.
- Q:Can steel round bars be used for construction purposes?
- Indeed, construction purposes can make use of steel round bars. Several applications in construction commonly utilize steel round bars, including reinforcement in concrete structures, support for beams and columns, and as structural components in bridges, buildings, and infrastructure projects. The exceptional tensile strength and durability of steel render it a perfect option for construction purposes, capable of withstanding heavy loads, providing stability, and ensuring the longevity and safety of structures. Furthermore, steel round bars offer versatility, as they can be easily fabricated and customized to meet specific project requirements. Hence, due to their excellent mechanical properties, reliability, and cost-effectiveness, steel round bars find extensive use in the construction industry.
- Q:How do you prevent steel round bars from rusting during storage?
- To prevent steel round bars from rusting during storage, it is important to keep them in a dry environment with low humidity. Applying a coating of protective oil or wax can also help create a barrier against moisture and prevent rust formation. Additionally, storing the bars off the ground and away from direct contact with concrete or other materials that may cause corrosion can further prevent rusting. Regular inspections and maintenance are crucial to ensure the bars remain rust-free.
- Q:Are steel round bars suitable for the production of springs?
- Indeed, springs can be produced using steel round bars. Steel, renowned for its exceptional strength and durability, finds widespread application in spring manufacturing. The circular configuration of these bars facilitates effortless shaping and molding, rendering them an ideal choice for spring production procedures. Steel round bars can be conveniently machined and heat-treated to impart the desired spring attributes, including elasticity and resilience. Furthermore, steel boasts a remarkable tensile strength, enabling it to endure substantial loads. Consequently, it proves well-suited for applications necessitating robust and dependable springs.
- Q:What are the different types of steel round bar alloys for improved strength?
- There are several different types of steel round bar alloys that are known for their improved strength. These alloys are developed through the addition of various elements to the steel composition, resulting in different properties and strengths. One commonly used alloy for improved strength is carbon steel. This alloy contains a higher carbon content, which enhances its strength and hardness. Carbon steel round bars are widely used in applications that require high strength, such as construction, automotive, and machinery. Another type of alloy is stainless steel, which is known for its corrosion resistance and high strength. Stainless steel round bars are often used in environments where corrosion is a concern, such as marine applications, food processing, and chemical plants. Alloy steel is another category that offers improved strength. This type of steel is created by adding elements such as chromium, molybdenum, and nickel to the composition. Alloy steel round bars are commonly used in industries that require high strength and durability, such as aerospace, oil and gas, and power generation. Tool steel is yet another alloy that provides enhanced strength and toughness. Tool steel round bars are specifically designed for machining and cutting applications, where high wear resistance and hardness are crucial. Lastly, there are specialty alloys such as nickel alloy and titanium alloy round bars, which offer exceptional strength and unique properties for specific applications. Nickel alloy round bars are often used in industries such as aerospace, chemical, and nuclear, while titanium alloy round bars are commonly found in aerospace, medical, and automotive industries. In conclusion, the different types of steel round bar alloys for improved strength include carbon steel, stainless steel, alloy steel, tool steel, and specialty alloys. Each of these alloys has its own unique properties and applications, providing a wide range of options for industries that require high strength materials.
1. Manufacturer Overview |
|
|---|---|
| Location | |
| Year Established | |
| Annual Output Value | |
| Main Markets | |
| Company Certifications | |
2. Manufacturer Certificates |
|
|---|---|
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
|
|---|---|
| a)Trade Capacity | |
| Nearest Port | |
| Export Percentage | |
| No.of Employees in Trade Department | |
| Language Spoken: | |
| b)Factory Information | |
| Factory Size: | |
| No. of Production Lines | |
| Contract Manufacturing | |
| Product Price Range | |
Send your message to us
4130 30CrMo SCM430 Alloy Structure 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
OKorder Financial Service
Similar products
New products
Hot products
Related keywords
