EN124 D400 Heavy Duty Cast Ductile Iron Round Manhole Cover And Frame
Description
1) Product information:
Manhole Covers are manufactured for construction and public use. Manhole Covers shall be smooth and free from sand holes, blow holes, distortion or any other defects
2) Material
a) Ductile Iron GGG500-7 & 400-12
b) Grey Iron GG20
3) Designs .
a) EN124 A15, B125, C250, D400, E600 and F900
b) A60005 for casting design
c) Major standards designs available
d) As per customers' drawings or samples
4) Process
c) Molding boards
d) Green sand with hand molding
5) Coating
a) Cold applied black bitumen
b) Without coating
c) Coating as per customers' requirement
6) Different accessories are available
Product Details
Material | Ductile cast iron, grey cast iron, steel |
Sand | Green sand, Clay sand, resin sand |
Process | Sand casting, Shell core casting |
Machine | Lathe, CNC machine, turning machine, drilling machine, milling machine, boring machine, machining center |
Casting Tolerance Min. | 0.05mm |
Machining Tolerance Min. | 0.02mm |
Surface Treatment | Painting, Powder coating, spraying, galvanization, chrome plating |
Unit weight | 0.5kg~500kg |
Application | Auto parts, kitchen parts, mining machine parts, railway parts, construction parts, so forth |
Test Equipment | CMM, spectrometer, tensile tester, hardness tester, chrome thickness tester,Metallographic tester, so forth |
Standard | ISO, ASTM,JIS, ANSI, DIN, BS, GB |
Certification | ISO9001:2008 |
Quality Control
All of product quality inspections is from raw materials incoming inspection, semi-finished products inspection,
specimen testing, and products testing. We strictly follow the procedures of ISO 9001, IQC, IPQC & FQC. We have
independent inspectors and QC engineers to check & record in accordance with the procedure and submited for approval/audit.
1.Quality Guarantee
--Mechanical, chemical and microstructure test
--Test with flaw detector after rough machining
--Completed quality control system
--Long warranty time
2.Quality Document
--Mechanical, chemical and microstructure test report
--Quality Control Report