B125 C250 D400 Ductile Heavy Duty Cast Iron Manhole Cover and Frame Grateing Grids in China
B125 ductile iron manhole cover
|
Tensile Strength σb/MPa |
Yield Strength σ0.2/MPa |
Elongation rate δ(%) |
Brinell Hardness |
500 |
320 |
7 |
170~230 |
Applications
- Electric power pipeline well.
- Street lamp well; fire control well; all kind of valve wells.
- city water drainage pipeline well; heat supplied; gas well.
- telecommunication system.
Our Quality manhole cover gully grating has high quality and competitive prices
They are widely in construction, public and garden, All our products are made as per ISO9001 and EN124 standard.
We are offering diverse range of manhole covers like:
1. Heavy Duty Square and Rectangular Manhole cover and frame.
2. Medium Duty Square and Rectangular manhole cover and frame.
3. Light Duty Square and Rectangular manhole cover and frame.
4. Circular cover with circular frame.
5. Circular cover with square frame.
6. Channel grating, double layer cover and frame.
7. Bench leg, lamppost road block etc.
8. OEM serve
If you are interested in above mentioned products, let us know please. Thanks.

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