Honed tube

Honed tube

Grade:ST 52,stainless steel, alloy steel, and special steel
Size range: 
Inside diameter: from 40 to 1000mm, 
Max length:20 meters. 

Straightness: 0.5 /1000
Tolerance EXT: DIN 2391 
Tolerance INT: ISO H7, H8, H9 
Roughness(Ra): 0.1 to 0.2µ 
Impact test: -20℃, 27 J (only for special requirement) 

Type:cold drawing, normalizing treatment, honing. 

Package: Anti rust oiled coating on the inside and outside of the surface, plastic caps at both ends. banding with steel/plactic strips, braiding parcel at outside.


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