JW Steel Co Ltd

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Honed tube
Grade¿ST 52
Metric size¿
Inside diameter from 40 to 1000mm,
Max length 20 meters.
Straightness: 0.5 /1000Tolerance EXT: DIN 2391Tolerance INT: ISO H8Roughness(Ra): 0.2 to 0.4µ
Type¿cold drawing, normalizing treatment, honing or skiving.

Marking: JW, ID, OD
Length: unfixed length or fixed length
Package: banding with steel strips, braiding parcel at outside
Conservation: Anti rust oiled coating on the inside and outside of the surface, plastic caps at both ends.
Impact test: -20¿, 27 J (only for special requirement)

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