NXF UNS N08904 Grade 904L OD DN15-1500 Wall Thickness SCH10-XXS Pipe Fitting Special Stainless Steel Butt Welding Cap

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A butt welding cap is a pipe fitting designed to seal the end of a pipe, commonly in industrial piping systems to prevent leakage and protect against contaminants. These caps are butt-welded directly onto the pipe, providing a permanent and reliable seal. They come in various shapes and materials to suit different pressure and corrosion requirements
Surface Polishing
Material UNS N08904 Grade 904L
Brand: NXF
+86-13917160311
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Product Description

Grade 904L introduction

Grade 904L stainless steel is a non-stabilized austenitic stainless steel with low carbon content. This high alloy stainless steel is added with copper to improve its resistance to strong reducing acids, such as sulphuric acid. The steel is also resistant to stress corrosion cracking and crevice corrosion. Grade 904L is non-magnetic, and offers excellent formability, toughness and weldability. Grade 904L contains high amounts of expensive ingredients, such as molybdenum and nickel.

Grade 904L Chemical Composition

Fe, <0.02% C, 19-23% Cr, 23-28% Ni, 4-5% Mo, <2.0% Mn, <1.0% Si, <0.045% P, <0.035% S, 1.0-2.0% Cu

Introduction to common type of Butt Welding Cap

A butt welding cap is a pipe fitting designed to seal the end of a pipe, commonly in industrial piping systems to prevent leakage and protect against contaminants. These caps are butt-welded directly onto the pipe, providing a permanent and reliable seal. They come in various shapes and materials to suit different pressure and corrosion requirements
Butt Welding Cap Drawing
Grade 904L of Chemical composition and mechanical properties
Butt Welding Cap Picture


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.Such as PMI testing
3. Our biggest advantage is 3S service. Small quantity, short time, special materials.
4.We have excellent quality certificate system and trademark certificate
5.We 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.We have a well-established logistics support system that can save you both time and money, providing you with a one-stop service.
Product processing
Butt-weld (BW) end cap production involves forming metallic materials (carbon steel, stainless steel, or alloy steel) to permanently seal pipe ends, typically adhering to standards like ASME B16.9. The process, which supports sizes from 1mm to 100mm,   includes raw material preparation, shaping via hot or cold forming, heat treatment, machining, inspection, and surface treatment
Core Manufacturing Processes
* Material Preparation & Cutting: Raw pipes or plates are cut to specific shapes and lengths, usually of the same material grade as the pipeline (e.g., ASTM A234 WPB for carbon steel).
* Forming Techniques:
* Hot Forming/Pushing: Common for smaller sizes, a steel pipe piece is heated and pushed over a die (mandrel) to form the cap shape simultaneously.
* Cold Drawing/Pressing: Using large hydraulic presses and hammers, materials are pressed into shape. This is common for   producing seamless caps.
* Fabrication/Welding: For very large diameter end caps (24"–72"), plates are welded rather than manufactured seamlessly.
* Heat Treatment: Caps are normalized or stress-relieved to enhance toughness and ensure dimensional stability, particularly important for high-pressure applications.
* Machining & Beveling: Ends are machined to create a proper bevel, allowing for smooth butt-welding onto the piping system.

Specification

item
Butt Welding Cap
Technic
Other
shape
Round
place of origin
China
Connectivity
Welding
head code
Round
Surface Treatment
Smooth
Mounting hole diameter
0.25 in
Pipe Class
150
warranty
3 Years
customized support
OEM, ODM, OBM
brand name
NXF
model number
NXF-Butt Welding Cap
Overall Length
4 in
Height
1 in
Pressure
Low Pressure
System of Measurement
inch
Pipe Features
Flexible, Corrosion-resistant, Chemical Resistant, No additional Features, underground rated
Application
Agricultural Irrigation, Automotive Repair, Heating Systems, Power Industry, Shipbuilding, Metallurgical Industry
Product name
Butt Welding Cap
Material
UNS N08904 Grade 904L
Size
DN15-1500
Thickness
SCH10-XXS
MOQ
1 Piece
Application
Industry
Standard
ANSI JIS DIN ASME
Connection method
Weldng
Packing
Wooden Box
Brand
NXF
Packing & Delivery
To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
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.Such as PMI testing
3. Our biggest advantage is 3S service. Small quantity, short time, special materials.
4.We have excellent quality certificate system and trademark certificate
5.We 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.We have a well-established logistics support system that can save you both time and money, providing you with a one-stop service.
Our advantage:3S Service(Small Quantity/Short Time/Special Material)
Certification
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;
Accepted Payment Currency:USD,EUR,CAD,HKD,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A;
Language Spoken:English,Chinese
6. Are you trading company or manufacturer ?
We are manufacturer.

7. How long is your delivery time?
Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to
quantity.

8. Do you provide samples ? is it free or extra ?
Yes, we could offer the sample for free charge but need pay the cost of freight.

9. What is your terms of payment ?
Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.


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