ISO 9001:2015 Certified · EN 10204 3.1 MTC Included

Ra Surface Finish Converter (um to uin)

Free Ra surface roughness converter. Convert um to uin instantly and see which ASME BPE surface finish grade (SF1-SF6) your value falls into.

Surface FinishRa ≤ 0.38 µm (15 µin)

Standard SpecsASME BPE SF4 / A270

Material Traceability100% PMI Verified

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Ra Surface Finish Unit Converter

Convert between Microns (µm) and Microinches (µin) & match ASME BPE SF ratings

Input Value

Input Unit

Micrometres (µm)0.380 µm

Microinches (µin)15.0 µin

ASME BPE DesignationASME BPE SF4 (Ra ≤ 0.38 µm / 15 µin) - Electropolished

Sakshi Forge supplies electropolished pipes certified to Ra ≤ 0.38 µm (15 µin) with profilometer inspection report provided per batch.

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Sakshi Forge is a Mumbai-based manufacturer of electropolished pipes and tubes, supplying major pharmaceutical, chemical, biotechnology, and food processing belts in India:

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Delivering precision-engineered flanges, pipes, and forged steel components designed for strength, durability, and performance in critical high-pressure industrial applications.