ST52 DIN2391 Honed tube

Grade: ST 52

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 0.4µ

Type: cold drawing, normalizing treatment, honing.

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)