ASTM A105 Carbon Steel Round Bars System 1

ASTM A105 Carbon Steel Round Bars System 2

ASTM A105 Carbon Steel Round Bars System 3

ASTM A105 Carbon Steel Round Bars System 4

ASTM A105 Carbon Steel Round Bars

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 10000 m.t./month

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Item
Standard	GB/T 700-2006,GB/T 1591-94,JIS G3101-2004, ASTM A36/A36M-05,ASTM A242/A242M-04,ASTM A529/A529M-05, ASTM A572/A572M-06,EN 10025-2-2004
Material	Q195,Q215 A,Q215 B,Q235 A,Q235 B,Q235 C, Q235D,Q275,Q275B,Q275C,Q275D,Q295,Q345,Q390,Q420, Q460, SS330,SS400,SS490,SS540,A36,1,GR.36,50(245),55(380),42(290), 60(415),65(450),S185(1.0035),S235JO(1.0114), S235JR(1.0038), S235J2(0.0117),S275JR(1.0044),S275JO(1.10143),S355JO(1.0553), E295(1.0050),E335(1.0060), S235J2W(1.861),S355J2W(1.8965),10#, 15#20#
Diameter	4mm~800mm
Length	1m,3m,5.8m,6m,12m or as required
Surface	polished,bright,black,coated,2b,ba,mirror,NO.4,8K
Package	Standard export seaworthy or as customers’ requirements
Application	1.Mainly used in the manufacture of petroleum, chemical, gas separation and shipping container or other similar devices, such as all kinds of tower vessels, heat exchangers, torage tank and tank car, etc 2.Manufacture all kinds of stamping parts, construction and engineering structure and some of the less important machine structure and parts. 3. Buildings and Bridges,Vehicles, towers and other structures. 4.Used as a floor, workshop escalator, working pedal, ship deck and car plate and so on 5.Make fixed boiler, boiler and other important hull attachments. 6.Pressure vessels, welding gas cylinder steel plate 7.Production of cutting tools, measuring tool and die
Export	Ireland,Singapore,Indonesia,Ukraine,Saudi Arabia,Spain,Canada,USA,Brazil,Thailand,Iraq,Russia, Holland,Turkey,Kuwait,Korea,Iran,India,Egypt,Oman,Malaysia,Peru, Vietnam,Mexico,etc

Product Name	Typical Grades	Diameter(mm)	Standard adopted
Carbon Steel	20 (1020/S20C/C22)	Ø16-Ø300	GB/SAE/JIS/DIN
40 (1040/S40C/C40)
45 (1045/S45C/C45)
Bearing Steel	GCr9 (51100/SUJ1)	Ø12-Ø250
GCr15 (52100/SUJ2/100Gr6)
GCr9SiMn (A485-Gr.1/SUJ3)
Cr-Mo Steel	20Cr (5120/SCr420H/20Cr4)	Ø12-Ø250
40Cr (5140/SCr440/41Cr4)
42CrMo(4140/SCM440/42CrMo4)
Gear Steel	20CrNiMo	Ø16-Ø600
20CrMn(5115/SMnC420/20MnCr5)
20CrNiMo(8620/SNCM220/20CrMiMo2)

Carbon Steel	Mold bottom, Plastic mold, Construction machinery parts Automobile parts, Security grills, Screens, Construction
Bearing Steel	Aerospace, Navigation, Nuclear energy, Chemical industry Electronic information, Petrochemical, Instrument and meter Transportation
Cr-Mo Steel	Mechanism & Fasteners gear, Stressed components for vehicles Engines and machines, Parts of larger cross-section
Gear Steel	All kinds of gears, Statically and dynamically stressed component for vehicles Engines and machine, Larger cross-section parts, Crankshafts

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.

FAQ

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.

Packaging & Delivery

1, Packaging: seaworthy package or as required

2, Delivery: 35-45 days or based on quantity

Q:What is the maximum length available for steel round bars?: The maximum length available for steel round bars can vary depending on the supplier and the specific requirements, but typically it can range from 12 to 24 feet.

Q:Can steel round bars be used in the manufacturing of tools?: Yes, steel round bars can be used in the manufacturing of tools. Steel is a strong and durable material that can be easily shaped and manipulated into various tool designs, making it a popular choice in tool manufacturing. Additionally, steel's high tensile strength and resistance to corrosion make it ideal for tools that require strength and longevity.

