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: Can steel round bars be used in the manufacturing of gears?: Yes, steel round bars can be used in the manufacturing of gears. Steel round bars are commonly used in gear manufacturing due to their high strength, durability, and resistance to wear and tear. The round shape of the bar allows for easy machining and shaping into the desired gear design. Steel round bars also have excellent mechanical properties, such as high tensile strength and good fatigue resistance, which are essential for gears that experience heavy loads and repetitive motions. Additionally, steel round bars can be heat-treated to further enhance their hardness and toughness, making them suitable for demanding gear applications. Overall, steel round bars are a popular choice in gear manufacturing due to their versatility and reliability.

Q: What are the different types of steel round bar surface defects?: Steel round bars can exhibit various types of surface defects. Among the most common defects are: 1. Scale: This defect arises from the formation of a thin layer of oxide on the steel's surface during manufacturing. It presents as a rough, flaky, or scaly texture and can be easily eliminated through pickling or abrasive cleaning. 2. Pitting: Localized corrosion manifests as small, shallow holes or depressions on the steel's surface. It is usually caused by exposure to corrosive substances or environments and can weaken the material if left unaddressed. 3. Surface cracks: These visible cracks appear on the surface of the steel round bar and can be attributed to factors like improper cooling during manufacturing, excessive stress, or mishandling. Surface cracks can compromise the steel's structural integrity and necessitate careful inspection and repair. 4. Decarburization: This defect occurs when the steel's surface layer loses carbon content, resulting in reduced hardness and strength. High temperatures during heat treatment or inadequate cooling methods often cause decarburization. It can be identified through visual inspection or hardness tests. 5. Lamination: Lamination defects arise when layers or flakes are present within the steel round bar. These layers can weaken the material and compromise its structural integrity. Improper rolling or excessive impurities in the steel are typically responsible for lamination defects. 6. Inclusions: During the manufacturing process, foreign materials or impurities can become trapped within the steel, resulting in inclusions. These can appear as dark spots, streaks, or irregular shapes on the round bar's surface. Inclusions reduce the steel's strength and ductility and can be caused by factors such as poor raw material quality or insufficient refining processes. It is crucial to note that the severity and impact of surface defects on steel round bars can vary. Regular inspection and quality control measures are essential for identifying and rectifying any surface defects, ensuring the reliability and integrity of the steel round bar.

Q: How do steel round bars compare to other materials in terms of strength?: Steel round bars are highly sought after in various industries due to their exceptional strength. When compared to other materials, steel round bars consistently outperform alternative options in terms of strength. This is primarily attributed to the unique properties of steel, such as its high tensile strength and toughness. In contrast to materials like aluminum or plastic, steel round bars offer unparalleled strength and durability. Steel possesses a significantly higher tensile strength, enabling it to withstand greater amounts of tension without deforming or breaking. This characteristic makes steel round bars ideal for applications that necessitate structural support or load-bearing capabilities. Additionally, steel round bars display excellent resistance to bending, shearing, and impact. This resilience allows them to endure heavy loads, vibrations, and external forces, rendering them suitable for use in industries such as construction, automotive, and manufacturing. Moreover, steel's high strength-to-weight ratio makes it an advantageous choice in weight-sensitive applications like aerospace or transportation. Furthermore, steel round bars can be engineered to possess specific properties, such as heat resistance or corrosion resistance. This further enhances their strength and versatility. By alloying steel with elements like chromium or nickel, it can acquire resistance to rust, oxidation, and other forms of deterioration. Consequently, this extends its lifespan and maintains its strength over time. In conclusion, steel round bars excel in terms of strength when compared to other materials. Their exceptional tensile strength, toughness, resistance to bending and impact, and ability to be tailored for specific applications make them a preferred choice in numerous industries.

Q: What is the maximum elongation of steel round bars?: The maximum elongation of steel round bars depends on various factors such as the type of steel, its composition, and the manufacturing process. However, in general, steel round bars can have elongation values ranging from 10% to 30% before they reach their maximum limit and start to deform permanently.

