These mechanical properties and specifications make the chrome plated steel round bar suitable for demanding applications where strength, durability, and precision are required.
Hydraulic Cylinder Piston Rod
Mechanical Properties of Chrome Plated Steel Round Bar:
Tensile Strength: The minimum tensile strength of the chrome plated steel round bar is ≥800 MPa, indicating its high strength and resistance to deformation under tension.
Yield Strength: The minimum yield strength of the round bar is ≥540 MPa, indicating the point at which the material starts to exhibit plastic deformation.
Elongation: The minimum elongation of the round bar is ≥20%, indicating its ability to withstand deformation without breaking and its ductility.
Impact Strength: The round bar has an impact strength of >41 J, indicating its ability to absorb energy during sudden impact or shock loads.
Induction Hardened Hardness: The induction hardened section of the round bar has a hardness of HRC50-55, indicating its high resistance to indentation and wear.
Induction Hardened Depth: The induction hardened section of the round bar has a depth ranging from 1.2-2.5mm, indicating the thickness of the hardened layer.
Supply Condition: The chrome plated steel round bar is supplied in a ground and chrome plated condition, ready for use in various applications.
Chrome Thickness: The chrome plating on the round bar has a thickness of 25 +/- 5 microns, providing a protective layer against corrosion.
Surface Roughness: The surface roughness of the chrome plated steel round bar is specified as Ra ≤ 0.2 micron and Rt ≤ 2 microns, ensuring a smooth and precise finish.
Tolerances on Diameter: The round bar conforms to ISO f7 tolerances on the diameter, ensuring precision and compatibility with other components.
Ovality: The ovality of the round bar is half of the tolerance specified in ISO f7, ensuring the roundness and dimensional accuracy of the bar.
Straightness: The straightness tolerance of the round bar is ≤0.2mm/m, ensuring proper alignment and smooth operation.
Steel Grade According to Different Standards
China steel grades: GB standard |
45# Steel |
Germany steel grades: DIN standard |
CK45 |
Japanese steel grades: JIS standard |
S45C |
American steel grades: AISI Standard |
1045 |
Chemical composition(%)
Material |
C% |
Mn% |
Si% |
S% |
P% |
V% |
Cr% |
ck45 |
0.42-0.50 |
0.50-0.80 |
0.04 |
0.035 |
0.035 |
- | - |
Inquire Form