• Casting OEM ductile iron manhole cover with superior quality for industries with frames System 1
  • Casting OEM ductile iron manhole cover with superior quality for industries with frames System 2
  • Casting OEM ductile iron manhole cover with superior quality for industries with frames System 3
  • Casting OEM ductile iron manhole cover with superior quality for industries with frames System 4
  • Casting OEM ductile iron manhole cover with superior quality for industries with frames System 5
  • Casting OEM ductile iron manhole cover with superior quality for industries with frames System 6
Casting OEM ductile iron manhole cover with superior quality for industries with frames

Casting OEM ductile iron manhole cover with superior quality for industries with frames

Ref Price:
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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
100 set
Supply Capability:
4166 set/month

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Product Description


1.Standard:ISO9001,EN124
2.Applicable medium:gases,liquids,steam
3.Materail:ductile iron,Gray cast iron

Tested item standad

Anti-breaking strength (Mpa)>14

Impact toughness resistance (kg/cm2)>95

Tensile strength (Mpa)>10

Compressive strength (Mpa)>30

Modulus of elasticity(kg/cm2)>1.4*104

Cold-hot resistance measure<0.4

Water-absorption<1.0


Casting OEM ductile iron manhole cover with superior quality for industries with frames

Casting OEM ductile iron manhole cover with superior quality for industries with frames





Specification



Item No.ClassClear Opening(mm)Frame Size(mm)Unit Weight (kg/set)
TD1222D4001220*6751370*83080.5



Advantages



Competitive prices, water-proof,bending and impact strength, anti-corrosion, not rust, long service life (at least 30 years).

· Higher quality /higher tensile

· Higher security /long life

· Possibilities of new locking systems


Packaging & Shipping



Packaging: Details Pallet with bubble film, Carton ,

 

Delivery Detail: 8 days if your order is 20"container

 

Casting OEM ductile iron manhole cover with superior quality for industries with frames

Casting OEM ductile iron manhole cover with superior quality for industries with frames



FAQ


1.Can I get free samples?

A: Yes, we can provide you the free sample, but you need to bear their own delivery costs.

2.Can I request to change the form of packaging and transportation?

A:Yes,We can change the form of the packaging and transportation according to your request, but you have to bear their own costs incurred during this period and the spreads.


Q:How to get rid of casting sand inside casting parts?
Are you saying that in the sand casting cavity? We use the manual blast, he is like a pipe will be automatic shot out of the grit, into the casting cavity, to remove the internal cavity in the purpose of casting sand!
Q:Casting parts by shot blasting, spray painting, baking after the formation of very small rust spots, how to solve ah?
The first process is very important. Shot blasting must be thorough. The solution is to wipe the surface of the paint with a release. Re shot
Q:What are the casting parts tested?
The surface brightness, appearance, size, chemical composition, weight, material, surface defects, internal defects, seals need to be checked, leakage, etc.
Q:How to improve the surface roughness of casting parts?
One is to improve the accuracy of the model; the two is to improve the molding sand mesh. How much is the other relationship?.
Q:Younger brother is to do casting valve, precision casting parts, the valve internal sand serious, but the appearance is very standard, this is why, for God answers, thank you!
Increase the refractoriness and looseness of core sand
Q:How do casting parts remove stress?
Annealing treatment, according to different casting annealing treatment, eliminate thermal stress, if need to restore hardness or increase hardness, and then quenching treatment
Q:What is the ejection angle of the die casting (Tan Gang)?
Because after the wax, wax parts will have a slight contraction, which is good for demoulding. Many moulds don't do the ejection angle
Q:Explain the heat treatment effect of casting parts, forging parts and welding parts
Good welding of low carbon steel (alloy), probably because the weld workpiece rigidity, fast cooling, the weld internal crystallization of brittle microstructure (martensite), so after welding or welding process welding using self heat, reasonable arrangement of weld, welding seam and heat affected zone heat treatment. The welding heat treatment is often used to preheat before welding, after welding withasbestos cloth covering slow cooling annealing, reach the purpose, its main function is to reduce the internal stress, improve the weld microstructure of martensite formation, reduce brittle tendency, preventing welding cracks.
Q:As shown, how do I achieve the tightness test of this product, and achieve industrial production? Seek expert advice.
Precise and tight sealing of the surface to which the test piece is to be tested, equipped with an airtight test instrument, and an electrical control system. You can complete automated testing equipment
Q:Why does the surface of stainless steel casting mirror mirror ripple?
The surface can be improved by a little more than Xiasha

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