big size honed tube
Grade:ST 52
Inside diameter from 40 to 1000mm
Max length 20m.
big size honed tube
Honed tube
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 0.4µ
Typecold drawing, normalizing treatment, honing.
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)