Sand Casting Round Manhole with ISO Certification 1)Specifications 1.Process: Sand Casting, Investment Casting (Precision Casting/Lost-Wax Casting). 2.Casting experience: 10years,OEM service available 3.Surface: blackening, galvanize, plating,painting,etc. 4.Material: QT, iron, steel 5.Technology: sand casting 6.Advantages: Delivery on time, according to the demand for materials 7.Packing: wooden case or as your requirement. 8.Deliverywithin 20 days after receiving last confirm information. 9.Production Capacity: Sand Casting 2000 tons per month,Investment Casting 120 tons per month. 10.Certification: ISO 9001:2008. Characteristics of our manhole cover: 1. Material: cast gray iron, ductile iron. 2. Shape: round, square, rectangle and triangle. 3. Diameter: from 200mm to 1200mm. 4. Weight: from 7kg to 154kg or according to customers\' requirment 5. Packing: in wooden pallet with plastic layer 6. Annual output: 10,000 tons 7. Coating: black bitumen or Coating as per customers\' requirement 8. Use :municipal engineering, Traffic, pavement ,electronics,telecom, cable, petroleum, chemical industry, or drainage system and industrial facilities of valve well. D400 Clear Opening 400mm Casting manhole cover/cast iron manhole cover price Clear Opening: 390*390mm Frame size: 490*490mm Frame depth: 75 Testing Loading: D400 Material: Ductile iron GGG500-7&400-12 Standard : EN124 1. Advantage of our Manhole Covers 1) Can supply all kinds of load class Product such as A15/B125/C250/D400/E600/F900 2) Against theft and safety, double sealed, watertight type 3)material No. GGC50(DIN1693-73),QT500-7(GB/T1348-1988), 80-55-06(ASTM A536), FCD500(JISG 5502-2001),500/7(BS2789:1985). 4)Free charge of design. 5) 3 day pay for ready if the request in storck. 2. Detailed information of manhole cover 1) Various manhole cover made by GX Foundry strictly conform to standard and free from sand holes, blowholes,distortion or any other defects 2)Processes: a) Automatic machine lines b) Moulding boards c) Green sand with hand moulding 3)Guarantee: GX Foundry will replace any heavy duty castings that have been properly installed and broken in normal use,free of charge after receipt of the broken castings. 2)Manufacturing process 1.Sample or Drawing by customer 2.Tooling proposal&Discussion 3.3D Tooling Design 4.Tooling production 5.Rough parts manufacturer 6.CNC Machining 7.Fitting&Finish 8.Tooling Measurement&Check 9.Assembly 10.Trial Production 11.Correction 12.Final Trial 13.Samples Inspection 14.Sample Approval by customer 15.Tooling Approval 16.Ductile iron sand casting 3)Company Profile: We mainly undertake the casting parts,machined parts and other products.Our Import and Export Department have many years experiences of foreign trade,products are mainly exported to the United States,Denmark,Italy,Russia,Australia etc. 4)Typical products: Scaffold fittings, Template parts, Railway fittings, ring flange , electromagnetic steel cover, piston, pressure plate, center plate, wear plate, cylinder, impeller, disc etc. Manhole Cover:Manhole Cover Workshop:Quality Control:Quality First,Pric Best,Service Foremost ! We assure you of our best services at all times ! Item Description Material Technical Process 1 Ductile iron castings Green-sand moulding Resin-sand moulding Lost foam cast Shell-core cast Electric-furnace smelting 2 Grey iron castings ASTM A48-No.20,25,30,35,40,45,50; ASTM A126-Class A, Class B, Class C; DIN-GG10,GG15,GG20,GG25,GG30,GG35; JIS-FC10,FC15,FC20,FC25,FC30,FC35; BS-Grade 150,180,220,260,300,350; NF-FGL150,FGL200,FGL250,FGL300,FGL350; Green-sand moulding Resin-sand moulding Lost foam cast Shell-core cast Electric-furnace smelting 3 Carbon steel castings ASTM A216-Gr. WCB, Gr. WCA, Gr. WCC; ASTM-415-205, 450-240, 485-275, 80-40; DIN- GS-C25(1.0619), GS-38(1.0416), GS-45(1.0446), GS-52(1.0552), GS-60(1.0558); JIS-SC410, SC450, SC480, SCC5; BS-A1, A2, A5; NF-GE230, GE280, GE320, GE370 Soluble glass sand moulding Resin-sand moulding Lost wax casting (Investment casting) LosASTM A 536-Gr.60-40-18,65-45-12,80-55-06,80-60-03; DIN-GGG40,GGG50,GGG60,GGG70; JIS-FCD40,FCD50,FCD60,FCD70; BS-Gr370-17,Gr420-12,Gr500-7,Gr600-3,Gr700-2; NF-FGS370-12,FGS400-12,FGS500-7,FGS600-3,FGS700-2;t foam cast Shell-core cast Electric-furnace smelting 4 Stainless steel castings ASTM-CF-8M, CF-8, CA-15, CA-40, 316, 304; DIN-G-X6CrNi18 9(1.4308), G-X7Cr13(1.4001) G-X20Cr14(1.4027), 1.4408; JIS-SCS13, SCS 1, SCS 2, SCS 14A; BS-304C15, 410C21, 420C29, 316, 304; NF-Z6CND18.12M, Z6CN18.10M, Z12C13M, Z20C13M Soluble glass sand moulding Resin-sand moulding Lost wax casting (Investment casting) Electric-furnace smelting 5 Alloy steel castings DIN-GS-40Mn5(1.1168), GS-20Mn5(1.1120); GS-37MnSi5(1.5122), GS-34CrMo4(1.7220); JIS-SCMn3, SCW480, SCSiMn2, SCCrM3, SCMnCR3; ASTM-LCC UNS-J02505, J13048 NF-G20M6, G35CrMo4 Soluble glass sand moulding Resin-sand moulding Lost wax casting (Investment casting) Electric-furnace smelting Q: Why choose Shengao product? A: We shengao have our own plant-- Weifang Shengao machinery Co., Ltd, therefore, we can surely promise the quality of every product and provide you comparable price. Q: Do you provide OEM Service? A: Yes, we provide OEM Service. Q: Do you provide customized forging products? A: Yes. Customers give us drawings and specifications, and we will manufact accordingly. Q: What is your payment term? A: We provide kinds of payment terms such as L/C, T/T, Paypal, Escrow, etc.