Q:What are the advantages of using high-speed steel round bars?: Using HSS round bars in various applications offers several advantages. Firstly, their exceptional hardness and wear resistance make them perfect for high-speed and high-temperature cutting, shaping, and machining operations. HSS round bars can withstand the heat generated in these processes without losing hardness or dulling quickly. This results in improved tool life and reduced downtime for tool changes. Secondly, HSS round bars possess excellent strength and toughness properties, enabling them to handle heavy loads and resist deformation, even in demanding applications. Their strength and toughness make them suitable for industries like aerospace, automotive, and manufacturing, where precision and reliability are crucial. Thirdly, HSS round bars provide superior cutting performance. Due to their high hardness, they retain a sharp cutting edge for a long time. This ensures efficient and precise cutting, minimizing inaccuracies or errors in the workpiece. The sharp cutting edge also contributes to improved surface finish and dimensional accuracy. Additionally, HSS round bars have good thermal conductivity, meaning they efficiently dissipate heat generated during cutting or machining operations. This prevents overheating, which can cause premature tool failure or damage. The ability to manage heat buildup helps maintain the integrity of the tool and extends its lifespan. Lastly, HSS round bars are readily available and cost-effective compared to other high-performance tool materials like carbide. This makes them a popular choice, especially in industries where cost considerations are significant. In conclusion, the advantages of using HSS round bars include exceptional hardness and wear resistance, excellent strength and toughness, superior cutting performance, good thermal conductivity, and cost-effectiveness. These advantages make HSS round bars the preferred choice for professionals and industries that require reliable and efficient cutting and machining tools.

Q:What are the different shapes available for steel round bars?: Steel round bars are available in various shapes to suit different applications. The most common shapes include: 1. Round: This is the most basic and widely used shape for steel round bars. It is cylindrical in shape and has a circular cross-section. Round bars are used in a wide range of industries such as construction, automotive, and manufacturing. 2. Square: Square steel round bars have a square cross-section. They are often used in applications that require added strength and stability, such as structural support columns, fences, and ornamental ironwork. 3. Hexagonal: Hexagonal steel round bars have six sides and a hexagonal cross-section. They offer a good balance of strength and versatility and are commonly used in applications such as machine parts, fasteners, and tooling. 4. Flat: Flat steel round bars have a rectangular cross-section with a narrow width and thick height. They are commonly used in construction and manufacturing for applications such as braces, brackets, and supports. 5. Half-round: Half-round steel round bars have a semi-circular cross-section. They are often used in architectural and decorative applications such as handrails, edging, and trim work. These are some of the most common shapes available for steel round bars. The choice of shape depends on the specific requirements of the application, including strength, stability, and aesthetics.

Q:Are steel round bars available in different colors?: Steel round bars typically come in a metallic grey color, which is the natural color of the steel material. However, it is possible to find steel round bars in different colors through various processes such as powder coating or painting. These processes involve applying a layer of paint or powder to the surface of the steel, which can be done in a wide range of colors. This allows for customization and aesthetic considerations, especially in applications where the appearance of the steel is important. It is important to note that the availability of different colors may vary depending on the supplier or manufacturer.

Q:What are the advantages of using precipitation-strengthened steel round bars?: Using precipitation-strengthened steel round bars in various applications offers several benefits. Firstly, these bars possess improved mechanical properties, making them stronger and more durable compared to regular steel bars. Through the heat treatment process of precipitation hardening, fine particles form within the steel structure. These particles act as obstacles to dislocation movement, resulting in enhanced strength and hardness. Secondly, the increased strength of precipitation-strengthened steel round bars allows for material usage reduction while maintaining the desired level of structural integrity. This leads to cost savings in terms of raw materials and transportation, making it an economical choice in the construction and manufacturing industries. Additionally, precipitation-strengthened steel round bars exhibit excellent corrosion resistance properties. The formation of fine particles during precipitation hardening creates a dense and uniform microstructure, effectively blocking the movement of corrosive agents. This corrosion resistance makes these bars ideal for applications in harsh environments or industries where exposure to corrosive substances is common. Another advantage of using precipitation-strengthened steel round bars is their ability to withstand high temperatures. The fine particles within the steel structure contribute to improved thermal stability, enabling these bars to maintain their strength and hardness even under elevated temperatures. This makes them suitable for applications involving high-temperature operations, such as in the aerospace and automotive industries. Furthermore, precipitation-strengthened steel round bars possess superior fatigue resistance, making them advantageous in applications that require repetitive or cyclic loading. The precipitation hardening process enhances the material's resistance to fatigue failure, allowing it to withstand prolonged stress without significant deformation or failure. This makes these bars suitable for use in structures subjected to dynamic or fluctuating loads, such as bridges, cranes, and machinery components. In conclusion, precipitation-strengthened steel round bars offer enhanced mechanical properties, reduced material usage, excellent corrosion resistance, high-temperature stability, and superior fatigue resistance. These advantages make them the preferred choice for a wide range of applications, spanning from construction and manufacturing to the aerospace and automotive industries.

