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NXF UNS S33400/Incoloy 840/ASTM A240/ASME SA-240/NAS H840 DN15-1200 Class3000-9000 Nickel Alloy Fitting Socket Welding Cap

2026-01-26 18:12 NXF-GROUP
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Product Description
Incoloy 840 Introduction
Incoloy alloy 840 is a high temperature alloy designed for exceptional performance in extreme environments. Engineers classify it as an austenitic stainless steel, but its unique blend of nickel, chromium, and iron sets it apart from standard stainless steels. The alloy’s composition includes significant amounts of nickel (19–22%) and chromium (19.5–21%), with smaller additions of titanium, silicon, manganese, and carbon. This precise formulation gives incoloy alloy 840 its remarkable resistance to oxidation and corrosion, even when exposed to temperatures near 1000°C.
Socket Welding Cap Introduction
A Steel Socket Welding Cap is a forged pipe fitting that closes the end of a small-diameter pipe (NPS 2 or smaller) by inserting the pipe into its recessed "socket" and applying a fillet weld, creating a strong, leak-proof joint for high-pressure systems, known for durability and structural integrity. Made from durable materials like carbon steel, these caps provide excellent sealing and structural support, ideal for industrial applications where reliability is crucial.

Key Characteristics & Function
* Design: The pipe slides into the fitting's socket, meeting a stop point, and a fillet weld joins them.
* Usage: Primarily for small bore piping (typically < 4 inches), offering high leakage integrity and strength.
* Material: Forged from high-quality steel (e.g., ASTM A105, stainless grades), ensuring strength and durability under high
   pressure.
* Types: Available in various shapes (convex, conical, flat) and pressure classes (3000, 6000, 9000).
SOCKET-WELDING CAP DRAWING
Incoloy 840 Chemical Composition And Mechanical Properties
Actual product image Actual product image
Specification

item
Socket Welding Cap
Technic
Forged
shape
Equal
head code
Round
place of origin
China
Jiangsu
Surface Treatment
Smooth
Mounting hole diameter
0.25 in
Pipe Class
3000
Application
Agricultural Irrigation, Automotive Repair, Heating Systems, Power Industry, Construction Engineering
warranty
3 years
customized support
OEM, ODM, OBM
brand name
NXF
model number
NXF-Socket Welding Cap
Connectivity
Socket Welding
Overall Length
3 in
Height
1.5in
Pressure
High Pressure
System of Measurement
in
Pipe Features
NXF-Socket Welding Cap
Product name
Socket Welding Cap
Material
Incoloy 840
OD
DN15-1200
Pressure
Class3000-9000
Standard
ANSI JIS DIN ASME
MOQ
1 Piece
Type
Socket Welding
Application
Industry
Packing
Wooden Box
Brand
NXF
Socket Welding Cap Produce Processing
Packing & Delivery
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 in 1980, 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 as follow: 1.We 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. 2. We can strictly control the quality. We have production, quality inspection, warehousing and other departments to coordinate and control the quality. 3. Our biggest advantage is 3S service. Small quantity, short time, special materials.
Shipping
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

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Phone
+8613917160311
Whatsapp
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+8613917160311
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Email
info@nxf-group.com
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