Alloy Steel AISI 5120 SCr420H

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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: What are the different types of steel round bars used in the manufacturing of valves and fittings?: There are several different types of steel round bars commonly used in the manufacturing of valves and fittings. These include: 1. Carbon Steel Round Bars: Carbon steel round bars are the most commonly used type of steel in valve and fitting manufacturing. They are known for their strength, durability, and ability to withstand high temperatures and pressures. 2. Stainless Steel Round Bars: Stainless steel round bars are highly resistant to corrosion, making them ideal for use in valves and fittings that come into contact with liquids or gases. They are also known for their high strength and excellent mechanical properties. 3. Alloy Steel Round Bars: Alloy steel round bars are made by adding various alloying elements such as chromium, manganese, and nickel to carbon steel. This enhances their strength, hardness, and resistance to wear and tear, making them suitable for use in demanding valve and fitting applications. 4. Duplex Steel Round Bars: Duplex steel round bars are a type of stainless steel that contains a balanced mix of ferrite and austenite phases. This gives them a unique combination of excellent strength, corrosion resistance, and resistance to stress corrosion cracking, making them suitable for use in valves and fittings exposed to harsh environments. 5. Nickel Alloy Round Bars: Nickel alloy round bars are known for their exceptional resistance to corrosion and high-temperature applications. They offer excellent mechanical properties and are commonly used in valves and fittings that handle corrosive fluids or operate in extreme temperatures. It is important to select the appropriate type of steel round bar for valve and fitting manufacturing based on the specific requirements of the application, considering factors such as pressure, temperature, fluid compatibility, and environmental conditions.

Q: Can steel round bars be used in the production of sporting goods?: Yes, steel round bars can be used in the production of sporting goods. Steel is a versatile material known for its strength and durability, making it suitable for various applications in the sporting goods industry. Steel round bars can be used to create components such as shafts, handles, frames, and supports in sporting equipment like golf clubs, hockey sticks, weightlifting bars, and exercise equipment. The high tensile strength of steel ensures that these components can withstand the forces and pressures exerted during sports activities, providing stability and longevity to the products. Moreover, steel round bars can be easily machined, welded, and molded into different shapes and sizes according to the specific requirements of each sporting good. Steel's corrosion resistance properties also make it ideal for outdoor sporting equipment that is exposed to various weather conditions. Overall, steel round bars are a popular choice in the production of sporting goods due to their strength, durability, versatility, and ability to withstand the demands of different sports.

Q: How are steel round bars used in the manufacturing of material handling equipment?: Steel round bars are commonly used in the manufacturing of material handling equipment due to their strength and durability. These bars are often used as components in the construction of various equipment, such as cranes, forklifts, conveyors, and hoists. One of the primary applications of steel round bars in material handling equipment is for the construction of load-bearing structures. For example, in cranes and hoists, steel round bars are used to create the mast, boom, and jib, which need to withstand heavy loads and provide stability. The high tensile strength and resistance to bending of steel make it an ideal choice for these critical components. Additionally, steel round bars are used for shafts and axles in material handling equipment. These components play a crucial role in transmitting power and torque, allowing the equipment to operate efficiently. Steel's ability to withstand high stress and torsional forces makes it a suitable material for these applications. Another common use of steel round bars in material handling equipment is for the fabrication of lifting attachments and hooks. These bars are often shaped and welded to create the required lifting mechanism, ensuring that they can safely lift and transport heavy loads. The strength and rigidity of steel make it capable of withstanding the forces exerted during lifting operations. Furthermore, steel round bars are used in the manufacturing of conveyor systems. These bars are utilized as rollers or shafts to support and guide the movement of materials along the conveyor belts. The smooth surface of the steel bars reduces friction, allowing for efficient material handling. In summary, steel round bars play a vital role in the manufacturing of material handling equipment. Their strength, durability, and versatility make them suitable for various applications, including load-bearing structures, shafts, lifting attachments, and conveyor systems.

Q: Can steel round bars be used for making electrical system components?: Yes, steel round bars can be used for making electrical system components. Steel is a versatile material that has many applications in various industries, including electrical engineering. While other materials like copper are commonly used for electrical components due to their high electrical conductivity, steel can still be utilized for certain parts of an electrical system. Steel round bars can be used to manufacture structural components, supports, enclosures, or mounting brackets for electrical devices. Additionally, steel's durability, strength, and resistance to corrosion make it a suitable choice for electrical system components that require robust construction or protection from environmental factors. However, it is important to note that steel is not a good conductor of electricity compared to materials like copper or aluminum, so it may not be suitable for components that require high electrical conductivity.

Q: Which is stronger, steel pipe or round steel? Which is good at bending?: Round bars are, of course, more powerful, but not much higher.

