S355J2 Steel Round Bar Alloy Steel Round Bar 4140
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 500000 m.t./month
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Specification
S355J2 Steel Round Bar Alloy Steel Round Bar 4140
Product Description of S355J2 Steel Round Bar Alloy Steel Round Bar 4140
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 S355J2 Steel Round Bar Alloy Steel Round Bar 4140
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 S355J2 Steel Round Bar Alloy Steel Round Bar 4140
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 S355J2 Steel Round Bar Alloy Steel Round Bar 4140
Packing and Delivery:
Packing in bundle package, or as customer's requirements.
Delivery Detail: 45 days after receiving the deposit.
Usage and Applications of S355J2 Steel Round Bar Alloy Steel Round Bar 4140
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 nickel-chromium-molybdenum alloy steel round bars?
- Nickel-chromium-molybdenum alloy steel round bars offer numerous benefits: 1. Exceptional strength and durability: These round bars possess outstanding mechanical properties, including high tensile strength and hardness. As a result, they are ideal for applications that demand robust and long-lasting materials. 2. Enhanced resistance to corrosion: The inclusion of nickel and chromium in the alloy steel composition improves its ability to withstand corrosion. This makes it suitable for use in environments exposed to harsh chemicals or moisture. Consequently, the lifespan of these round bars is extended, reducing the need for frequent replacements. 3. Impressive heat resistance: Nickel-chromium-molybdenum alloy steel round bars can endure high temperatures without compromising their structural integrity. This makes them well-suited for applications involving extreme heat, such as the manufacturing of boilers, heat exchangers, and other heat-resistant equipment. 4. Versatility in fabrication: These round bars can be easily machined and fabricated, enabling the production of various shapes and sizes. This versatility makes them applicable across a wide range of industries, including aerospace, automotive, oil and gas, and construction. 5. Resistance to fatigue: The alloy composition of nickel-chromium-molybdenum steel enhances its resistance to fatigue, making it ideal for applications subjected to cyclic loading or repeated stress. This ensures that the round bars can withstand prolonged use without experiencing fatigue failure. 6. Excellent weldability: Nickel-chromium-molybdenum alloy steel round bars exhibit good weldability, facilitating easy joining or fabrication processes. This makes them suitable for applications that require welding or other forms of joining, providing flexibility in design and construction. In conclusion, the advantages of nickel-chromium-molybdenum alloy steel round bars make them a preferred choice in industries where strength, durability, corrosion resistance, heat resistance, versatility, fatigue resistance, and weldability are crucial factors for success.
- Q: What are the advantages of using steel round bars?
- There are several advantages of using steel round bars in various applications. Firstly, steel round bars are known for their exceptional strength and durability. This makes them ideal for use in construction projects, as they can withstand heavy loads and provide structural integrity. Additionally, steel round bars have excellent resistance to corrosion, making them suitable for outdoor and marine applications. They can withstand exposure to harsh weather conditions and remain unaffected by moisture and chemicals. This ensures a longer lifespan and reduced maintenance costs. Steel round bars also offer versatility in terms of their shape and size. They can be easily customized and fabricated to meet specific requirements, making them suitable for a wide range of applications. Whether it's for construction, manufacturing, or engineering projects, steel round bars can be tailored to fit the desired dimensions and specifications. Furthermore, steel round bars have excellent machinability, allowing for easy cutting, drilling, and shaping. This makes them highly adaptable and easy to work with, saving time and effort during the fabrication process. Moreover, steel round bars have a high tensile strength, which means they can resist deformation under pressure. This makes them ideal for applications where a high level of strength is required, such as in the manufacturing of machinery, tools, and automotive components. Lastly, steel round bars are cost-effective compared to other materials. Their durability and long lifespan result in reduced maintenance and replacement costs over time. Additionally, their availability and widespread use make them a cost-efficient option for various industries. Overall, the advantages of using steel round bars include their exceptional strength, resistance to corrosion, versatility, machinability, high tensile strength, and cost-effectiveness. These qualities make them a popular choice in numerous applications, contributing to their widespread usage in industries worldwide.
- Q: How do you determine the appropriate steel grade for a specific application?
- To determine the appropriate steel grade for a specific application, several factors need to be considered. These include the intended use of the steel, the required mechanical properties such as strength, hardness, and toughness, the desired corrosion resistance, and any specific industry standards or regulations that need to be met. Additionally, factors like cost, availability, and processability of the steel should also be taken into account. By evaluating these factors and consulting with experts, engineers can determine the most suitable steel grade for the specific application.
