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Showa Seisakusho SUS304 Specified surface roughness Specimen

Made in Japan

Manufacturer: Showa Seisakusho

Model: SUS304

Each is processed to a specified range of surface roughness by grinding or lapping.

From left to right, from top to bottom           1 2 3 4 5 6 7
Aim roughness Ra below 0.1μm Ra 0.1μm Ra 0.2μm Ra 0.4μm Ra 0.6 Ra 0.7 Ra 1.8
Actual value Ra 0.006μm Ra 0.130μm Ra 0.244μm Ra 0.376μm Ra 0.553μm Ra 0.705μm Ra 1.83μm

In addition, there are differences in materials and supplied materials,

We have a track record of managing rough surface roughness and specified parameters (Rz, etc.) that cannot be produced by grinding.

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