Hot Forged Tool Steel Round Bar D-2, 42crmo4, ASTM A681, DIN 1.2379, SAE J437, J438
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- 100 m.t.
- Supply Capability:
- 500000 m.t./month
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Hot Forged Tool Steel Round Bar D-2, 42crmo4, ASTM A6
Product Description of Hot Forged Tool Steel Round Bar D-2, 42crmo4, ASTM A6
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 Hot Forged Tool Steel Round Bar D-2, 42crmo4, ASTM A6
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 Hot Forged Tool Steel Round Bar D-2, 42crmo4, ASTM A6
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 Hot Forged Tool Steel Round Bar D-2, 42crmo4, ASTM A6
Packing and Delivery:
Packing in bundle package, or as customer's requirements.
Delivery Detail: 45 days after receiving the deposit.
Usage and Applications of Hot Forged Tool Steel Round Bar D-2, 42crmo4, ASTM A6
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 is a steel round bar?
- A steel round bar, a lengthy metal rod with a circular shape, is usually made of strong and durable steel, an alloy composed mainly of iron and carbon. The round bar finds wide usage in industries like construction, manufacturing, and engineering, thanks to its flexibility and dependability. It is frequently employed as a structural element in buildings, as reinforcement or support in concrete structures, or as a part in machinery and equipment. The round shape enables effortless handling, machining, and welding procedures. Steel round bars are available in different diameters and lengths, and they can be further tailored or manufactured to suit particular project needs.
- Q:How are steel round bars stored?
- Steel round bars are typically stored in a vertical position, either stacked on racks or placed in specially designed shelves or racks. These storage methods ensure that the bars are well-supported and easily accessible for transportation and use. Additionally, steel round bars are often bundled or strapped together to prevent them from rolling or becoming disorganized.
- Q:Are steel round bars used in the automotive industry?
- Yes, steel round bars are commonly used in the automotive industry for various applications such as manufacturing components like axles, crankshafts, and suspension parts due to their high strength and durability.
- Q:Can steel round bars be used in the telecommunications industry?
- Yes, steel round bars can be used in the telecommunications industry. They are often used for constructing infrastructure such as transmission towers and poles, as well as for cable management and support systems. The high strength and durability of steel make it suitable for withstanding the environmental conditions and load requirements in the telecommunications sector.
- Q:What is the yield strength of a steel round bar?
- The yield strength of a steel round bar can vary depending on the specific grade and type of steel used. However, common structural steel grades have yield strengths ranging from 250 MPa to 800 MPa.
- Q:What's the difference between pure iron round steel and electromagnetic pure iron bar?
- One thing, one thing, the same thing is round. However, in the general industry, about 30 of the habit is called bar,
- Q:Can steel round bars be used in the production of agricultural machinery?
- Yes, steel round bars can be used in the production of agricultural machinery. Steel is a durable and strong material that is commonly used in various industries, including agriculture. Steel round bars can be utilized for manufacturing components such as axles, shafts, and frames, providing stability and strength to agricultural machinery.
- Q:How do steel round bars compare to stainless steel round bars?
- Steel round bars and stainless steel round bars differ in their composition, making them suitable for various applications. The composition of steel mainly consists of iron with small amounts of carbon and other elements, whereas stainless steel is an alloy composed of iron, chromium, and often other elements like nickel or molybdenum. This unique composition gives stainless steel its distinctive properties, such as corrosion resistance. Both steel and stainless steel round bars can be manufactured to have high tensile strength. However, stainless steel generally has higher tensile strength compared to regular steel, making it more suitable for applications requiring additional strength and durability. Another significant difference lies in their resistance to corrosion. Stainless steel round bars have excellent corrosion resistance due to the presence of chromium in their composition, making them ideal for applications exposed to moisture, chemicals, or other corrosive environments. On the other hand, steel round bars are more prone to rust and corrosion and may need additional protective coatings in such environments. In terms of cost, steel round bars are generally more affordable compared to stainless steel round bars. The higher cost of stainless steel is attributed to its unique properties and the additional alloying elements required in its production. Both steel and stainless steel round bars have advantages and specific applications. Steel round bars are commonly used in construction, manufacturing, and general-purpose applications where corrosion resistance is not a primary concern. In contrast, stainless steel round bars find extensive use in industries such as food processing, chemical processing, medical equipment, and marine applications where corrosion resistance is crucial. In conclusion, the choice between steel round bars and stainless steel round bars depends on the specific requirements of the application. Steel round bars are more cost-effective but may require additional corrosion protection, while stainless steel round bars offer superior corrosion resistance and strength.
