SCM440 SCM415 SAE4140 Steel Round Bar /AISI 4140 Steel
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 100000 m.t./month
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Item specifice
Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,CE
Thickness:
as required
Length:
as required
Net Weight:
as required
SCM440 SCM415 SAE4140 Steel Round Bar /AISI 4140 Steels
1. Dia:12mm-300mm
2. Standard Performed: ASTM A29/A29M-04
3. Equal Standard:
America Standard: AISI4140
International Standard: 42CrMo4
Japan Standard: SCM440
Germany Standard: 42CrMo4
4. Chemical composition:
Grade | C | Si | Mn | P | S | Ni | Cr | Mo | Cu | Al |
AISI4140 | 0.38 0.41 | 0.15 0.35 | 0.85 1.00 | Max 0.015 | Max 0.040 | Max 0.25 | 0.80 1.10 | 0.15 0.25 | Max 0.35 | 0.012 0.030 |
5. Grade: ASTM A29 4140 42CrMo SCM440
Hardness:217HB
Tensile strength:1080(110)MPA
Yield strength: 930(95)MPA
Elogation: 12%
Reduction of area: 45%
AKV(impact value): 63J
- Q:Can steel round bars be used in the oilfield equipment industry?
- Steel round bars have a wide range of applications in the oilfield equipment industry. They are highly favored for their remarkable strength, durability, and resistance to corrosion. In fact, they are extensively utilized in the manufacturing of numerous components and equipment, including drill collars, drill bits, valves, and pump shafts. By incorporating steel round bars, the oilfield industry ensures that its equipment can endure the severe conditions and immense pressures encountered during operations. Furthermore, steel round bars can be effortlessly welded and machined to meet particular specifications, adding to their versatility and making them an optimal selection for the oilfield sector.
- Q:How do steel round bars perform under bending or flexing forces?
- Steel round bars are highly resistant to bending or flexing forces due to their strong and rigid nature. They can withstand significant loads without deforming or breaking, making them ideal for applications that require structural integrity and durability.
- Q:What's the difference between bearing steel and round steel?
- Steel is an important material for national construction and the realization of the four modernization indispensable, its wide application, wide variety, according to the different steel profile is generally divided into sections and plates, pipes and metal products four categories, in order to facilitate the organization of steel production, supply management and order management, and divided into heavy rail, light rail, large steel, and steel, small steel, steel cold-formed steel, high-quality steel, wire rod, steel plate, steel sheet, electrical silicon steel sheet, strip steel, seamless steel pipe, welded steel pipe, steel, metal products and other varieties.
- Q:Can steel round bars be used for making staircases?
- Yes, steel round bars can be used for making staircases. They provide durability, strength, and a modern aesthetic appeal to the staircase design.
- Q:Can steel round bars be used in marine environments?
- Steel round bars can indeed be utilized in marine settings. Nonetheless, it is crucial to select the appropriate steel variant that is specifically engineered for marine purposes. Among the various options, stainless steel stands out as the most frequently utilized due to its ability to resist corrosion. This is primarily due to its high chromium content, which facilitates the formation of a protective oxide layer on the steel's surface, thereby safeguarding it against corrosion caused by saltwater and other harsh elements. Moreover, stainless steel round bars are renowned for their robustness and durability, making them well-suited for an array of marine applications such as ship construction, offshore structures, and marine equipment. To ensure the enduring performance of steel round bars in marine environments, regular maintenance and proper care are imperative.
- Q:Are steel round bars suitable for welding applications?
- Yes, steel round bars are suitable for welding applications. Steel round bars are commonly used in welding applications due to their high strength and durability. They can be easily welded to other steel components or structures using various welding processes such as arc welding, MIG welding, or TIG welding. Steel round bars also offer good mechanical properties, including excellent tensile strength, which makes them suitable for welding applications where strength and load-bearing capacity are important factors. Additionally, steel round bars are available in a wide range of sizes and grades, allowing for versatility and compatibility with different welding projects. However, it is important to choose the appropriate type of steel round bar based on the specific welding application and the desired properties of the final product.
- Q:What are the advantages of using niobium-alloy steel round bars?
