Model:NP-06
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Grade:ST 52
Size rangeInside 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 0.4u
Type: cold drawing, normalizing treatment, honing.
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: -20Degrees Celsius , 27 J (only for special requirement)
High precision cold drawn tube(ready to honed tube) can also be supplied.