- Q:How do you check the quality of a steel round bar?
- Several factors need to be taken into account when checking the quality of a steel round bar. Firstly, it is crucial to assess the dimensions of the bar. This involves measuring its diameter, length, and straightness. Any deviation from the specified dimensions could indicate a lower quality bar. Next, it is important to inspect the surface condition of the steel round bar. It should be free from visible defects such as cracks, pits, or surface irregularities. Additionally, the surface should be smooth and without significant roughness or burrs. Moreover, the chemical composition of the steel round bar must be examined. This can be done through spectroscopic analysis or other testing methods. The composition should meet the required standards and specifications, as any deviations can impact the bar's strength and durability. Another crucial aspect to consider is the mechanical properties of the steel round bar. This involves testing its tensile strength, yield strength, and elongation. Specialized machines can be used for these tests to ensure that the bar meets the necessary strength requirements. Additionally, non-destructive testing methods such as ultrasonic testing or magnetic particle inspection can be employed to identify any internal or surface defects that may affect the bar's quality. Furthermore, it is essential to verify the bar's compliance with industry standards and certifications. This includes checking if the steel round bar meets the specifications set by organizations like ASTM International or ISO. Lastly, consulting reputable suppliers or manufacturers with a proven track record in producing high-quality steel round bars is advisable. They can provide documentation, certifications, and test reports to validate the quality of their products. To summarize, evaluating the dimensions, surface condition, chemical composition, mechanical properties, compliance with standards, and supplier's reputation are key steps in checking the quality of a steel round bar. By thoroughly examining these factors, one can ensure the reliability and performance of the steel round bar for its intended applications.
- Q:What are the advantages of using nickel-iron alloy steel round bars?
- Nickel-iron alloy steel round bars offer numerous benefits. Firstly, they possess outstanding resistance to corrosion and oxidation, making them highly suitable for environments with moisture, chemicals, or high temperatures. This ensures their structural integrity and durability, reducing the need for frequent replacements or repairs. Secondly, these round bars exhibit excellent mechanical properties, including high strength, toughness, and hardness. This makes them ideal for heavy-duty applications in industries such as construction, manufacturing, and engineering. Additionally, nickel-iron alloy steel maintains its shape and dimensions even at extreme temperatures, thanks to its good thermal stability and resistance to thermal expansion. This reliability makes it perfect for high-temperature applications. Moreover, these round bars have remarkable magnetic properties, with high magnetic permeability. This makes them suitable for electromagnetic applications like transformers, inductors, and magnetic shielding, enhancing the efficiency of these devices. Lastly, nickel-iron alloy steel offers versatility in manufacturing processes and customization options. It can be easily machined, welded, and formed into various shapes and sizes, providing flexibility in design and application. This adaptability makes it a preferred choice in many industries. In conclusion, the benefits of using nickel-iron alloy steel round bars are evident in their corrosion resistance, mechanical properties, thermal stability, magnetic properties, and versatility. These qualities ensure optimal performance and longevity, making them reliable and suitable for a wide range of applications.
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Hot Forged Tool Steel Round Bar D-2, 42crmo4, ASTM A681, DIN 1.2379, SAE J437, J438
- 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
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