Q:Can steel round bars be used in electrical applications?: No, steel round bars are not typically used in electrical applications. Electrical conductors are typically made of materials that are good conductors of electricity, such as copper or aluminum. Steel is not as conductive as these materials and is more commonly used for structural purposes.

Q:What are the different types of steel round bars used in the marine industry?: Various applications in the marine industry require the use of different types of steel round bars. These round bars are specifically designed to withstand the challenging marine environment and offer high strength and resistance to corrosion. 1. Stainless Steel Round Bars: Due to their exceptional corrosion resistance, stainless steel round bars are extensively used in the marine industry. They can endure saltwater, acids, and other corrosive elements commonly found in the marine environment. Marine fittings, fasteners, and propeller shafts are among the common uses for stainless steel round bars. 2. Carbon Steel Round Bars: Known for their durability and high strength, carbon steel round bars find application in various marine fields such as shipbuilding, offshore structure construction, and marine equipment fabrication. Different grades of carbon steel round bars are available, with higher carbon content providing increased strength and hardness. 3. Alloy Steel Round Bars: Mechanical properties of alloy steel round bars are enhanced by combining various elements like chromium, nickel, and molybdenum with carbon steel. These bars offer excellent strength, toughness, and resistance to corrosion. Marine shafts, gears, and structural components typically make use of alloy steel round bars. 4. Duplex Stainless Steel Round Bars: Combining the properties of austenitic and ferritic stainless steels, duplex stainless steel round bars offer superior corrosion resistance and high strength, making them ideal for marine applications. Offshore platforms, marine vessels, and underwater equipment often utilize duplex stainless steel round bars. 5. Nickel Alloy Round Bars: Nickel alloy round bars are particularly notable for their exceptional resistance to corrosion and ability to withstand high-temperature environments. They are crucial in marine applications where strength, durability, and resistance to corrosive elements are essential. Marine valves, pumps, and heat exchangers frequently employ nickel alloy round bars. Each type of steel round bar used in the marine industry possesses its own unique properties and advantages. The selection of the appropriate steel round bar depends on the specific requirements and application of the marine project.

Q:How do you calculate the cross-sectional area of a steel round bar?: To calculate the cross-sectional area of a steel round bar, you can use the formula A = πr², where A represents the cross-sectional area and r is the radius of the round bar.

Q:How do steel round bars compare to fiberglass or composite bars?: Steel round bars and fiberglass or composite bars exhibit distinct differences in their properties and applications. Strength and Durability: Steel round bars possess exceptional strength and durability, boasting a high tensile strength that enables them to withstand heavy loads and stress. Conversely, fiberglass or composite bars possess a favorable strength-to-weight ratio but generally lack the same level of strength as steel bars. They may be more susceptible to bending or breaking under high pressure or impact. Weight: A significant disparity exists in weight between steel bars and fiberglass or composite bars. This contrast can prove advantageous in certain applications where additional weight is necessary for stability or to counteract external forces. Conversely, situations that prioritize weight reduction, such as in the aerospace or automotive industries, favor fiberglass or composite bars due to their lightweight nature. Corrosion Resistance: Steel bars are prone to corrosion, particularly when exposed to moisture or harsh environments. Consequently, they necessitate regular maintenance and protective coatings to prevent rusting. In contrast, fiberglass or composite bars inherently possess corrosion-resistant properties, rendering them suitable for applications prevalent in marine or chemical industries that often involve exposure to corrosive elements. Electrical Conductivity: Steel round bars boast electrical conductivity, which proves advantageous in specific applications requiring electrical grounding or conductivity. Fiberglass or composite bars, by contrast, are non-conductive and preferred in situations necessitating electrical insulation, such as in electrical installations or sensitive electronic systems. Cost: Steel bars generally offer a more cost-effective solution compared to fiberglass or composite bars. The abundance of raw materials for steel production contributes to their affordability in most cases. Conversely, fiberglass or composite bars involve intricate manufacturing processes and the utilization of specialized materials, leading to higher production costs. In conclusion, steel round bars are favored for their strength, durability, and cost-effectiveness, finding widespread use in construction, manufacturing, and infrastructure projects. Conversely, fiberglass or composite bars present advantages in weight reduction, corrosion resistance, and electrical insulation, frequently finding application in industries that prioritize these properties. The selection between the two hinges upon the specific requirements and conditions of the project or industry.

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