Q: Can steel round bars be used in the construction equipment industry?: Yes, steel round bars are commonly used in the construction equipment industry. Steel round bars are known for their strength, durability, and versatility, making them suitable for various applications in construction equipment. They can be used to manufacture components such as axles, shafts, pins, and fasteners. The high strength of steel round bars ensures that the construction equipment can withstand heavy loads and harsh working conditions. Additionally, steel round bars can be easily machined and welded, allowing manufacturers to create complex and customized designs for construction equipment. Overall, steel round bars are widely utilized in the construction equipment industry due to their exceptional mechanical properties and ability to enhance the performance and longevity of the equipment.

Q: What are the different cutting methods used for steel round bars?: There are several cutting methods commonly used for steel round bars, depending on the specific requirements and the tools available. Some of the most common cutting methods for steel round bars include: 1. Sawing: Sawing is a traditional cutting method that involves using a saw blade to cut through the steel round bar. This method is commonly used for smaller diameter round bars and is relatively simple and cost-effective. 2. Abrasive Cutting: Abrasive cutting involves using an abrasive wheel or disc to grind through the steel round bar. This method is particularly effective for cutting thicker and harder steel bars. It is commonly used in industrial applications where precision and speed are required. 3. Plasma Cutting: Plasma cutting is a thermal cutting method that uses a high-velocity jet of ionized gas to melt and remove the metal. This method is suitable for cutting steel round bars of various thicknesses and is known for its speed and precision. 4. Laser Cutting: Laser cutting is a precise and efficient cutting method that uses a high-powered laser beam to melt and vaporize the metal. This method is commonly used for cutting complex shapes and patterns in steel round bars. 5. Waterjet Cutting: Waterjet cutting involves using a high-pressure stream of water mixed with an abrasive material to cut through the steel round bar. This method is highly versatile and can cut through various thicknesses and types of steel. 6. Shearing: Shearing is a cutting method that involves using a specialized machine with blades to cut through the steel round bar. This method is commonly used for cutting smaller diameter round bars and is known for its speed and accuracy. It is important to carefully consider the specific requirements of the project and consult with experts to determine the most suitable cutting method for steel round bars.

Q: What are the advantages of using precipitation-hardening steel round bars?: There are several advantages of using precipitation-hardening steel round bars. Firstly, these bars offer high strength and toughness, making them suitable for applications that require heavy load-bearing capacity. Secondly, they have excellent corrosion resistance, making them ideal for use in harsh environments or exposed to corrosive elements. Additionally, precipitation-hardening steel round bars can be easily machined and formed into various shapes, providing versatility in design and manufacturing. Lastly, these bars possess good dimensional stability, ensuring consistent performance and reliable results in critical applications.

Q: Can steel round bars be used as axles or shafts?: Yes, steel round bars can be used as axles or shafts due to their high strength, durability, and ability to withstand heavy loads and torque. They are commonly used in various industries such as automotive, marine, and construction for their excellent mechanical properties and reliability.

Q: What are the different types of steel round bar alloys for improved corrosion resistance?: There are several different types of steel round bar alloys that offer improved corrosion resistance. Some common examples include stainless steel alloys such as 304, 316, and 410, which contain chromium and nickel to create a protective layer against corrosion. Additionally, weathering steel alloys like ASTM A588 and A709 are known for their ability to develop a rust-like appearance that acts as a protective barrier. Other options include duplex stainless steels, which combine the benefits of austenitic and ferritic alloys, and high-alloy steels like Inconel and Hastelloy, which are highly resistant to corrosion in extreme environments.

Q: What is the weight of a steel round bar?: The weight of a steel round bar is determined by its dimensions, specifically its diameter and length. You can determine the weight using the formula: weight = volume × density. To determine the volume of the steel round bar, you can use the formula for the volume of a cylinder: volume = π × (diameter/2)^2 × length. Here, π represents a mathematical constant approximately equal to 3.14159. The density of steel varies depending on the type and grade, but it typically falls around 7.85 grams per cubic centimeter (g/cm³) or 7850 kilograms per cubic meter (kg/m³). By substituting the appropriate values into the formula, you can calculate the weight of the steel round bar in the desired unit, such as grams, kilograms, pounds, and so on.

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