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NXF UNS N08020/Alloy 20/2.4660/NiCr20CuMo DN15-1200 Class3000-9000 Nickel Alloy 20 Forging Socket Welding Pipe Fitting End Cap
2026-08-28 16:30 NXF GROUP
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Product Description
Alloy 20 Introduction
Alloy 20 is an austenitic stainless steel containing less than 50% iron and is used in applications involving sulfuric acid. Its
corrosion resistance also finds other applications in the chemical, petrochemical, power generation, and plastics industries.Alloy 20 exhibits superior resistance to pitting and chloride ion corrosion compared to 304 stainless steel and is comparable to316L stainless steel. Its copper content protects it from sulfuric acid. Alloy 20 is typically selected to address the potentialstress corrosion cracking issues of 316L stainless steel.
corrosion resistance also finds other applications in the chemical, petrochemical, power generation, and plastics industries.Alloy 20 exhibits superior resistance to pitting and chloride ion corrosion compared to 304 stainless steel and is comparable to316L stainless steel. Its copper content protects it from sulfuric acid. Alloy 20 is typically selected to address the potentialstress corrosion cracking issues of 316L stainless steel.
Alloy 20 Forging Socket Welding Pipe Fitting End Cap Introduction
A Socket Weld Cap, also known as a socket weld end cap, is a high-pressure pipe sealing component manufactured using round steel or steel ingots through die-forging and lathe precision machining. It is applied in industrial piping systems to achieve permanent sealing and blocking of pipe end openings, effectively preventing medium leakage and external debris from entering the pipeline.It features a single-ended socket structure, which adopts a socket weld connection form. Pipes can be directly inserted into the reserved socket of the cap, and the joint is firmly fixed and hermetically sealed by peripheral fillet welding. It is primarily used in high-pressure industrial fields such as petrochemicals, power generation, natural gas transmission, shipbuilding, and precision instrument piping. Its manufacturing process adopts integral die-forging and finish machining, which ensures high structural density and pressure resistance.
Forged Socket Weld Caps are available in a single conventional sealing structure. The product sizes range from DN6 to DN100, with the most commonly used specifications covering DN15 to DN50. The mainstream manufacturing materials include carbon steel,stainless steel, and alloy steel. Standard pressure ratings cover 3000LB, 6000LB and SCH80. All products are manufactured in strict accordance with the American standard ASME B16.11 to meet high-pressure pipeline operation requirements.
Alloy 20 Forging Socket Welding Pipe Fitting End Cap Drawing
Alloy 20 Chemical composition and mechanical properties
Factory and Product Pictures
Alloy 20 Forging Socket Welding Pipe Fitting End Cap Product Pictures
Alloy 20 PMI spectral testing proves
Video of a customer visiting us
Product processing
Alloy 20 Forging Socket Welding Pipe Fitting End Cap Product processing
1.Raw Material Inspection and Cutting:
Raw steel bars and forging blanks are inspected with material certificates. Defective materials with cracks, inclusions or corrosion are rejected. Qualified blanks are cut to fixed dimensions with burr-free ends and marked clearly to prevent material mixing.
2.Heating and Hot Forging:
Prepared blanks are heated to the standard forming temperature according to material grades. Hot closed-die forging is performed with dedicated molds to form standard pipe cap blanks with qualified wall thickness and regular arc shape.
3.Trimming and Heat Treatment:
Forged blanks are cooled, trimmed to remove flashes, and shape corrected. Professional heat treatment including normalization, annealing or solution treatment is conducted to eliminate forging stress, stabilize microstructure and avoid deformation and cracking.
4.CNC Precision Machining:
Finish machining is carried out on socket end, inner hole, end face and welding groove by CNC lathes. All dimensional tolerances are strictly controlled to ensure precise fitting and welding compatibility with pipes.
5.Surface Treatment:
Surface polishing and deburring are implemented to remove tool marks and oxide layers. Stainless steel caps are pickled and passivated; carbon steel caps are sandblasted and anti-rust treated to improve corrosion resistance.
6.Full Dimensional Inspection:
Key dimensions including outer diameter, inner diameter, wall thickness and socket depth are fully verified with precision measuring tools. Non-conforming products are sorted out for rework or scrapping.
7.NDT and Hydrostatic Test:
UT and MT non-destructive testing is performed to detect internal defects. 100% inspection is applied for high-pressure products. Standard hydrostatic pressure test is conducted to ensure no leakage, swelling or cracking.
8.Marking and Cleaning:
Qualified products are laser marked with material, specification, pressure class, batch number and production date for full traceability. All finished parts are thoroughly cleaned and surface protected.
9.Classification and Packaging:
Products are classified by specification and material. Standard moisture-proof and shockproof packaging is adopted, with qualified certificates and test reports attached.
10.Final Inspection and Delivery:
Final verification of product appearance, dimension and documents is conducted before shipment. All quality records are filed for traceability and delivery.
Our NXF GROUP advantage as follow
1.Our NXF GROUP have our own factory, and we can control the cost by producing by ourselves. We have a great advantage in price and can give you the lowest price based on best quality.
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 quality certificate 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.
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 quality certificate 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.
Packing & Delivery
Packing
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Company Profile
New XiFei (SuZhou) Business Co.,Ltd is one of the leading and most respected manufacturers in China. Our products include metals,machinery, containers, construction materials, mechanical products, electrical systems, and medical accessories.Established in1980, XIFEI has been working diligently ever since to embrace the needs of our global customer base.We work to ensure absolute customer satisfaction. Our team has dedicated itself to perfecting our three core components, "Service, Management and Craftsmanship." Our advantage:3S Service(Small Quantity/Short Time/Special Material)
Certifications
FAQ
1.Who are we?
We are based in Jiangsu, China, start from 2021,sell to South Asia(30.00%),Eastern Asia(10.00%),Mid East(10.00%),Eastern Europe(10.00%),South America(10.00%),Domestic Market(5.00%),North America(5.00%),Northern Europe(5.00%),Central America(5.00%),Africa(5.00%),Southeast Asia(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?
Our advantage:3S Service (Small Quantity/Short Time/Special Material) We have our own factories, quality can be controlled seriously. We Specialize in manufacturing about 21 years. We have professional testing department and testing equipment.
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
We are based in Jiangsu, China, start from 2021,sell to South Asia(30.00%),Eastern Asia(10.00%),Mid East(10.00%),Eastern Europe(10.00%),South America(10.00%),Domestic Market(5.00%),North America(5.00%),Northern Europe(5.00%),Central America(5.00%),Africa(5.00%),Southeast Asia(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?
Our advantage:3S Service (Small Quantity/Short Time/Special Material) We have our own factories, quality can be controlled seriously. We Specialize in manufacturing about 21 years. We have professional testing department and testing equipment.
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
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