• 40CrMo China Standard Forged Steel Round Bar System 1
  • 40CrMo China Standard Forged Steel Round Bar System 2
  • 40CrMo China Standard Forged Steel Round Bar System 3
40CrMo China Standard Forged Steel Round Bar

40CrMo China Standard Forged Steel Round Bar

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Loading Port:
Shanghai
Payment Terms:
TT or LC
Min Order Qty:
25 m.t.
Supply Capability:
10000 m.t./month

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Product Description:

OKorder is offering  Round Bar at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

 

Product Applications:

1) Suitable for making various strong cutting tool abrasion resistance, impact resistance.

2) Used to produce all kinds of high hard and super hard saw blade, drill, tap, broach, gear hob and various kinds of milling cutter.

3) Used for advanced punching die, screw die, and the toughness and complicated shape of the punch, etc.

 

Product Advantages:

OKorder's  Round Bar are durable, strong, and resist corrosion.

 

Main Product Features:

·         Premium quality

·         Prompt delivery & seaworthy packing (30 days after receiving deposit)

·         Corrosion resistance

·         Can be recycled and reused

·         Mill test certification

·         Professional Service

·         Competitive pricing

 

Product Specifications:

Diameter

Mass

Diameter

Mass

Diameter

Mass

(mm)

(kg/m)

(mm)

(kg/m)

(mm)

(kg/m)

6

0.22

22

2.98

53

17.30

7

0.30

24

3.55

56

19.30

8

0.40

25

3.85

60

22.20

9

0.50

26

4.17

63

24.50

10

0.62

28

4.83

65

26.00

11

0.75

30

5.55

70

30.20

12

0.89

32

6.31

75

34.70

13

1.04

34

7.13

80

39.50

14

1.21

36

7.99

85

44.50

15

1.39

38

8.90

90

49.90

16

1.58

40

9.86

95

55.60

17

1.78

42

10.90

100

61.70

18

2.00

45

12.50

120

88.85

19

2.23

48

14.20

140

120.93

20

2.47

50

15.40

150

138.82

 

Packaging & Delivery of High Quality Round Bar

Packaging Detail: All goods are packed in bundle with steel strips and shipped by break bulk vessel or container (depend on target market and different ports)

Delivery Detail: 45 days

Trade terms: FOB, CFR, CIF

MOQ: 25 tons per specification; we can negotiate the quantity if the specification is normal or we have stock of one specification.

Weight: Theprice invoicing on theoretical weight basis or actual weight basis depends on customer’s request.

Shipment: The shipment of bulk break or container is depends on customer’s request and the situation of the port of destination.

Documents given: Full set of original clean on board bill of lading; Original signed commercial invoice; Original packing list; Policy of insurance; Certificate of origin and what the target market needs.

 

FAQ:

Q1: Why buy Materials & Equipment from OKorder.com?

A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.

Q2: How do we guarantee the quality of our products?

A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

Q3: What makes stainless steel stainless?

A3: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.

 

Images:

 

