TORICH INTERNATIONAL LIMITED
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YB/T 4675 specifies precision seamless steel tubes that are particularly used in motorcycle shock absorbers. These tubes are manufactured from specially selected steel grades designed to provide excellent strength, wear resistance, and fatigue performance which are critical for the demanding environment of shock absorbers.
The materials generally include alloy steels with controlled composition to ensure the high mechanical properties and precision dimensions required.
| Element | Content (%) Range |
|---|---|
| C | 0.15 – 0.25 |
| Si | 0.10 – 0.35 |
| Mn | 0.50 – 0.90 |
| S | ≤ 0.035 |
| P | ≤ 0.035 |
| Cr | 0.30 – 0.70 |
| Ni | 0.30 – 0.60 |
| Mo | 0.10 – 0.25 |
| V | 0.05 – 0.15 |
| Property | Typical Value |
|---|---|
| Tensile Strength | 600 – 850 MPa |
| Yield Strength | ≥ 450 MPa |
| Elongation (A5) | ≥ 15% |
| Hardness (HB) | 180 – 230 HB |
| Impact Toughness | ≥ 30 J (at room temperature) |
YB/T 4675 precision seamless steel tubes are primarily used in the manufacturing of motorcycle shock absorbers, including:
These tubes contribute to the durability and safety of motorcycles by supporting smooth suspension performance.
| Standard | Equivalent Grade |
|---|---|
| YB/T 4675 | ASTM A519 (Alloy Steel Tubes) |
| EN 10305-1 (Steel tubes for precision applications) | |
| JIS G3445 (Steel Tubes for Machinery Structural Purposes) |
A: manufacturer,also can do trading.
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact with me.