- Q: Can steel round bars be used in the textile industry?
- Steel round bars can indeed be used in the textile industry, albeit in limited applications. While textiles are primarily made from natural or synthetic fibers, steel round bars can be utilized in the machinery and equipment used in textile production. These bars are often used to construct frames, supports, and other structural components of textile machinery. For example, steel round bars can be used to build the frames of looms, which are used to weave fabrics. They can also be used in the construction of spinning machines, knitting machines, and other textile manufacturing equipment. Additionally, steel round bars can be used as a base or support for textile drying racks, storage systems, or conveyor systems. In these applications, the strength and durability of steel make it a suitable material for withstanding the demands of industrial textile production. However, it is important to note that steel round bars are not directly incorporated into the fabric or textile products themselves.
- Q: How do steel round bars compare to fiberglass or composite bars?
- Steel round bars are generally stronger and more durable than fiberglass or composite bars. They have a higher tensile strength, making them suitable for heavy-duty applications and environments that require resistance to extreme conditions. Fiberglass or composite bars, on the other hand, are lighter in weight and have better corrosion resistance, making them suitable for applications like construction and transportation, where weight reduction and resistance to chemicals or moisture are critical factors. Ultimately, the choice between steel round bars and fiberglass or composite bars depends on the specific requirements and limitations of the intended use.
- Q: What is the corrosion resistance of steel round bars?
- The corrosion resistance of steel round bars depends on the specific type of steel used and any additional coatings or treatments that have been applied. Generally, stainless steel round bars have excellent corrosion resistance due to their high levels of chromium and nickel, which form a protective oxide layer on the surface. However, carbon steel round bars are more susceptible to corrosion and may require additional protection such as galvanization or painting to enhance their resistance.
- Q: Can steel round bars be recycled?
- Yes, steel round bars can be recycled. Steel is a highly recyclable material, and the recycling process involves melting the steel bars down to be used in the production of new steel products.
- 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 nickel-chromium-molybdenum alloy steel round bars?
- Nickel-chromium-molybdenum alloy steel round bars offer numerous benefits: 1. Exceptional strength and durability: These round bars possess outstanding mechanical properties, including high tensile strength and hardness. As a result, they are ideal for applications that demand robust and long-lasting materials. 2. Enhanced resistance to corrosion: The inclusion of nickel and chromium in the alloy steel composition improves its ability to withstand corrosion. This makes it suitable for use in environments exposed to harsh chemicals or moisture. Consequently, the lifespan of these round bars is extended, reducing the need for frequent replacements. 3. Impressive heat resistance: Nickel-chromium-molybdenum alloy steel round bars can endure high temperatures without compromising their structural integrity. This makes them well-suited for applications involving extreme heat, such as the manufacturing of boilers, heat exchangers, and other heat-resistant equipment. 4. Versatility in fabrication: These round bars can be easily machined and fabricated, enabling the production of various shapes and sizes. This versatility makes them applicable across a wide range of industries, including aerospace, automotive, oil and gas, and construction. 5. Resistance to fatigue: The alloy composition of nickel-chromium-molybdenum steel enhances its resistance to fatigue, making it ideal for applications subjected to cyclic loading or repeated stress. This ensures that the round bars can withstand prolonged use without experiencing fatigue failure. 6. Excellent weldability: Nickel-chromium-molybdenum alloy steel round bars exhibit good weldability, facilitating easy joining or fabrication processes. This makes them suitable for applications that require welding or other forms of joining, providing flexibility in design and construction. In conclusion, the advantages of nickel-chromium-molybdenum alloy steel round bars make them a preferred choice in industries where strength, durability, corrosion resistance, heat resistance, versatility, fatigue resistance, and weldability are crucial factors for success.
- Q: Can steel round bars be used for making marine equipment?
- Yes, steel round bars can be used for making marine equipment. Steel is a durable and corrosion-resistant material that is commonly used in the marine industry for various applications such as shipbuilding, offshore structures, and marine equipment. However, it is important to ensure that the steel used is specifically designed for marine environments to prevent corrosion and maintain the integrity of the equipment.
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S355J2 Steel Round Bar Alloy Steel Round Bar 4140
- 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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