Q:How do steel round bars perform under bending or flexing forces?
Steel round bars generally perform well under bending or flexing forces due to their high tensile strength and ductility. When subjected to bending forces, the steel round bars can resist deformation and maintain their shape, making them suitable for various applications such as construction, manufacturing, and engineering. The combination of high strength and ductility allows the bars to absorb and distribute the applied load evenly, minimizing the risk of failure or breakage. The behavior of steel round bars under bending or flexing forces can be further enhanced by factors such as the alloy composition, heat treatment, and manufacturing process. Different grades of steel can offer varying levels of strength, toughness, and resistance to bending. Heat treatment processes like quenching and tempering can further improve the mechanical properties, making the bars more resistant to bending and flexing. However, it is important to note that excessive bending or flexing can lead to permanent deformation or failure of the steel round bars. Overloading or repeated bending beyond the material's limits can cause stress concentrations, microcracks, or even fractures. Therefore, it is crucial to determine the appropriate bending limits and ensure proper design and installation to maintain the structural integrity and safety of steel round bars under bending or flexing forces.
Q:Can steel round bars be painted?
Steel round bars can indeed be painted in order to protect them from corrosion and improve their appearance. However, prior to painting, it is crucial to properly prepare the surface of the steel round bars by thoroughly cleaning, degreasing, and eliminating any rust or mill scale. This can be accomplished through various methods such as sandblasting, wire brushing, or chemical cleaning. Once the surface is adequately prepared, it is necessary to apply a primer specifically formulated for steel to enhance the adhesion of the paint. Subsequently, the desired paint can be applied to the steel round bars using brushes, rollers, or spray equipment. It is essential to select a paint that is suitable for outdoor use and offers ample protection against harsh weather conditions. To ensure the long-lasting durability of the painted steel round bars, regular maintenance and periodic repainting may be necessary.
Q:How do steel round bars perform in high-temperature environments?
Steel round bars generally perform well in high-temperature environments due to their high heat resistance and thermal stability. The composition and manufacturing process of steel bars allow them to retain their mechanical properties, such as strength and hardness, even at elevated temperatures. However, the specific performance of steel round bars in high-temperature environments can vary depending on factors like the grade of steel, duration of exposure, and the presence of corrosive agents.
Q:What is the maximum copper content allowed for steel round bars?
The permissible copper content in steel round bars varies depending on the grade and industry standards. Generally, copper is regarded as an alloying element in steel and is usually added in small quantities to improve specific properties. For most steel round bars, the maximum acceptable copper content typically ranges from 0.50% to 1.00%. However, it is crucial to consider that this may differ based on the application and grade of steel utilized. To determine the maximum allowable copper content, it is advisable to refer to the applicable industry standards or specifications for the specific steel grade and application.
Q:Are steel round bars suitable for marine propeller applications?
Indeed, marine propeller applications find steel round bars to be a fitting choice. The utilization of steel as a prevalent material for marine propellers arises from its exceptional attributes of robustness, endurance, and resistance to corrosion. By machining and shaping steel round bars into the desired configuration for propeller blades, one can achieve remarkable performance within a marine setting. Furthermore, steel exhibits the ability to endure the substantial stresses and forces encountered by propellers in water, rendering it a dependable option for marine propulsion systems.
Q:What are the advantages of using low-alloy steel round bars?
Low-alloy steel round bars have become popular in various industries due to several advantages they offer. Firstly, they provide greater strength and durability compared to regular carbon steel, making them suitable for applications requiring high strength and resistance to wear and tear. The addition of alloying elements like manganese, chromium, and nickel enhances the hardness and toughness of the steel, ensuring its reliability and long-lasting nature. Secondly, low-alloy steel round bars exhibit excellent weldability and machinability. The presence of alloying elements allows for better control over the grain structure, resulting in improved weldability. This means that these bars can be easily welded and fabricated into complex shapes without compromising their structural integrity. Additionally, their machinability enables efficient processing and customization according to specific requirements. Furthermore, low-alloy steel round bars offer enhanced resistance to corrosion and atmospheric conditions. The alloying elements create a protective oxide layer on the surface, preventing rusting and deterioration over time. This makes them ideal for outdoor applications in harsh environments, such as construction, marine, and oil and gas industries. Moreover, low-alloy steel round bars are a cost-effective alternative to higher-alloy or stainless steel options. While providing similar strength and performance, low-alloy steel is generally more affordable, making it a viable option for projects with budget constraints. This cost-effectiveness, combined with their durability and versatility, makes low-alloy steel round bars a preferred choice for a wide range of applications. In conclusion, the advantages of low-alloy steel round bars include increased strength and durability, excellent weldability and machinability, resistance to corrosion, and cost-effectiveness. These properties make them a reliable and versatile material for various industries, contributing to their widespread use in numerous applications.
Q:What is the Young's modulus of a steel round bar?
