Honed Tubes for Hydraulic, Pneumatic Cylinder

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Size range Inside diameter from 40 to 1000mm, Max length 20 meters. Straightness: 0.5 /1000 Tolerance EXT: DIN 2391 Tolerance INT: ISO H8 Roughness(Ra): 0.2 to 0.4 Type: cold drawing, normalizing treatment, honing. Chemical composition(%) Si(Max) Mn (Max) C Max) P (Max.) S (Max) 0.55 1.60 0.22 0.025 0.25 Mechanical properties: Tensile strength Min Yield Point Min Elongation % Min 580 N/mm2 420 N/mm2 10 Marking: SunnySteel, 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) High precision cold drawn tube(ready to honed tube) can also be supplied.

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Sunny Steel Enterprise Ltd.

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