Alloy Steel SCM435 Round Bars

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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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GB	DIN	AISI	JIS
35CrMo	1.7220	4135	SCM345

C	Si	Mn	Cr	Mo	Ni	Cu	P	S
0.32-0.40	0.17-0.37	0.40-0.70	0.80-1.00	0.15-0.25	≤0.030	≤0.030	≤0.035	≤0.035

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.

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 difference between a peeled and a centerless ground steel round bar?: A peeled steel round bar involves the removal of the outer surface to achieve a smooth and precise finish. This is typically done using a peeling machine. The purpose of this process is to eliminate any imperfections or scale on the bar's surface, resulting in a polished appearance. Additionally, the peeled round bar goes through a sizing process to ensure accurate dimensions. This makes it suitable for various applications where a smooth surface and precise dimensions are important. In contrast, a centerless ground steel round bar is achieved through the use of a centerless grinding machine. This process entails feeding the bar through grinding wheels that rotate at different speeds. Material is removed from the outer diameter of the bar to attain the desired size and surface finish. Centerless grinding offers tight tolerances and precise sizing, making it suitable for applications that demand high precision and accuracy. In summary, the primary distinction between a peeled and a centerless ground steel round bar lies in the method employed to achieve the desired surface finish and dimensional accuracy. While both processes result in a smooth and precise bar, peeling eliminates material from the outer surface, whereas centerless grinding removes material from the outer diameter. The choice between the two depends on the specific requirements of the application, as well as the desired surface finish and dimensional accuracy.

Q:How are steel round bars used in the manufacturing of hydraulic cylinders?: Steel round bars are a crucial component in the manufacturing of hydraulic cylinders due to their strength, durability, and versatility. These round bars are typically made from carbon steel, alloy steel, or stainless steel, which are all known for their high tensile strength and resistance to corrosion. The first step in using steel round bars for hydraulic cylinders is the selection of the appropriate diameter and length. The diameter of the round bar determines the overall strength of the hydraulic cylinder, and the length determines its size and capacity. Once the desired dimensions are determined, the steel round bars are cut to the required length using specialized cutting tools. Next, the steel round bars undergo a series of processes to shape them into the necessary components of a hydraulic cylinder. This includes machining, drilling, and turning operations to create features such as threaded ends, grooves, and mounting surfaces. These processes are carried out with precision to ensure the round bars meet the exact specifications of the hydraulic cylinder design. After the shaping processes, the steel round bars are heat-treated to enhance their mechanical properties. Heat treatment involves heating the round bars to a specific temperature and then rapidly cooling them to achieve the desired hardness, toughness, and dimensional stability. This step is crucial in ensuring the hydraulic cylinders can withstand the high pressures and forces they will encounter during operation. Once the steel round bars have been shaped and heat-treated, they are further processed to achieve the desired surface finish. This can involve processes such as grinding, polishing, or coating to improve the round bars' appearance and resistance to corrosion. The surface finish is important for ensuring smooth operation and preventing any potential leaks or damage to the hydraulic cylinder. Finally, the steel round bars are assembled with other components such as piston rods, cylinder heads, and seals to complete the hydraulic cylinder. These assemblies are carried out using advanced welding or fastening techniques to ensure the components are securely attached and can withstand the forces and pressures exerted during hydraulic operation. In summary, steel round bars play a vital role in the manufacturing of hydraulic cylinders by providing the necessary strength, durability, and versatility required for these critical components. From the initial selection of the appropriate diameter and length to the shaping, heat treatment, and assembly processes, the use of steel round bars ensures the hydraulic cylinders can effectively transmit hydraulic power while withstanding the demanding conditions they are designed for.

Q:What is the difference between the heat treatment of cold drawn round steel and the heat treatment of wrought round steel?: Solution treatment: the alloy can be dissolved in various phases, strengthening solid solution, improving toughness and corrosion resistance, eliminating stress and softening, so as to continue processing and forming.

Q:Can steel round bars be used for making pipelines?: Yes, steel round bars can be used for making pipelines. Steel is a widely used material for pipelines due to its strength, durability, and resistance to corrosion. Round bars, which are cylindrical in shape, can be easily fabricated and welded together to form pipelines of various sizes and lengths. The steel round bars used for pipelines are typically made from carbon steel or alloy steel, which have high tensile strength and can withstand high pressure and temperature conditions. Additionally, steel round bars can be coated with protective layers such as epoxy or polyethylene to further enhance their resistance to corrosion. Overall, steel round bars provide a reliable and efficient option for constructing pipelines in various industries such as oil and gas, water supply, and construction.

Q:Can steel round bars be forged?: Indeed, it is possible to forge steel round bars. The act of forging entails subjecting the steel to elevated temperatures and subsequently molding it by exerting pressure using either a forging hammer or press. In the realm of forging procedures, steel round bars frequently find application in fabricating diverse forms and items, including tools, automotive components, and machinery parts. The intense heat generated during the forging process endows the steel with enhanced malleability, rendering it more pliable and amenable to shaping, thereby yielding a final product that is robust and long-lasting.

Q:Can I use steel bar instead of steel bar?: Important stress parts should not be adopted. Reinforced surface made of thread, herringbone bond force is increased to crescent, steel and concrete, reinforced some parts if it is ends with a ribbed design can not bend, it is possible to design directly paste up, it is best to ask the design unit.

Q:Can steel round bars be used in food processing applications?: No, steel round bars should not be used in food processing applications. Steel round bars are typically made from carbon steel, which can contain impurities and may not meet the necessary standards for food safety. In food processing applications, it is important to use materials that are specifically designed and approved for contact with food, such as stainless steel. Stainless steel has a higher resistance to corrosion, is easier to clean, and does not react with food or alter its taste. Therefore, it is recommended to use stainless steel round bars or other food-grade materials for food processing applications to ensure the safety and integrity of the food being processed.

Q:What is the difference between a polished and a precision ground steel round bar?: A polished steel round bar refers to a bar that has undergone a polishing process to achieve a smooth and shiny surface finish. This process involves using abrasive materials to remove any imperfections or roughness on the surface of the bar. The end result is a visually appealing bar with a high level of aesthetic appeal. On the other hand, a precision ground steel round bar is a bar that has been precisely ground to achieve tight dimensional tolerances and a smooth surface finish. This grinding process involves removing material from the surface of the bar using grinding wheels or other cutting tools. The purpose of precision grinding is to ensure that the bar meets specific size and shape requirements, making it suitable for use in applications that demand precise dimensions and tight tolerances. In summary, the main difference between a polished and a precision ground steel round bar lies in the purpose of the respective finishing processes. Polishing is primarily done for aesthetic reasons, enhancing the appearance of the bar, while precision grinding focuses on achieving precise dimensions and tight tolerances to meet specific technical requirements.

Q:Can steel round bars be heat treated to improve their mechanical properties?: Yes, steel round bars can be heat treated to improve their mechanical properties. Heat treatment involves heating the steel to a specific temperature and then cooling it at a controlled rate. This process can alter the microstructure of the steel, resulting in improved hardness, strength, and toughness. Different heat treatment methods, such as quenching and tempering, can be applied depending on the desired mechanical properties.

Q:How do steel round bars perform under cyclic loading?: Steel round bars generally perform well under cyclic loading due to their high strength and ductility. The ability of steel to withstand repeated loading and unloading without significant deformation or failure makes it suitable for applications where cyclic loading is present, such as in structural engineering, automotive components, and machinery. However, the performance of steel round bars under cyclic loading also depends on factors like the quality of the steel, design considerations, and the magnitude and frequency of the cyclic loading.

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