Alloy Steel Round Bars 41Cr4

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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Standard	DIN EN 10083-1
Grade	41Cr4
MOQ	25 Metric Ton
Diameter	8mm~1500mm
Length	6m,12m or as required.
Diameter Tolerance	As required
Condition of delivery	Hot rolled,Cold Rolled or as required.

Grade	Tensile Strength (Mpa)	Yield Strength (Mpa)	Elongation (%)	Reduction of Area (%)	Charpy Impact (J)	Hardness (HB)
35cd4	≥980	≥785	≥9	≥45	≥47	≤207

Grade	C	Cr	Si	Mn	P	S	Ni	Cu
41Cr4	0.37-0.44	0.80-1.10	0.17-0.37	0.50-0.80	≤0.035	≤0.035	≤0.30	≤0.30

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: How do you determine the hardness of a steel round bar?: To determine the hardness of a steel round bar, various methods can be used. One common method is the Rockwell hardness test. This test involves applying a minor load to the surface of the bar using a diamond or a hardened steel ball, followed by a major load. The depth of penetration of the minor and major loads is measured, and a hardness value is determined based on the difference between the two depths. Another method is the Brinell hardness test, which involves indenting the surface of the steel bar using a hardened steel ball under a specified load. The diameter of the resulting indentation is measured, and the hardness value is calculated based on the load and the diameter of the indentation. Alternatively, the Vickers hardness test can also be used. This test involves applying a diamond pyramid-shaped indenter to the surface of the steel bar under a specific load. The size of the indentation is measured, and the hardness value is determined based on the load and the surface area of the indentation. It is important to note that the specific method used to determine the hardness of a steel round bar depends on factors such as the type of steel and the desired accuracy of the measurement. Additionally, other factors such as heat treatment and composition can also affect the hardness of the steel bar, so it is essential to consider these factors when determining hardness.

Q: How do you calculate the shear strength of a steel round bar?: To calculate the shear strength of a steel round bar, you need to know its diameter and the material's shear modulus. The shear strength is determined by dividing the maximum load the bar can withstand before it shears by its cross-sectional area. The formula to calculate the shear strength is as follows: Shear Strength = Maximum Load / Cross-sectional Area To find the cross-sectional area, you need to calculate the area of a circle using the diameter of the round bar. The formula for the area of a circle is: Area = π * (Diameter/2)^2 Once you have the maximum load and the cross-sectional area, you can substitute these values into the shear strength formula to determine the shear strength of the steel round bar. It's important to note that the shear modulus is a critical factor in the calculation. The shear modulus represents the material's resistance to deformation and measures how much shear stress the material can withstand before it starts to deform. The shear modulus value can be obtained from reference materials or technical specifications provided by the manufacturer.

Q: Are steel round bars suitable for the production of axles?: Yes, steel round bars are suitable for the production of axles. Steel round bars are known for their high strength and durability, making them ideal for the heavy-duty requirements of axles. They can withstand the forces and stresses applied during operation, ensuring the axles can efficiently support and transmit the load. The round shape of the bars also allows for easy machining and forming into axles of various sizes and configurations.

Q: Can steel bars be replaced by large screws in the concrete floor?: Tensile strength, extensibility, yield point! The same thread can be used instead!Of course, the number of roots must also be the same ~ only specifications vary!

Q: Are steel round bars susceptible to corrosion?: Yes, steel round bars are susceptible to corrosion.

Q: What are the advantages of using high-strength steel round bars?: There are several advantages of using high-strength steel round bars. Firstly, high-strength steel round bars offer increased durability and toughness, allowing them to withstand heavy loads and resist deformation. This makes them ideal for applications that require high strength and structural stability, such as construction and manufacturing. Secondly, high-strength steel round bars have a higher yield strength, which means they can support greater loads without permanent deformation. This enables the use of smaller and lighter components, resulting in cost savings and improved efficiency. Additionally, high-strength steel round bars have better corrosion resistance, making them suitable for use in harsh environments or exposed to corrosive elements. Overall, the use of high-strength steel round bars provides superior strength, durability, and cost-effectiveness compared to other materials, making them a preferred choice in various industries.

Q: Are steel round bars suitable for use in the mining industry?: The mining industry finds steel round bars to be suitable for use. These bars are renowned for their strength and durability, making them an ideal choice for heavy-duty equipment and machinery in mining. They can be utilized in various ways, such as shafts, support beams, and structural components in underground mines, open-pit mines, and processing plants. The steel round bars have the capability to withstand high loads and pressures, enabling them to thrive in harsh mining environments. They possess excellent tensile strength and can endure extreme temperatures, resulting in resistance to wear, abrasion, and impact. This is especially valuable in mining operations where equipment is subjected to heavy loads, vibrations, and constant movement. Furthermore, the steel round bars are easily weldable, fabricated, and machined to meet specific requirements, making them versatile and adaptable for a wide range of mining applications. They can be customized in terms of size, length, and shape, ensuring a perfect fit for various mining equipment and structures. Beyond their strength and versatility, steel round bars also offer cost-effectiveness and long-term value. They have a long lifespan, require minimal maintenance, and can withstand the harsh conditions typically encountered in mining operations, reducing the need for frequent replacements or repairs. Overall, steel round bars are a reliable and suitable choice for the mining industry due to their strength, durability, versatility, and cost-effectiveness. They provide the necessary support and structural integrity required for mining operations, ensuring the safety and efficiency of the industry.

Q: Are steel round bars used in the automotive industry?: Steel round bars are widely utilized in the automotive industry. They find their application in diverse areas like the production of engine components, suspension systems, chassis, and axles. Due to their exceptional strength, durability, and versatility, steel round bars are highly favored for automotive parts that demand exceptional performance and reliability. Moreover, steel's capacity to endure heavy loads and its resistance to deformation make it well-suited for critical automotive applications prioritizing safety.

Q: How do you calculate the weight of a steel round bar?: To determine the weight of a steel round bar, one can utilize the following equation: Weight = (Diameter^2 / 4) * Length * Density Within this equation, the Diameter signifies the round bar's diameter, Length denotes the bar's length, and Density represents the steel material's density. Initially, it is imperative to precisely measure the steel round bar's diameter. Subsequently, square the diameter by multiplying it by itself. Proceed to divide the outcome by 4. This shall yield the cross-sectional area of the round bar. Following this, multiply the cross-sectional area by the length of the bar. Lastly, multiply this value by the density of the steel material. Typically, the density of steel is around 7850 kg/m^3. The outcome of this computation shall furnish the weight of the steel round bar in either grams or kilograms, contingent upon the units implemented for the length and density.

Q: Can steel round bars be used for tooling applications?: Yes, steel round bars can be used for tooling applications. Steel round bars are often chosen for tooling applications due to their high strength, durability, and ability to withstand heavy loads and wear. They can be machined, shaped, and heat-treated to meet specific tooling requirements, making them versatile and suitable for various tooling applications.

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