The Young's modulus of a steel round bar is a measure of its stiffness or elasticity. It is a material property that determines how much a material deforms under a given load and is defined as the ratio of stress to strain. For steel, the Young's modulus typically ranges from 190 to 210 gigapascals (GPa). This means that for every unit of stress applied to the steel round bar, the strain experienced by the bar is approximately 190 to 210 times greater. The actual Young's modulus of a specific steel round bar may vary depending on various factors such as the specific grade of steel, its composition, and any heat treatment it has undergone. Therefore, it is important to consult the relevant material specifications or conduct specific testing to determine the exact Young's modulus for a particular steel round bar.
Q:What are the factors to consider when selecting a steel round bar for a specific application?
When selecting a steel round bar for a specific application, several factors need to be considered. Firstly, the desired mechanical properties such as strength, hardness, and toughness should be evaluated based on the application's requirements. Secondly, the chemical composition of the steel, including elements like carbon, alloying elements, and impurities, should be analyzed to ensure compatibility with the intended use. Additionally, the dimensions and tolerances of the round bar must be considered to ensure proper fit and functionality. Other factors to consider include surface finish, heat treatment requirements, corrosion resistance, and cost. Overall, a comprehensive understanding of the application's needs and careful consideration of these factors will help in selecting the appropriate steel round bar.
Q:What are the advantages of using heat-treatable steel round bars?
Using heat-treatable steel round bars offers several advantages: 1. Strength Enhancement: Controlled heating and cooling processes can be applied to heat-treatable steel round bars, which enhance their strength and hardness. This renders them suitable for applications demanding high strength and durability. 2. Enhanced Resistance to Wear: Heat treatment enables the development of a hardened surface layer on the steel round bars, significantly improving their wear and abrasion resistance. As a result, they are ideal for use in industries such as manufacturing, construction, and automotive, where components experience heavy wear and tear. 3. Tailored Customization: Heat-treatable steel round bars possess the advantage of easy customization to meet specific requirements. By adjusting the heat treatment process, the bars' hardness, strength, and other mechanical properties can be tailored to suit different applications, ensuring optimal performance. 4. Convenient Machinability: Heat-treatable steel round bars generally exhibit good machinability, allowing for easy cutting, drilling, or shaping into various forms without compromising their structural integrity. This convenience reduces production time and costs. 5. Versatility: Heat-treatable steel round bars find versatile applications across a wide range of industries, including construction, manufacturing, oil and gas, automotive, and aerospace. They are commonly utilized in the production of shafts, gears, bolts, axles, and other critical components. 6. Long-term Cost-effectiveness: Although heat-treatable steel round bars may initially have a higher cost compared to non-heat-treatable or lower-grade steels, their durability and enhanced properties make them cost-effective in the long run. The improved strength and wear resistance contribute to a longer service life, reducing the need for frequent replacements and maintenance. In conclusion, the utilization of heat-treatable steel round bars offers a multitude of benefits, including increased strength, improved wear resistance, customized properties, easy machinability, versatility, and long-term cost-effectiveness. These advantages position them as the preferred choice for demanding applications requiring high-performance materials.
Q:What are the different types of steel round bar surface treatments used in the aerospace industry?
In the aerospace industry, there are several types of steel round bar surface treatments that are commonly used to enhance the performance and durability of the materials. These treatments are specifically designed to meet the stringent requirements and standards set by the industry. Some of the different types of steel round bar surface treatments used in the aerospace industry include: 1. Passivation: This treatment involves the removal of iron particles and other contaminants from the surface of the steel round bar. It helps to prevent corrosion and improves the overall corrosion resistance properties of the material. 2. Shot Peening: Shot peening is a process that involves bombarding the surface of the steel round bar with small metallic shots. This treatment induces compressive stress on the surface, which enhances the material's fatigue strength and resistance to stress corrosion cracking. 3. Electroplating: Electroplating is a common surface treatment used in the aerospace industry. It involves the deposition of a layer of metallic coating onto the steel round bar through an electrochemical process. This treatment enhances the material's corrosion resistance, wear resistance, and aesthetic appearance. 4. Anodizing: Anodizing is an electrolytic passivation process that is commonly used on aluminum alloys. However, it can also be used on steel round bars. This treatment forms a thick, durable, and corrosion-resistant layer of oxide on the surface, which improves the material's resistance to wear, corrosion, and scratching. 5. Nitriding: Nitriding is a surface hardening treatment that involves the diffusion of nitrogen into the surface of the steel round bar. This treatment improves the material's surface hardness, wear resistance, and fatigue strength. 6. Chemical Conversion Coating: Chemical conversion coating is a treatment that involves the formation of a thin, protective layer on the surface of the steel round bar. This coating enhances the material's corrosion resistance and provides a good base for subsequent paint or coating applications. These are just a few examples of the different types of steel round bar surface treatments used in the aerospace industry. Each treatment offers unique benefits and is selected based on the specific requirements of the application, such as corrosion resistance, wear resistance, fatigue strength, and aesthetic appearance.

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