Q: What are the safety precautions when handling steel round bars?: To minimize the chance of accidents or injuries, it is important to adhere to several safety precautions when dealing with steel round bars. 1. Personal Protective Equipment (PPE) should always be worn. Safety goggles, gloves, steel-toed boots, and a hard hat are essential in safeguarding against potential hazards like flying debris, sharp edges, and heavy objects. 2. Proper lifting and carrying techniques are crucial. Due to the weight and bulkiness of steel round bars, it is vital to employ correct lifting methods to prevent strain or injury. Lift with your legs, maintain a straight back, and avoid twisting or jerking movements. If the bars are too heavy, seek assistance or employ mechanical aids like forklifts or cranes. 3. Ensure secure storage and stacking. Properly securing and organizing steel round bars when storing or stacking them is imperative. Use appropriate storage racks or A-frames to prevent tipping or falling, which could result in severe injuries. When stacking multiple bars, employ spacers or shims to maintain stability. 4. Be cautious of sharp edges. Steel round bars might possess sharp edges or burrs, necessitating care when handling. Wearing gloves is advised to protect your hands, and avoid dragging or sliding the bars to prevent cuts or abrasions. 5. Employ proper handling techniques. Maintain a firm grip when moving steel round bars and be aware of your surroundings. Do not swing or throw the bars, as they may strike someone or cause damage. Instead, walk slowly and steadily, ensuring clear pathways and ample space for maneuvering. 6. Inspect for defects. Prior to using steel round bars, examine them for any defects or damage that could compromise their structural integrity. Look for cracks, dents, or deformities. If any issues are detected, refrain from using the bars and report them to a supervisor or quality control personnel. 7. Observe fire safety measures. Steel round bars are highly flammable when exposed to extreme heat or sparks. Hence, avoid working near open flames or hot work areas. Keep fire extinguishers nearby and ensure that everyone is trained in fire safety protocols. By adhering to these safety precautions, the risks associated with handling steel round bars can be significantly minimized, creating a safer work environment.

Q: What are the advantages of using oil-hardening steel round bars?: There are several advantages of using oil-hardening steel round bars in various applications. Firstly, oil-hardening steel round bars offer excellent wear resistance. This means that they can withstand repeated contact with abrasive materials or surfaces without experiencing significant wear and tear. This makes them suitable for use in industries such as manufacturing, construction, and mining where materials are subject to high levels of wear. Secondly, oil-hardening steel round bars exhibit high strength and toughness. This means that they can withstand heavy loads and impacts without fracturing or deforming. This makes them ideal for applications that require materials with high structural integrity, such as in the production of machinery, tools, and equipment. Additionally, oil-hardening steel round bars have good machinability. This means that they can be easily shaped, cut, and formed into various components or parts without compromising their strength or performance. This makes them highly versatile and suitable for use in a wide range of manufacturing processes. Furthermore, oil-hardening steel round bars have excellent dimensional stability. This means that they are resistant to warping, twisting, or shrinking under different temperature conditions. This property ensures that the components or parts made from these bars maintain their original shape and dimensions, even when exposed to extreme temperature variations. Lastly, oil-hardening steel round bars are relatively cost-effective compared to other types of steel. They provide a balance between high performance and affordability, making them a popular choice in various industries. Overall, the advantages of using oil-hardening steel round bars lie in their excellent wear resistance, high strength and toughness, good machinability, dimensional stability, and cost-effectiveness. These properties make them a reliable and versatile material for a wide range of applications.

Q: Can steel round bars be heat treated for improved strength?: Yes, steel round bars can be heat treated to improve their strength. Heat treatment involves heating the steel to a specific temperature and then cooling it rapidly or slowly, depending on the desired outcome. This process can alter the microstructure of the steel, resulting in increased hardness, tensile strength, and other mechanical properties.

Q: Can steel round bars be used in the production of construction equipment?: Yes, steel round bars can be used in the production of construction equipment. Steel round bars are commonly used in the construction industry due to their strength, durability, and versatility. They can be used to manufacture various components of construction equipment such as axles, shafts, gears, and structural supports. The high tensile strength of steel round bars ensures that the equipment can withstand heavy loads and harsh operating conditions. Additionally, the machinability and weldability of steel round bars make them suitable for fabrication processes involved in the production of construction equipment. Overall, steel round bars are a reliable and commonly used material in the construction industry for manufacturing construction equipment.

Q: How can stainless steel rounds occur? Is it a quality problem?: Cracks caused by surface folding, cracks and steel surface of 15 degrees to 75 degrees angle, about 1.5 ~ 3.5mm, tail vortex shape, slightly decarburization on both sides, decarburization layer 0.15 ~ 0.25mm, crack in the presence of oxide scales. Its macro shape is in the surface of the round steel along the rolling direction into a straight line or zigzag, continuous or intermittent appear in the partial or full length of steel. This shows that this is a folding process in the process of rolling steel. Main reasons of folding is finished before the workpiece with a handleonapot; secondly, in the process of rolling each pass from the handle, flash, serious scratch, damage, and roll ring groove wear etc., can make the product surface folding; in addition, such as the serious defect of blank, if cleaning may also be caused by improper finished folding. Therefore, the main measures to reduce or avoid folding appear: pass through reasonable design, accurate estimation of the spread, precisely adjust the position of roller groove, reduce or eliminate the finished product before rolling the handle, flash, scratches and other defects; the serious defects of the blank surface carefully cleaned.

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