- Name: Ductile Iron Heavy Duty Grate
- Material: Ductile iron
- Surface Treatment: Painting
- Minimum Order Quantity: 5 piece.
- Load: A15 B125 C250 D400 E600 F900
- Standard: EN124-2015 EN1433
- Feature: Easy to install noise reduction
- Certificate: ISO, Material Certificates, SGS Certificate.
- Measurement inspection:100 % self-inspection, 3rd party inspection available.
- Payment method: wire transfer,etc.
- Production Capacity: 5000tons/ Year
- Delivery Time: 7-25 days / negotiable
- Packaging Details: Pallets or wooden box
- Payment Terms: by T/T.
- Port: Ship from Shanghai Port to the customer’s designated location.
We produce various classes of manhole cover and gratings in gray iron or ductile iron from Class A15 to F900 according to customer’s sample or requirment.
Specification:
According to drawings, heat resistance, surface treatment requirement, Various types of 2D or 3D drawings are acceptable, etc

External Size | Cover Diameter | Clear Opening | Derth | Weight | Loading Capacity |
φ600mm | φ512mm | φ485mm | 53mm | 22kg | EN124 D400 |
φ850mm | φ725mm | φ700mm | 100mm | 72kg | EN124 D400 |
φ850mm | φ680mm | 650mm | 75mm | 54kg | EN124 D250 |
φ950mm | φ850mm | φ800mm | 100mm | 95kg | EN124 D400 |
φ1150mm | φ1050mm | φ1000mm | 100mm | 210kg |
EN124 D400 |
FAQ:
Q: Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q: What kinds of products do you offer?
A: We mainly produce various high alloy steel castings, such as mill liners, jaw crusher spare parts, jaw plates, cone crusher spare parts, Crusher Blow Bars, Crusher Hammers, etc.
Q: What kind of materials are using for the products?
A: We supply all kinds of high alloy steel castings, including manganese steel castings, high manganese steel, nickel hard castings, chromium molybdenum alloy steel, high chromium white iron castings, etc.
Q: What is the maximum weight of a single piece that can be cast, and what is your daily processing capacity?
A: The weight of a single piece that can be cast at one time is 30 tons. The production capacity is 150 tons/working day.
Q: What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q: What is the Warranty for our products ?
A: If any quality problems on our side occurred in this period , we will take on the shipping cost and replacement.
Q: How to give inquiry?
A: Step 1, please tell us what weight ,dimension, material do you need please.
Step 2, Better help to provide the drawing with above-mentioned details please.
Step 3, when we have enough details, we may quote accordingly.


