NXF UNS N08904 Grade 904L Out Diameter DN15-1200 Pressure Class150-2500 Special Stainless Steel Welding Flange

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Welding flanges are crucial pipe components welded to pipe ends to allow high-integrity, bolted connections in piping systems. They provide, strong, leak-proof, and often permanent joints, particularly for high-pressure, high-temperature, or hazardous applications. The most common types include Weld Neck (high pressure), Socket Weld (small bore/high pressure), and Slip-On (general use).
Surface Smooth
Material UNS N08904 Grade 904L
Brand: DN15-1200
+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 Welding Flange

Welding flanges are crucial pipe components welded to pipe ends to allow high-integrity, bolted connections in piping systems. They provide, strong, leak-proof, and often permanent joints, particularly for high-pressure, high-temperature, or hazardous applications. The most common types include Weld Neck (high pressure), Socket Weld (small bore/high pressure), and Slip-On (general use).
Welding Flange Drawing
Grade 904L of Chemical composition and Mechanical properties
Welding Flange 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
Welding Flange is a stainless steel sterile flange (also known as an aseptic flange or NA-connector). These specialized components are designed for high-hygiene industries such as pharmaceuticals, biotechnology, food, and beverages
Key Product Features
* Hygienic Design: Engineered to eliminate "dead legs" where bacteria could grow and to facilitate easy CIP/SIP(Clean-in-Place/Steam-in-Place) sterilization.
* Material: Typically manufactured from high-grade stainless steel, such as SS316L, for superior corrosion resistance and durability.
* Components: The assembly generally consists of a welding flange (the base), a split ring (the two-piece outer collar), and fastening nuts (often acorn or cap nuts).
* Compliance: Often manufactured according to international standards such as ASME BPE, DIN 32676, and ISO to ensure interoperability and safety in pressurized systems

Specification

item
Welding Flange
Technic
Forged
shape
Round
place of origin
China
Connectivity
Welding
head code
Round
Surface Treatment
Smooth
Mounting hole diameter
0.25 in
Pipe Class
3000
warranty
3 Years
customized support
ODM, OEM, OBM
brand name
NXF
model number
NXF- Welding Flange
Overall Length
1mm
Height
1mm
Pressure
High Pressure
System of Measurement
inch
Pipe Features
No additional Features, Flexible, Corrosion-resistant, Chemical Resistant, underground rated
Application
building water supply and drainage, fire protection systems, natural gas pipeline installation, natural gas & petroleum industry, natural gas transportation, water supply and drainage systems
Thread Types
NPT OR BSPT
Product name
Welding Flange
Material
UNS N08904 Grade 904L
OD
DN15-1200
Pressure
Class 150-2500
MOQ
1 Piece
Packing
Wooden Box
Standard
ANSI JIS DIN ASME
Surface
Smooth
Type
Welding Flange
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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