The Ideal Steel for Value-Added Processors
EPS' clean, uniform, oil-free surface offers a better base for downstream processes.
Processes like galvanizing, coil coating and cold rolling perform better with EPS-processed steel. EPS mitigates surface defects like silicon streaks, minor roll marks and pitting. Certain cleaning steps can be eliminated by virtue of the clean, oil-free EPS surface. For example, batch galvanizers who switch to EPS will no longer need an acid bath to remove HRPO's oil. And because EPS can be ordered with a smoother (lower Ra) or rougher (higher Ra) surface, processors can select an EPS surface texture that works best for them.
The slideshow
lists other advantages of using EPS as a base material for value-added processes.
A Growing Base of Processing Experience
EPS processed coils have replaced HRPO in nearly every value-added downstream process, as well as numerous fabrication processes. The EPS coils have been supplied with oil applied, so as to be completely interchangeable with HRPO, and oil-free, so as to capture one of EPS' most important benefits. Read direct comments on what value-added processors have had to say about EPS performance at the Users Testimonials page.
For details of EPS experience in specific downstream processing applications, click on the tabs below:
• annealed, then cold reduced
• cold reduced, then annealed
• cold reduced, then galvanized
The EPS low surface peak standard deviation (Rz) resulted in less draft from cold reduction. EPS removal of silicon streaks was noted, plus no oil left in bell annealing lines because there's no oil on EPS.
• more consistent surface (low Rz) results in less draft,
• mitigates silicon streaks that acid pickling highlights,
• no oil fouls annealing bell lines when bell annealing.
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