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[China]
Trade Verify
Address: Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China
Contact name:Richard SHEN
TORICH INTERNATIONAL LIMITED |
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Verified Suppliers
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1. Details:
| Standard Parameters | |
| Steel Grade | C45E (EN 10083) |
| Tolerance | ISO f7 |
| Roundness | diameter tolerance / 2 |
| Standard Length | - for Ø ≤ 60 mm: 5600 – 6200 mm - for Ø ≥ 60 mm: 5800 – 7200mm Upon request: special lengths on all diameters |
| Surface Roughness | Ra max. 0.20 µm (statistic average: 0.05 – 0.15 µm) |
| Chrome Layer Thickness | ≤ Ø20 mm: min. 15 µm ≥ Ø20 mm: min. 20 µm |
| Chrome Layer Hardness | min. 900 HV(0.1) |
| Straightness | ≤ Ø16 mm: max. 0.3 mm : 1000 mm > Ø16 mm: max. 0.2 mm : 1000 mm |
| Mechanical Properties | according to EN 10083-2 |
2. Chemical Composition
| Material | C% | Mn% | Si% | S% | P% | V% | Cr% |
| Ck45 | 0.42-0.50 | 0.50-0.80 | 0.04 | 0.035 | 0.035 | ||
| ST52 | 0.22 | 1.6 | 0.55 | 0.035 | 0.04 | ||
| 20MnV6 | 0.16-0.22 | 1.30-1.70 | 0.10-0.50 | 0.035 | 0.035 | 0.10-0.20 | |
| 42CrMo4 | 0.38-0.45 | 0.60-0.90 | 0.15-0.40 | 0.03 | 0.03 | 0.90-1.20 | |
| 40Cr | 0.37-0.45 | 0.50-0.80 | 0.17-0.37 | 0.80-1.10 | |||
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3. Mechanical Properties
| Material | T.S N/MM2 | Y.S N/MM2 | E%(MIN) | CHARPY | CONDITION |
| CK45 | 610 | 355 | 15 | >41J | NORMALIZE |
| CK45 | 800 | 630 | 20 | >41J | Q + T |
| ST52 | 500 | 355 | 22 | NORMALIZE | |
| 20MnV6 | 750 | 590 | 12 | >40J | NORMALIZE |
| 42CrMo4 | 980 | 850 | 14 | >47J | Q + T |
| 40Cr | 1000 | 800 | 10 | Q + T |
4. Application:
Piston rods used in hydraulic cylinder, shock absober.
5. Packing:
1. Coated by antirust oil.
2. Sheathed by paper carton tube, both end covered by roundness
paper carton.
3. Cotton rope twined and bundled without interspace, to avoid any
surfaced scratched.
4. Plastic film covered overall of bundled bars, to keep seal.
5. (Options) Woven tarpaulin covered overall of bundled bars, to
keep packing clear.
6. Lifting belts on the middle of bundled bars.
7. (Options) Wooden box packed.
