Chrome plated Steel bars AISI 431QT Technical Properties.
- Diameter Tolerance Standard is ISO-f7. We can provide special tolerance at premium price.
- Roundness – max ½ from the diameter tolerance (½ tol.f7).
- Surface Roughness is Ra = max 0.20 µm.
- Surface Hardness – Chrome Layer hardness is 800-1000 HV0,1.
- Straightness is max 0,7 [mm]/1000 [mm] .
- Chrome Layer thickness is minimum 20[µm].
Chrome plated steel bars AISI 431QT corrosion resistance.
- Standard Corrosion Resistance is R10/600h according to NSS tests.
- We can provide higher layer or double chrome layer at premium price.
Steel grade correspondents table AISI 431QT800.

Chemical Composition table AISI 431QT according to EN 10088-3 : 2005

Mechanical Properties table AISI 431QT800 according to EN 10088-3 : 2005

Standard packaging is made with plastic sleeves or cardboard tubes (depending on the product’s diameter).
As an Extra protection with additional cost we can provide also wooden boxes.