Cutting edge for grader blade with high carbon steel
China top manufacturer, Higher Blades, provides you a higher cost-effective solution
Part number: 5D9553/5D9554/5D9558/5D9559/4T8077/4T8075/8E4569
Machine Model: For motor grader
Thickness: 1/2’’ (13mm), 5/8’’(16mm), 3/4’’(19mm), 1’’(25mm)
Material: High carbon steel, 80# or 45#, boron steel 30MnB
The mechanical property for grader blade with high carbon steel
Steel Type | Material Code | Hardness (HB) | Yielding Strength(MPa) | Tensile Strength(MPa) | Elongation (%) | Impact Energy (J) |
Boron Steel
| HM400 | 370-430 | ≥1050 | ≥1250 | ≥12 | ≥25(-20℃ KV) |
HM450 | 430-470 | ≥1150 | ≥1300 | ≥10 | ≥50(25℃ KU) | |
HM500 | 470-520 | ≥1250 | ≥1450 | ≥7 | ≥40(25℃ KU) | |
HM550 | 530-570 | ≥1300 | ≥1550 | ≥5 | ≥20(25℃ KU) | |
| Carbon Steel | HC80 | 250-330 | ≥450 | ≥900 | ≥11 | ≥15(25℃ KU) |
| HC45 | Specification is adjusted by your technical requirement | |||||
Package: High quality export package with plywood pallet or as you required.
Shipping port: Qingdao, China, or as you required.
We ensure 100% in-time delivery. All products will be delivered within 10~15 days after the contract was set.
Cutting edge for grader blade with high carbon steel

Why choose us?
We have obvious advantages to provide you better service:
- Competitive Price: Strategic partnership with Shandong Steel Group, raw material resource advantage to provide you most compeitive price.
- Easy welding: We have better welding performance which you don't need to pre-heat before welding and we assure it never crack.
- Through hardening: We have China best and international advanced large roller heat treatment line which can insure through hardening and consistancy. So that our product have longer wear life and better mechnical performance.
- Reliable Testing: Professional mechanical property laboratory provides 3rd-party report with global certification such as SGS, BV, TUV...
Higher Blades is China top manufacturer for cutting edges, end bit, bucket blade, overlay, wear plate, for bulldozer, loader, grader, excavator, scaraper, snow plow. We also provide OEM and customized service.


Looking forward to your request! Our fast response will feedback within 12 hours.
Tel: +86-13808939779
Fax:+86-531-88685511
Website:

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