Sell Steel honed tube (honed seamless tube) |
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| chrome honed tube
(Inside surface honed and outside surface plate chrome) Grade:ST 52 Metric size Inside diameter from 40 to 1000mm, Max length 20m. Straightness: 0.5 /1000 Tolerance EXT: DIN 2391 Tolerance INT: ISO H8 Roughness(Ra): 0.2 to 0.4 Typecold drawing, normalizing treatment, honing or skiving, plate chrome. CHEMICAL COMPOSITION (%) Si (Max) Mn (Max) C (Max) P (Max.) S (Max) 0.55 1.60 0.22 0.025 0.025 MECHANICAL PROPERTIES Tensile strength Min Yield Point Min Elongation % Min 580 N/mm2 420 N/mm2 10 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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