Elliptical manhole cover

ST3005

Size: φ435*335, 530*430, 635*525 or as per required drawing
Type: square, circular, elliptical
Material quality: SUS304, 316L, 321,304L, 316
Fineness: inner and outer fineness of mirror Ra≤0.8μm, inner and outer mechanical polish and electrical polish Ra≤0.2μm, external surface can be gross polished or sub-gross polished.

Product Description

Size: φ435*335, 530*430, 635*525 or as per required drawing

Type: square, circular, elliptical

Material quality: SUS304, 316L, 321,304L, 316

Fineness: inner and outer fineness of mirror Ra≤0.8μm, inner and outer mechanical polish and electrical polish Ra≤0.2μm, external surface can be gross polished or sub-gross polished.

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