Loader guard
- Classification：Loader Cutting Edge
- Clicks：40
- Release date：2019/10/26
- Contact us
Contact: Manager Wang
Hotline: 180-5296-9218
Address: Tangyang Industrial Park, Dongtai City, Yancheng City, Jiangsu Province
Post code: 224100
Product details
All brand models of loader knife plate, guard plate, main knife plate, half arrow, and V-shaped knife plate;
After sales market replacement parts or customized according to customer needs;
Provide high carbon steel or heat treated boron steel.
30MnB Boron steel
30MnB Chemical composition of boron steel
| Element | Minimum value | Maximum value |
|---|---|---|
| C | 0.27 | 0.340 |
| Si | 0.15 | 0.300 |
| Mn | 1.10 | 1.400 |
| P | 0.030 | |
| S | 0.030 | |
| Cr | 0.30 | 0.500 |
| Cu | 0.030 | |
| Ni | 0.025 | |
| B | 0.0005 | 0.003 |
| Ti | 0.03 | 0.050 |
| Mechanical property | ||
| Hardness (heat treatment) | 46-52HRC | |
| Compressive strength | 1630N/mm2 | |
| Elongation rate | 8% | |
| Impact work 25℃ | 58J/c m2 | |
Q3458 Chemical composition of manganese steel
| Element | Minimum value | Maximum value |
|---|---|---|
| C | 0.16 | 0.22 |
| Si | 0.17 | 0.50 |
| Mn | 1 | 1.70 |
| P | 0.035 | |
| S | 0.035 | |
| Cr | 0.30 | |
| Cu | 0.30 | |
| Mechanical property | ||
| Hardness (heat treatment) | 35-45HRC | |
| Compressive strength | 1055N/mm2 | |
| Elongation rate | 11% | |
| Impact work 25℃ | 35J/c m2 | |
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