Alloyed steel round bar

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Quick Details

Steel Grade:	S45C	Standard:	GB	Dimensions:	20-300MM
Place of Origin:	China (Mainland)	Brand Name:	C&D METALS	Model Number:	20-300MM
Technique:	Hot Rolled	Application:	Structural Steel Bar	Alloy Or Not:	Is Alloy
Special Use:	Mold Steel	Type:	Carbon Steel Bar	LENGTH:	6-12M
COMMODITY:	ROUND BAR (S45C,S20C,SS400,A36)	SPEC:	S45C	SIZE:	20-300MM

Packaging & Delivery

Packaging Detail:	Packing Term: Bulk Packing Or Container.
Delivery Detail:	Within 30-45 days as of the date of contract signing

Specifications

ROUND BAR (S45C,S20C,SS400,A36)
1.Length:6m to 12m
2.Grade:Q235/SS400/S20C/S45C

Description: ROUND BAR (S45C,S20C,SS400,A36)
Size: 20mm-200mm
Length: 6000mm-12000mm
Standard: GB/JIS/ASTM/BS
Material: Q235/SS400/S20C/S45C

Remarks:

1.Origin / Manufacturer: China

2.Port of Loading: Tianjin Port,China

3.Packing Term: Bulk Packing Or Container
4.Measurement of Weight: By Theoretical Weighting

5.Certificate:ISO9001,CIC,BV,SGS

Q: What are the different grades of alloy steel round bars?: There are several different grades of alloy steel round bars, including but not limited to, 4140, 4340, 8620, and 52100. Each grade offers specific properties and characteristics that make them suitable for different applications and industries.

Q: Which is hard, round steel or screw steel?: If the diameter is the same, of course, the rebar is of great hardness.Round steel is a solid strip of steel whose cross section is round. The specifications are expressed in millimeters of diameter, such as "50", which means a round bar of 50 millimeters in diameter.

Q: Are steel round bars resistant to UV radiation?: No, steel round bars are not inherently resistant to UV radiation.

Q: What are the tolerance levels for steel round bars?: Steel round bars have varying tolerance levels depending on the specific application and industry standards. To ensure precision in terms of diameter, straightness, and surface finish, steel round bars are typically produced with tight dimensional tolerances. Diameter tolerances specify the acceptable range of deviation from the nominal diameter of the round bar and are expressed as a plus or minus value, such as +/- 0.005 inches. The specific tolerance depends on the size, type of steel round bar, and application requirements. Straightness tolerances determine the allowable amount of deviation from a perfectly straight line along the length of the round bar. This tolerance is expressed as the maximum distance between the round bar and a straight edge placed along its length. For instance, a straightness tolerance of 0.030 inches per foot means that a one-foot section of the round bar can deviate up to 0.030 inches from a straight line. Surface finish tolerances specify the acceptable level of imperfections or irregularities on the surface of the round bar. This tolerance is often expressed using roughness average (Ra) or roughness peak (Rz) values. The specific tolerance depends on the desired surface finish and application requirements. It is worth noting that tolerance levels may also be subject to industry-specific standards established by organizations like the American Society for Testing and Materials (ASTM) or the International Organization for Standardization (ISO). These standards provide guidelines and specifications for various steel products, including round bars, to ensure consistent quality and performance. Ultimately, determining the tolerance levels for steel round bars involves considering the specific application requirements, industry standards, and the capabilities of the manufacturing process.

