Alloy Steel SCr420H AISI 5120

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 120000 m.t./month

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C	Si	Mn	Cr	S	P	Ni	Cu
0.18~0.24	0.17~0.37	0.50~0.80	0.70~1.00	≤0.035	≤0.035	≤0.030	≤0.030

Description	Carbon Steel Rod/Carbon Steel Bar,carbon steel rod,carbon steel shaft,mild steel bar, Mild steel shaft,ms bar
Material	ASTM	1005, 1006, 1008, 1010, 1015, 1020, 1025, 1030, 1035, 1040, 1045, 1050, 1055, 1060, 1065, 1070, 1080, 1084, 1016, 1022
DIN	Ck10, Ck15, Ck22, Ck25, Ck30, Ck35, Ck40,Ck45, Ck50, 30Mn4, 40Mn4
BS	040A04, 095M15, 045M10, 080A40, 045M10, 080M50
JIS	S09CK, S9CK, S10C, S15C, S20C, S25C, S30C, S35C, S40C, S45C, S50C, S55C, S58C, SB45, S30C, S40C, S45C, S53C
Standard	GB/T799, ASTM A29, A108, A321, A575, BS970, DIN1652, JIS G4051
Section shape	Round, square, hexagonal, flat, angle
Surface	Black painted, galvanized
Specifications	Round bar	Diameter: 4mm~1200mm
Angle bar	Size: 3mm20mm20mm~12mm800mm800mm
Square bar	Size: 4mm4mm~100mm100mm
Flat bar	Thickness: 2mm~100mm
Width: 10mm~500mm
Hexagonal	Size: 4mm~800mm
Length	2m, 4m, 5.8m, 6m, 11.8m, 12m or as required.

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: Can steel round bars be used for valve stem applications?: Yes, steel round bars can be used for valve stem applications. Steel round bars are commonly used in various industrial applications due to their high strength and durability. In valve stem applications, steel round bars are often used to provide stability and structural support to the valve stem, ensuring smooth operation and long-term performance. Additionally, steel round bars can be easily machined and fabricated to meet specific requirements, making them a versatile choice for valve stem applications.

Q: What are the different grades of steel used in round bars?: The different grades of steel used in round bars vary depending on the desired properties and applications. Some common grades include mild steel (low carbon steel), stainless steel, alloy steel, and tool steel. Each grade offers specific characteristics such as strength, corrosion resistance, hardness, or machinability, allowing for a wide range of applications in industries like construction, manufacturing, automotive, and aerospace.

Q: What are the different packaging options for steel round bars?: There are several packaging options available for steel round bars, depending on the specific needs and requirements of the customer. Some of the common packaging options include: 1. Bundles: Steel round bars are often bundled together using steel straps or wire to create a compact and secure package. Bundles can vary in size, with common options being 2, 3, 4, or 5 tons. This packaging option is suitable for transportation and storage purposes. 2. Wooden Crates: For added protection during transportation, steel round bars can be packed in wooden crates. These crates are designed to withstand the weight and size of the bars, ensuring safe delivery to the customer. 3. Steel Cages: In some cases, steel round bars are packaged in steel cages or racks to provide additional stability and security during transportation. These cages are typically made of sturdy steel and are stackable, making them suitable for storage purposes as well. 4. Plastic Wrapping: To protect the steel round bars from moisture, dust, and other contaminants, they can be wrapped in plastic or shrink wrap. This packaging option is commonly used when the bars are stored or transported in open-air environments. 5. Customized Packaging: Depending on the customer's specific requirements, steel round bars can be packaged in custom-designed containers or crates. These can be tailored to accommodate different sizes, weights, and quantities of bars, ensuring maximum convenience and safety during handling and transportation. It is important to note that the choice of packaging option may vary depending on factors such as the destination, mode of transportation, and specific industry standards. Therefore, it is advisable for customers to consult with their suppliers or packaging experts to determine the most suitable packaging option for their steel round bars.

Q: Can steel round bars be threaded?: Steel round bars have the capability to be threaded, which involves cutting threads onto the surface of the cylindrical object in order to create a screw-like shape. This enables the bar to be securely fastened into a corresponding threaded hole or to be joined with another threaded component. Threading can be accomplished through various methods, such as manual threading with a die or by employing machine tools like lathes or thread rolling machines. The specific technique utilized depends on the desired thread size and type. However, it is vital to recognize that not all steel round bars are compatible with threading, as the steel's material composition and hardness can impact the threading process. As a result, it is advisable to seek guidance from a professional or someone experienced to ensure the steel round bar is appropriate for threading and to determine the most suitable threading approach.

Q: What is the composition of steel round bars?: Steel round bars are typically composed of iron and carbon, with small amounts of other elements such as manganese, silicon, and sulfur. The exact composition can vary depending on the specific grade and intended use of the steel.

Q: How do you measure the length of a steel round bar?: In order to determine the length of a steel round bar, one must utilize a measuring tool, specifically a tape measure or ruler. Firstly, it is important to confirm that the bar is positioned upon a level surface. Subsequently, align the zero mark of the tape measure or ruler with one extremity of the bar. Steadily hold the measuring tool against the bar and proceed to extend it along the entire span until reaching the opposing end. Pay close attention to the measurement displayed on the tape measure or ruler at the precise point where the other end of the bar lines up. This measurement denotes the length of the steel round bar.

Q: How do you know the diameter and weight of a round bar?: The weight divided by the length is the bottom area of 2, Wu R - is the bottom area. The diameter is equal to 2R

Q: What is the typical lead time for manufacturing steel round bars?: The typical lead time for manufacturing steel round bars can vary depending on various factors such as the size and quantity of the bars, the complexity of the manufacturing process, and the production capacity of the manufacturer. In general, lead times for manufacturing steel round bars can range from a few days to several weeks. For standard sizes and quantities, the lead time is usually shorter as manufacturers often have these readily available in stock. However, for custom orders or larger quantities, the lead time may be longer as it involves additional processes such as sourcing raw materials, cutting, heat treating, and quality control checks. It is important to note that lead times can also be influenced by market demand and the manufacturer's production schedule. During periods of high demand or limited production capacity, lead times may be extended. Alternatively, if there is low demand or surplus production capacity, lead times can be shorter. To get an accurate estimate of the lead time for manufacturing steel round bars, it is recommended to contact specific manufacturers or suppliers directly. They will be able to provide more precise information based on their capabilities and current workload.

Q: What are the different types of defects that can occur in steel round bars?: Some common types of defects that can occur in steel round bars include surface defects such as cracks, pits, and scratches, as well as internal defects like inclusions, segregation, and porosity. Additionally, steel round bars can also experience dimensional defects such as ovality, taper, and straightness issues.

Q: Can steel round bars be used for tooling applications?: Steel round bars can indeed be used for tooling applications. Steel is a highly versatile material that possesses excellent strength, durability, and resistance to wear and tear. Round bars made of steel can be machined, heat treated, and shaped to create various tools such as punches, dies, drills, and lathe tools. The round shape of the bars allows for easy machining and shaping processes. Additionally, steel round bars can be further enhanced with surface treatments or coatings to improve their performance in specific tooling applications. Overall, steel round bars are commonly used in tooling applications due to their excellent mechanical properties and adaptability.

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