What is AISI Carbon Steel Bar?
AISI carbon steel bar is a type of carbon steel that is processed and produced in accordance with American Iron and Steel Institute (AISI) standards. AISI carbon steel bars generally have a low to medium carbon content, which provides good strength and hardness while still maintaining enough ductility to be used as a construction material. AISI carbon steel bars are often used in a variety of industrial applications, including machine building, heavy equipment, construction, and manufacturing, due to their reliable mechanical properties and ability to be deformed as required.
AISI Carbon Steel Bar in Machinery Steel HQ 805
Carbon steel bars are included in the Machinery Steel category, especially in the HQ 805 standard, because they have mechanical properties that are suitable for use in making various machine components and industrial equipment. Carbon steel bars have a low to moderate carbon content, which provides a good combination of strength, hardness and ductility. These properties make it suitable for use in a variety of industrial applications, including as a material for making gears, shafts, gears and other machine components that require high strength and hardness. The HQ 805 standard is a quality standard that regulates the specifications and mechanical characteristics of carbon steel bars used in the manufacturing and construction industry.
Advantages of HQ 805
HQ 805 is a quality standard for carbon steel bars which has several advantages, including:
- High Strength and Hardness: Carbon steel bars that meet the HQ 805 standard have high strength and hardness, making them suitable for use in applications requiring good strength and wear resistance.
- High Tensile Strength: Carbon steel bars in the HQ 805 standard have high tensile strength, so they can withstand heavy loads and high pressure without experiencing significant deformation.
- Good Wear Resistance: Despite its high hardness, HQ 805 carbon steel bar also has good wear resistance, making it an ideal choice for applications that require minimal wear.
- Good Formability: Carbon steel bars in the HQ 805 standard are relatively easy to shape and machine, allowing for the manufacture of a wide range of shapes and sizes of complex machine components.
- Quality Consistency: The HQ 805 standard regulates strict mechanical specifications and characteristics, so that carbon steel bars that meet this standard have consistent and reliable quality.
With these advantages, carbon steel bars in the HQ 805 standard have become a popular choice for various industrial applications that require a material that is strong, wear-resistant and easy to form.
Equivalent Grade
International Standards:
AISI/SAE/ASTM : 4340
Workstoff : 1.6582
DIN : 34CrNiMo6V+SH
JIS : SNCM 447
SIS: 2541
BS : 816 M 40, 817 M 40
AFNOR : 35 NCO 6, 34CrNiMo8
Chemical Analysis
C : 0.30-0.38
Cr: 1.30-1.70
Ni: 1.30-1.70
Mo: 0.15-0.30
Mechanical Properties
Yield strength, Rp 0.2 : min 690 N/mm2, 69 kg/mm2
Tensile strength, Rm : 900 - 1170 N/mm2
US Elongation : min.142%
Reduction of area : min. 35%
Impact strength, KU : approx. 50 Joules
Hardness: 268 - 340 Brinell