Q: How do you measure the diameter tolerance of a steel round bar?: To determine the diameter tolerance of a steel round bar, one can adhere to the following procedure: 1. Acquire a caliper or micrometer, which are commonly employed tools for accurately gauging object diameters. 2. Set up the measuring tool appropriately: Adjust the jaws of the caliper to the suitable size range or ensure correct zeroing of the micrometer. 3. Situate the round bar: Place the steel round bar on a stable and flat surface, taking care to prevent any rolling or movement. 4. Perform the measurement: Utilize the measuring tool to record the diameter of the round bar. For precise outcomes, ensure that the tool is perpendicular to the bar and exert gentle pressure to obtain an accurate reading. 5. Repeat the measurement: To ensure accuracy, take multiple measurements at various points along the length of the round bar. This will account for any variations or deviations in the bar's diameter. 6. Calculate the average diameter: Sum up all the measurements and divide by the number of measurements taken. This will yield the average diameter of the round bar. 7. Compare with the tolerance range: Refer to the provided specifications or standards for the steel round bar to ascertain the allowable tolerance range. This range will indicate the acceptable variation in diameter for the bar. 8. Analyze the findings: Compare the average diameter derived from the measurements with the specified tolerance range. If the average diameter falls within the tolerance range, the round bar complies with the required specifications. However, if it deviates beyond the range, further inspection or adjustment may be necessary to meet the required tolerance. By adhering to these steps, one can effectively gauge the diameter tolerance of a steel round bar and ensure its conformity to the necessary specifications for the intended application.

Q: What is the maximum sulfur content allowed for steel round bars?: The allowed maximum sulfur content for steel round bars can vary depending on the specific grade and specification. Generally, the control of sulfur content in steel is essential to ensure the material's quality and good machinability. For most commercial grades of steel round bars, the maximum sulfur content is typically restricted to approximately 0.05% to 0.08%. Nevertheless, it is crucial to acknowledge that specific specialized grades or applications may possess distinct limits or requirements. It is advisable to refer to the appropriate standards or specifications for the specific grade of steel round bars to ascertain the maximum allowable sulfur content.

Q: Can steel round bars be used in the manufacturing of mining equipment?: Mining equipment manufacturing often incorporates steel round bars due to their strength, durability, and versatility. These bars are commonly utilized in the construction industry, as their ability to be machined, welded, and fabricated into various shapes and sizes makes them the ideal choice for mining equipment. Components such as shafts, axles, gears, and structural supports in mining machinery can all be manufactured using steel round bars. Moreover, their ability to withstand heavy loads and harsh environments makes them the perfect fit for rugged mining conditions. Furthermore, heat treatment can be applied to steel round bars to enhance their mechanical properties, making them even more suitable for the manufacturing of mining equipment.

Q: Can steel round bars be used for making bearings?: Making bearings can indeed involve the use of steel round bars. However, it is crucial to acknowledge that the suitability of steel round bars for bearing applications relies heavily on the specific type of steel utilized and the manufacturing process employed. Bearings commonly encounter high loads and necessitate qualities such as good wear resistance, low friction, and high durability. For this reason, steel round bars made from top-notch alloy steels, such as chrome steel or stainless steel, are frequently employed in bearing production due to their exceptional mechanical properties. These steel round bars undergo particular heat treatment procedures, such as quenching and tempering, to enhance their hardness, strength, and wear resistance. Moreover, the round bars are usually machined with precise tolerances to ensure proper fit and alignment within the bearing assembly. To guarantee the most optimal performance, reliability, and longevity of bearings under various operating conditions, it is essential to seek advice from materials and manufacturing experts or consult industry standards. This will ensure the appropriate selection of steel round bar material and manufacturing processes for bearing applications.

Q: Can steel round bars be used for making sway bars?: Yes, steel round bars can be used for making sway bars.

Q: Can steel round bars be used in the automotive manufacturing industry?: Indeed, the automotive manufacturing industry does employ steel round bars. Due to its robustness, endurance, and adaptability, steel is a frequently employed material in this sector. Steel round bars find utility in numerous aspects of automotive manufacturing, including the creation of chassis, suspension components, drive shafts, and axles. These cylindrical bars exhibit excellent resistance to both impact and fatigue, rendering them suitable for withstanding the demanding requirements of the automotive industry. Furthermore, steel round bars can be conveniently shaped and manipulated, enabling customization and precise engineering in the manufacturing processes of automobiles. Consequently, steel round bars represent a dependable and extensively utilized material within the automotive manufacturing industry.

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