Precision Stainless Steel Polishing Services
Mirror, brushed, and satin finishes on SUS 304/316L/430 stainless steel, backed by 40+ years of Taiwan manufacturing and
Polishing Stainless Steel: Finishes & Capabilities
From mirror-grade automotive trim to brushed industrial panels, our polishing lines handle strip, coil, and sheet stock across all major stainless grades with documented surface roughness control.
Frequently Asked Questions
Which stainless steel grades can you polish?
We process SUS 304, 304L, 301, 316L, 430, 409, and 439 in strip, coil, and sheet formats. Grade selection affects polishing behavior — for example 316L requires slower feed rates to avoid heat discoloration — and our line operators adjust parameters per batch rather than running a single fixed setting.
What surface finishes are available for polishing stainless steel?
Standard options include mirror (#8), satin/brushed (#4), and matte finishes, applied on equipment maintained for consistent grit progression. Buyers sourcing for visible automotive trim or architectural panels typically request #8 or #4; industrial machinery parts often use lower-cost satin finishes to balance cost and appearance.
Can polishing be combined with precision cutting in one order?
Yes. We cut to ±0.01mm tolerance first, then polish the finished blanks or coils in-house, so you receive dimensionally toleranced parts with the surface finish already applied. This avoids a second vendor handoff and reduces the risk of edge damage from re-handling polished material.
Do you support small-batch or trial orders for new finishes?
As a workshop with under 500 tons annual capacity, we're structured for smaller and mid-size runs rather than only bulk contracts. This makes us workable for buyers validating a new finish or grade before committing to a full production order.
What quality documentation comes with polished stainless steel?
Our production lines operate under ISO 9001, ISO 14001, and IATF 16949 (plus ISO/TS 16949), with ISO 13485 available for medical-grade material. Each shipment can include inspection records for thickness, tolerance, and finish grade, which is typically what automotive and industrial buyers request for incoming QC.
Is custom-size polishing available, or only standard coil widths?
We offer custom size processing, so polished stainless can be supplied in the widths, lengths, or blank shapes your production line needs rather than only standard coil dimensions. This is common for buyers integrating the material directly into stamping or assembly without further slitting.
How does polished stainless steel differ for automotive vs. construction buyers?
Automotive orders, which make up over 60% of our output, generally specify tighter surface consistency for visible trim and require IATF 16949-aligned documentation. Construction and industrial machinery buyers more often prioritize cost-efficient satin finishes with standard ISO 9001 traceability.
What is your typical lead time for polished stainless steel orders?
Lead time depends on grade availability, finish type, and order volume, since polishing is scheduled alongside our precision cutting lines rather than run as a separate standalone process. Contact us with your specification and target quantity for a confirmed production schedule.