- Niobium-alloy steel round bars offer numerous benefits. Firstly, they possess exceptional strength and toughness. By incorporating niobium, the steel's strength increases while maintaining its ductility, making it ideal for applications requiring durability and high strength. Consequently, these round bars can withstand heavy loads and shocks without deforming or breaking easily. Secondly, niobium-alloy steel exhibits high resistance to corrosion. Consequently, it proves suitable for use in harsh environments where exposure to moisture, chemicals, or corrosive substances is common. The corrosion resistance ensures that the round bars remain intact and retain their structural integrity over time, reducing the need for frequent replacements and maintenance. Moreover, niobium-alloy steel demonstrates excellent weldability and formability. It can be effortlessly welded and fabricated into various shapes and sizes, making it adaptable to different manufacturing processes and applications. This adaptability enables the production of custom-designed round bars that meet specific project requirements. Additionally, niobium-alloy steel possesses superior heat resistance properties. It can endure high temperatures without losing strength or experiencing significant changes in its mechanical properties. Thus, it proves suitable for applications involving exposure to extreme heat or thermal cycling, such as in the aerospace or automotive industries. Furthermore, niobium-alloy steel is renowned for its exceptional fatigue resistance. It possesses a high endurance limit, enabling it to withstand repeated loading and unloading cycles without experiencing fatigue failure. This quality makes niobium-alloy steel round bars ideal for applications involving dynamic or cyclic loading, such as in structural components or machinery. In conclusion, the utilization of niobium-alloy steel round bars grants advantages such as high strength, corrosion resistance, weldability, formability, heat resistance, and fatigue resistance. These properties make niobium-alloy steel a reliable and cost-effective choice for numerous industries and applications.
- Q:What are the different marking methods for steel round bars?
- Steel round bars commonly use several marking methods to identify and provide information about the bars. These methods include stamping, laser marking, inkjet printing, etching, and color coding. Stamping involves using a machine to imprint alphanumeric characters, symbols, or logos onto the steel bar's surface. This method provides a durable and corrosion-resistant marking. Laser marking, on the other hand, uses a laser beam to engrave precise and high-quality information onto the bar. It allows for intricate designs, barcodes, and serial numbers and ensures permanent identification. Inkjet printing is a non-contact method that prints information using inkjet technology. It is commonly used for barcodes, QR codes, and other data matrix codes. This method is fast and efficient, with ink that adheres effectively to the steel surface. Etching is a chemical method that removes layers of the steel's surface using acid or other chemicals. It creates a visible mark and is often used for logos and identification numbers. Etching provides a permanent and easily readable marking. Color coding is a simple method that uses paint or colored coatings to mark different steel grades. Each color represents a specific attribute or characteristic. Color coding allows for quick and visual identification of the bars. These marking methods are essential in industries like construction, manufacturing, and engineering as they ensure proper identification, traceability, and quality control of steel round bars. The choice of method depends on factors such as permanence, visibility, and the specific information to be marked on the bars.
- Q:How are steel round bars used in the manufacturing of agricultural machinery?
- Steel round bars are commonly used in the manufacturing of agricultural machinery as they provide strength, durability, and flexibility. These bars are often used to construct various components such as axles, shafts, and pins, which play a crucial role in supporting and transmitting power within the machinery. The high tensile strength of steel round bars allows them to handle heavy loads and withstand harsh operating conditions, ensuring the reliability and longevity of the agricultural equipment.
- Q:What are the advantages of using alloy steel round bars?
- Alloy steel round bars offer numerous benefits. Firstly, they possess superior strength and durability, surpassing regular steel bars. This quality is particularly advantageous in industries like construction, automotive, and aerospace, where high strength and toughness are crucial. The inclusion of alloying elements enhances their mechanical properties, making them highly resistant to wear, impact, and corrosion. Moreover, alloy steel round bars exhibit exceptional heat resistance. They can endure high temperatures without compromising their strength, making them suitable for environments like furnaces, boilers, and heat exchangers. This attribute extends their service life and reduces the need for frequent replacements. Another advantage lies in the versatility of alloy steel round bars. They can be easily machined, forged, or welded, providing flexibility in design and manufacturing processes. Their ability to be customized to meet specific requirements makes them suitable for a wide range of applications. Additionally, alloy steel round bars maintain good dimensional stability. Even under extreme conditions, they retain their shape and size, ensuring precise and accurate performance. This characteristic is particularly valuable in industries that demand tight tolerances, such as precision engineering and manufacturing. Lastly, alloy steel round bars prove to be cost-effective in the long term. Although they may have a higher initial cost compared to regular steel bars, their enhanced properties and extended service life result in reduced maintenance and replacement expenses. This makes them a more economical choice over time. In conclusion, the benefits of utilizing alloy steel round bars include superior strength and durability, excellent heat resistance, versatility in machining and fabrication, good dimensional stability, and long-term cost-effectiveness. These advantages make them the preferred option in various industries that require high-performance materials.
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SCM440 SCM415 SAE4140 Steel Round Bar /AISI 4140 Steel
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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