Welcome to Jinlong Foundry Group, we are a reputable manufacturer of top quality cast iron products.

All Categories

square recessed manhole cover


Quick details

· Shape: Square

· Material: Ductile Iron GJS500-7

· Duty Class: EN124 B125

· Frame Style: Bottom Flange

· Gasket Material: Neoprene

· Lock Material: SS304

· Coating: Black Bitumen

· Standard: EN124-2015

· Surface Pattern:Customized

· Surface text:Customized

Detailed Product Description

1)We can casting / forging manhole cover according to your sample or drawing.

2)The material is according to your request.

3)Supply perfect quality all kinds of forgings with competitive price and excellent service.


1.Material: iron cast, as per customer's requirements .

2.Product Status: Semi-finished castings Or Finished Products

3.Excellent performance, long using life and competitive price.

4.High intensity and rigidity.

Besides above, our products have many advantages

1, High precision.We have strict material selection and special process ensure the stability of the parts; advanced machining process and equipment ensure the accuracy.

2, Low cost. Our material utilization reached 90% which saves your money.

3,In sales.Fluent communication and highest quality keep the successful deal.

We supply square recessed manhole cover

Established in 1993, located in Changsha China, we devoted ourselves to casting industry for many years,has been exporting to Europe and Australia since 2001.

We are expecting become your long team partner, OEM & OED is welcomed.

NameDuctile manhole cover
MaterialDuctile iron GGG50/7, gray iron
ShapeRound, square, rectangle
Size200mm-1300mm or as per customers’ drawing
SurfaceBituminous black or as your requirement
MoldingDISA Line, Hand Modelling
ProcessDrawing-mould making-raw casting-sand blasting-rough machining-surface treatment-product inspection
Advanced technology and equipmentsTensile strength: 500Mpa Yield stress: 320Mpa
Elongation rate: 7%
Hardness: HBS170-230
Load capacityB125 C250 D400 E600 F900
ToleranceMachining:+/-0.02mm, finish machining:0.002mm
ApplicationFootway, pedestrians, car parks, aircraft pavements
AdvantageLongevity corrosion resistance, excellent anti-pressure