Honed Tubes
Grade
ST 52, Stainless Steel, Ally Steel & Special Steel
Size Range
Inside diameter
From 40mm to 1000mm
Max length
20 meters
Straightness
0.5 / 1000
Tolerance EXT
DIN 2391
Tolerance INT
ISO-H7, ISO-H8, ISO-H9
Roughness(Ra)
Max 0.4μ
Impact test
-20oC, 27 J (only for special requirement)
ST 52 Chemical composition (%)
| Si (Max) | Mn (Max) | C (Max) | P (Max) | S (Max) |
|---|---|---|---|---|
| 0.55 | 1.6 | 0.22 | 0.025 | 0.025 |
Mechanical Properties (%)
| Tensile Strength Min | Yield Point Min | Elongation Min |
|---|---|---|
| 580 N/mm2 | 420 N/mm2 | 10 |
