precise polished round bar
| Standard | ASTM A29,Grade:1045 |
Material | CK45/1045 | |
Diameter | 6~500mm | |
Length | 1000~8000mm | |
Surface roughness | Ra≤0.4mm | |
Straightness | ≤0.2MM/M | |
Chrome thickness | 20-30microns |
Specification selection:
Diameter | Unit length | Tolerance |
mm | mm |
diameter :ISO f7, out-of round: half of diameter tolerance |
6-15 | 1000-2000 | |
16-40 | 2000-4000 | |
40-220 | 4000-8000 | |
220-500 | 4000-8000 |
Chemical Composition
% | C | Mn | Si | P | S |
Min. | 0.42 | 0.50 | --- | -- | --- |
Max. | 0.50 | 0.80 | 0.04 | 0.005 | 0.035 |
Mechanical Properties
material | Yield strength | Tensile strength | Elongation | Charpy | Condition |
| Mpa | Mpa | % | J |
|
CK45 | 355 | 610 | 15 | >41 | Normal |
630 | 800 | 20 | >41 | Q+T |
Package
Sea worthy.
1)Oiled + waterproof material +paper sleeve + rope
2)Oiled + waterproof material + wooden case
Certificate
Mill test report is required.
Sample
It is required.
If any question, pls do not hesitate to contact with us!