Hot Rolled Alloy Structural Steel Round Bar SCM435

Hot Rolled Alloy Structural Steel Round Bar SCM435 System 1

Hot Rolled Alloy Structural Steel Round Bar SCM435 System 2

Hot Rolled Alloy Structural Steel Round Bar SCM435 System 3

Hot Rolled Alloy Structural Steel Round Bar SCM435 System 4

Hot Rolled Alloy Structural Steel Round Bar SCM435

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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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Material:	30CrMoV, 4135, SCM435, 34CrMo4, 1.7220
Diameter:	10mm-700mm
Length:	3000mm-12000mm Straightness: 3mm/M max
Process:	EAF + LF + VD + Forged + Heat Treatment (optional)
Delivery condition:	Hot forged +Rough machined (black surface after Q/T)+ Turned (optional)
Delivery Time:	30-45 days
MOQ:	1 tons
Heat treatment:	Normalized / Annealed / Quenched / tempered
Technical Data:	According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing
Test:	Ultrasonic test according to SEP 1921-84 G3 C/c
Marking:	Grade, heat NO. length will be stamped one each bar with required color
Payment:	30% advance by T\T, the balance against B/L
Application:	Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.

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 are the different surface treatments available for stainless steel round bars?: There are various surface treatments available for stainless steel round bars, including pickling, passivation, polishing, and coating.

Q:Can steel round bars be used for making interior components?: Indeed, the utilization of steel round bars in the creation of interior components is viable. Steel, being both sturdy and adaptable, can be molded and fashioned into a plethora of different designs and structures. Specifically, round bars are exceptionally well-suited for crafting interior components including handrails, staircases, furniture frames, and decorative elements. They offer not only robustness and stability, but also an appealing aesthetic to interior spaces. Moreover, steel round bars can be effortlessly welded, bent, or cut to fulfill particular design specifications, rendering them an optimal selection for bespoke interior components.

Q:What are the different types of steel round bar surface finishes for improved cleanliness?: There are several types of steel round bar surface finishes that can help improve cleanliness. Some common finishes include hot rolled, cold drawn, turned and polished, and ground finishes. These finishes remove surface impurities and provide a smoother and cleaner surface, making the steel round bar more suitable for various applications.

Q:Can steel round bars be used for making bicycle frames or handlebars?: Yes, steel round bars can be used for making bicycle frames or handlebars. Steel is a commonly used material in bicycle manufacturing due to its strength, durability, and affordability. Round bars made of steel provide excellent rigidity and stability, which are essential for ensuring the structural integrity of a bicycle frame or handlebars. Additionally, steel has a high tensile strength, allowing it to withstand the stresses and strains experienced during cycling. It is worth noting that different types of steel, such as chromoly steel, may be preferred for bicycle frames and handlebars as they offer specific advantages such as improved strength-to-weight ratio. However, in general, steel round bars are a suitable choice for constructing bicycle frames and handlebars.

Q:How do steel round bars compare to stainless steel round bars?: Steel round bars and stainless steel round bars differ in terms of their composition and properties. Steel round bars are made of carbon steel, which contains varying amounts of carbon and other alloys. They are generally more affordable and widely available, but may be susceptible to corrosion. On the other hand, stainless steel round bars are made of an alloy that contains a higher percentage of chromium. This addition of chromium enhances the corrosion resistance of stainless steel, making it suitable for applications in environments with high moisture or exposure to chemicals. Although stainless steel round bars may be more expensive, they offer superior durability and a polished appearance. Overall, the choice between steel and stainless steel round bars depends on the specific requirements of the application, such as strength, corrosion resistance, and cost-effectiveness.

Q:What is the standard length of a steel round bar?: The standard length of a steel round bar varies depending on the manufacturer and the specific application. However, common standard lengths range from 6 to 12 feet (1.8 to 3.6 meters).

Q:How are steel round bars used in the manufacturing of valves and fittings?: Steel round bars are commonly used in the manufacturing of valves and fittings due to their strength, durability, and versatility. These round bars serve as the primary raw material for various components of valves and fittings. One crucial application of steel round bars in valve manufacturing is the production of valve stems. Valve stems are responsible for controlling the flow of fluids or gases through the valve. The round bars are machined and threaded to create the stem, which connects to the valve disc or plug. Steel round bars are chosen for this purpose because of their high tensile strength, which ensures the stem can withstand the pressure and torque required to operate the valve. In fittings manufacturing, steel round bars are commonly used to produce threaded connectors, nipples, and couplings. These components are essential for joining pipes or tubes together, allowing for fluid or gas transfer in various systems. Steel round bars are easily machinable, enabling manufacturers to create precise threads and shapes required for these fittings. Furthermore, steel round bars are also used to fabricate the body or housing of valves and fittings. The bars can be cut, forged, or machined into the desired shape, providing a sturdy and reliable structure for the valve or fitting. The use of steel in the body ensures the component's ability to withstand high pressures, temperature variations, and corrosive environments. Overall, steel round bars play a vital role in the manufacturing of valves and fittings. Their strength, durability, and machinability make them an excellent choice for creating critical components such as valve stems, threaded connectors, and the bodies of valves and fittings.

Q:What is the difference between a centerless ground and a polished steel round bar?: Both a centerless ground steel round bar and a polished steel round bar are types of steel bars that have undergone different finishing processes, resulting in unique qualities and characteristics. To produce a centerless ground steel round bar, the surface of the steel bar is ground using a specialized machine called a centerless grinder. This process effectively eliminates any imperfections or irregularities on the surface, resulting in a smooth and uniform finish. Additionally, the centerless grinding process ensures that the diameter of the bar remains consistent throughout its length. As a result, centerless ground steel round bars are ideal for applications that require precise dimensions and a smooth surface, such as machining operations or as a base material for further processing. On the contrary, a polished steel round bar is achieved through a polishing process, in which the surface of the steel bar is buffed and polished using abrasive materials. This process enhances the aesthetic appearance of the steel bar, giving it a shiny and reflective surface. Unlike centerless grinding, polishing does not involve the removal of material from the surface, but rather focuses on smoothing and refining it. As a result, polished steel round bars are commonly used in decorative applications, such as architecture, interior design, or as components in high-end furniture. In conclusion, the main distinction between a centerless ground steel round bar and a polished steel round bar lies in the finishing process. Centerless grinding focuses on achieving precise dimensions and a smooth surface, making it suitable for functional applications. On the other hand, polishing aims to enhance the visual appeal of the steel bar, making it more suitable for decorative purposes.

Q:Can steel round bars be machined easily?: Yes, steel round bars can be machined easily due to their excellent machinability properties.

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.

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