Phone/Whatsapp:+8613917160311
Email: info@nxf-group.com
Email: Andrew@nxf-group.com
Email: Alice@nxf-group.com
NXF UNS NO7718/2.4668/NiCr19NbMo/alloy 718 DN15-1500 Class150-2500 Nickel Alloy Forged Fitting Spectacle Blind Flanges
Alloy 718 Introduction.
Spectacle Blind Flange Introduction
Customer visit to the factory video
Alloy 718 Spectacle Blind Flange Produce Processing
1. Raw Material Preparation and Inspection：Select standard steel plates including carbon steel and stainless steel for spectacle blind flange production. Conduct strict incoming quality inspection on chemical composition, mechanical performance and surface condition. After passing the test, the raw materials are precisely cut into flat blanks with reasonable machining allowance for formal production.
2. Blank Cutting and Outline Forming：Adopt professional cutting equipment to process the reserved blanks. Complete the integral forming of the spectacle blind structure, including solid blind plate, through-hole ring plate and middle connecting bridge. Correct the overall size and structural symmetry to ensure consistent assembly accuracy of the two plates.
3. Heat Treatment for Stress Relief：Perform annealing treatment on the formed workpieces to eliminate internal cutting and forming residual stress. This process stabilizes the metal internal structure, improves material toughness, and effectively avoids plate deformation, warping and cracking in subsequent machining and service.
4. Precision CNC Finishing：
Carry out high-precision CNC machining for key positions of the workpiece. Finish the sealing surface, outer diameter, inner hole and mounting bolt holes strictly according to standard dimensions. Ensure excellent flatness and parallelism of the sealing surface to meet pipeline sealing requirements.
5. Deburring Polishing and Surface Protection：Completely remove all burrs, sharp edges and metal scraps on the workpiece surface and holes. Fine polish the sealing surface to ensure smooth and flat fitting. Conduct anti-rust oiling, galvanizing or other surface treatments to improve corrosion resistance.
6. Full Inspection and Standard Packaging：Implement comprehensive quality inspection on finished products, including dimensional tolerance, surface flatness, structural symmetry and appearance quality. Qualified products are marked with material grade, specifications and batch information, then packaged neatly for storage and delivery.
Our NXF GROUP advantage as follow
3.Our NXF GROUP biggest advantage is 3S service. Small quantity, short time, special materials.
4.Our NXF GROUP have excellent qualitycertificate system and trademark certificate
5.Our NXF GROUP have a comprehensive after-sales service guarantee, such as the transaction guarantee provided by Alibaba International Station, as well as remote technical guidance and services.
6.Our NXF GROUP have a well-established logistics support system that can save you both time and money, providing you with a one-stop service.
includemetals,machinery, containers, construction materials, mechanical products, electrical systems, and medical
accessories.Establishedin1980, XIFEI has been working diligently ever since to embrace the needs of our global customer base.We work to ensure absolutecustomer satisfaction. Our team has dedicated itself to perfecting our three core components, "Service, Management andCraftsmanship." Our advantage:3S Service(Small Quantity/Short Time/Special Material).
We are based in Jiangsu, China, start from 2021,sell to South Asia(30.00%),South America(10.00%),Eastern Europe(10.00%),Mid East(10.00%),Eastern Asia(10.00%),Southeast Asia(5.00%),Africa(5.00%),Central America(5.00%),Northern Europe(5.00%),North America(5.00%),Domestic Market(5.00%). There are total about 101-200 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Pipe,Flange,Steel plate,Pipe fittings,Alloy products
4. why should you buy from us not from other suppliers?
2.Our NXF GROUP can strictly control the quality. We have production,quality inspection, warehousing and other departments to coordinate and control the quality,Such as PMI and size testing.
3.Our NXF GROUP biggest advantage is 3S service. Small quantity, short time, special materials.
4.Our NXF GROUP have excellent qualitycertificate system and trademark certificate
5.Our NXF GROUP have a comprehensive after-sales service guarantee, such as the transaction guarantee provided by AlibabaInternational Station, as well as remote technical guidance and services.
6.Our NXF GROUP have a well-established logistics support system that can save you both time and money, providing you with aone-stop service.
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FCA,DDP,DDU；
Accepted Payment Currency:USD,EUR,CAD,HKD,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,Credit Card,PayPal;
Language Spoken:English,Chinese,Spanish,Russian