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 |
Excentricity:
| Outer Diameter | Excentricity |
| 125 mm | 5 % |
| > 125 mm | 7 % |
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: SunnySteel, 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)
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