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B125 Square Manhole Cover Ductile IronSolid Top Double Seal Pedestrians, Car Parks

B125 Square Manhole Cover Ductile IronSolid Top Double Seal Pedestrians, Car Parks

B125 Square Manhole Cover Ductile IronSolid Top Double Seal Pedestrians, Car Parks
B125 Square Manhole Cover Ductile IronSolid Top Double Seal Pedestrians, Car Parks
B125 Square Manhole Cover Ductile IronSolid Top Double Seal Pedestrians, Car Parks
Product Details:
Place of Origin: CHINA
Brand Name: ODM&OEM
Certification: ISO9001,ICMQ
Model Number: AX 3030B DS/AX 4545B DS/AX6060B DS/AX6060C DS
Payment & Shipping Terms:
Minimum Order Quantity: 1TON
Price: USD900~1100/TON
Packaging Details: Plywood pallet; steel pallet; customer-specified
Delivery Time: 25~35days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 2000 Ton/Tons per Month
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Detailed Product Description
Product Name:: En124-2 C250Manhole Cover Rectangle Surface Treatment:: Bituminous Paint/Water-based Paint
Clear Opening:: According To Drawings Standard:: EN124-2 Standard/EN1433
Application:: Car Parks Grade:: B125 C250
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rectangular manhole cover


manhole lid

Square Manhole Cover Ductile Iron EN GJS500-7 Solid Top Double Seal




Ductile iron castings have been used in almost all major industrial sectors, requiring high strength, ductility, toughness, wear resistance, resistance to severe thermal and mechanical shocks, high or low temperatures, corrosion resistance and dimensional stability. In order to meet these variations in the conditions of use, there are many grades of ductile iron available, providing a wide range of mechanical properties and kinematic properties. Most ductile iron castings, as defined by ISO 1083, are mainly produced in non-alloyed state. Obviously, this range includes high-strength grades with tensile strength greater than 800 Newtons/mm and elongation of 2%. QT500-7, a general-purpose material for ductile iron manhole covers, has a Brinell hardness of 170-230HB. The other extreme is a high-resistance grade with an elongation of more than 17% and a correspondingly low strength (minimum of 370 N/mm scoop. Strength and elongation are not the only roots of the designer's choice of material, while other decisive important properties Also included are yield strength, modulus of elasticity, wear and fatigue strength, hardness and impact properties. In addition, corrosion resistance and oxidation resistance and electromagnetic properties may be critical to the designer. To meet these special uses, a group has been developed. Austenitic ductile iron, usually called Ni-Resis, is a ductile iron. These austenitic ductile irons are mainly alloyed with zinc, chromium and manganese and are listed as international standards.




From class A15 to class F900, we can totally produce them and also produce some special covers according to customers’ asks. According to material, Square manhole covers can be divided into four groups-metal manhole covers, cement-based composite, Recycled resin composite manhole cover, Polymer matrix composite manhole cover etc. All manhole covers totally meet with EN124-2 standard, which is widely used Global market.




Solid Top Manhole Cover Double Seal B/C SQUARE
Material:Ductile iron EN GJS500-7
Item code CLASS Spec External
unit weight
AX 3030B DS B125 420x420 420x420 300x300 25 12.5
AX 4545B DS B125 630x630 630x630 450x450 50 36
AX6060B DS B125 740x740 740x740 600x600 40 41
AX6060C DS C250 780x780 780x780 600x600 50 59


Standards and features:

1. high strength. Tensile strength σs≥420MPa, yield strength σs≥300MPa, same as low carbon steel, three times that of gray iron

2. Good toughness. The impact value is similar to that of medium carbon steel, which is more than 10 times that of gray iron material.

3. Good plasticity. The elongation is as large as 7%, which is similar to high carbon steel, while the gray iron steel has an elongation of zero.

4. Strong corrosion resistance. In the water spray corrosion test, the corrosion amount in 90 days is only one tenth of that of the steel pipe, which is one tenth of that of the gray iron pipe. The service life is twice that of gray cast iron, which is 5 times that of ordinary steel pipe.


Contact Details

Contact Person: Daniel.du

Tel: 13186661831

Send your inquiry directly to us
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