Ready to honed tube
Request a Quote>Grade：ST 52
Metric size：
Inside diameter from 40 to 250mm
Max length 14m.
Straightness: 0.5 /1000
Tolerance INT: ISO H9
Tubes are provided according to the norm EN10305-1, DIN 2391
Tolerance INT: ISO H9
Tubes are provided according to the norm EN10305-1, DIN 2391
Type：cold drawing
CHEMICAL COMPOSITION (%)
|
Si
(Max)
|
Mn
(Max)
|
C
(Max)
|
P
(Max.)
|
S
(Max)
|
|
0.50
|
1.6
|
0.22
|
0.025
|
0.025
|
MECHANICAL PROPERTIES
|
Tensile strength
Min
|
Yield Point
Min
|
Elongation
% Min
|
|
580N/mm2
|
420N/mm2
|
10
|
EXCENTRICITY
|
Outer Diameter
|
Excentricity
|
|
125 mm
|
5 %
|
|
> 125 mm
|
7 %
|
measured according to the formula:
E = (max Wt – min Wt)/( max Wt + min Wt) x 100 %
BORE OVALITY
The bore ovality is comprised in the 50 % of the inside diameter tolerances.
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)
.jpg)
