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NXF UNS N08904 Grade 904L DN15-1200 SCH10-XXS Special Stainless Steel 90/45degree LR/SR Butt Welding Elbow
2026-04-14 19:26 NXF-GROUP
8
Product Description
Grade 904L introduction
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. Today, most of the applications that employ grade 904L are replaced by low-cost duplex stainless steel 2205.
Grade 904L Chemical Composition
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 Elbow
Introduction to common type of Butt Welding Elbow
Butt welding elbows are elbows that undergo a hot forming or forging process, and their primary method of connection is through direct butt welding to the pipe. These elbows are categorized based on their curvature radius, resulting in two main types: long radius butt welding elbows and short radius elbows. Additionally, they are classified according to pressure levels, aligning with approximately seventeen types that adhere to American pipe standards, with STD and XS being the most commonly utilized. Furthermore, based on the elbow angle, variations include 45-degree butt welding elbows, 90-degree butt welding elbows, 180-degree butt welding elbows, and elbows with other angles. In terms of material, butt welding elbows can be further divided into carbon steel elbows, alloy steel elbows, and stainless steel elbows.
Butt-Welding Elbow Drawing
Grade 904L of Chemical composition and mechanical properties
Butt-Welding Elbow 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.
3. Our biggest advantage is 3S service. Small quantity, short time, special materials.
4.We have excellent quality certificate system and trademark certificate
Product processing
The production process of butt welding elbows involves several key steps to manufacture these essential components used in piping systems. Here is an overview of the typical production process for butt welding elbows.
1. Material Selection:
Choose the appropriate material for the butt welding elbow based on the specific requirements of the application. Common materials include carbon steel, stainless steel, alloy steel, and other materials suitable for the intended use.
2. Cutting:
Begin the production process by cutting the raw material into the required lengths. The cutting process ensures that the material is of the correct size for further processing.
3. Forming the Elbow:
The cut material is then shaped into the desired elbow form. The most common method for forming butt welding elbows is through hot forming or cold forming processes.
Hot Forming: The material is heated to an elevated temperature, making it malleable. It is then pressed or bent into the shape of the elbow using specialized equipment, such as hydraulic presses.
Cold Forming: This process involves bending the material at room temperature. Cold forming is generally used for smaller-sized elbows.
4. Beveling:
The ends of the elbow are beveled to facilitate the welding process. Beveling ensures proper alignment and penetration of the weld bead during the butt welding process.
5. Edge Preparation:
Prepare the edges of the elbow for welding. This step involves cleaning, chamfering, and ensuring that the welding surfaces are free from contaminants that could affect the quality of the weld.
6. Welding:
Perform the butt welding process to join the ends of the elbow. This typically involves welding the beveled edges using methods such as manual metal arc welding (MMA), gas tungsten arc welding (GTAW), or gas metal arc welding (GMAW), depending on the material and specifications.
7. Heat Treatment (Optional)
Depending on the material and application requirements, a heat treatment process may be applied to relieve stresses induced during the welding process and improve the overall mechanical properties of the elbow.
8. Inspection:
Conduct thorough inspections to ensure the quality of the butt-welded elbow. This may involve visual inspections, dimensional checks, and non-destructive testing methods such as radiographic testing or ultrasonic testing.
9. Surface Treatment:
Apply any necessary surface treatments, coatings, or finishes to protect the elbow from corrosion or enhance its performance in specific environments.
10. Final Inspection and Packaging:
Perform a final inspection to verify that the butt welding elbow meets all specifications and quality standards. Once approved, the elbows are packaged and prepared for shipping.
Choose the appropriate material for the butt welding elbow based on the specific requirements of the application. Common materials include carbon steel, stainless steel, alloy steel, and other materials suitable for the intended use.
2. Cutting:
Begin the production process by cutting the raw material into the required lengths. The cutting process ensures that the material is of the correct size for further processing.
3. Forming the Elbow:
The cut material is then shaped into the desired elbow form. The most common method for forming butt welding elbows is through hot forming or cold forming processes.
Hot Forming: The material is heated to an elevated temperature, making it malleable. It is then pressed or bent into the shape of the elbow using specialized equipment, such as hydraulic presses.
Cold Forming: This process involves bending the material at room temperature. Cold forming is generally used for smaller-sized elbows.
4. Beveling:
The ends of the elbow are beveled to facilitate the welding process. Beveling ensures proper alignment and penetration of the weld bead during the butt welding process.
5. Edge Preparation:
Prepare the edges of the elbow for welding. This step involves cleaning, chamfering, and ensuring that the welding surfaces are free from contaminants that could affect the quality of the weld.
6. Welding:
Perform the butt welding process to join the ends of the elbow. This typically involves welding the beveled edges using methods such as manual metal arc welding (MMA), gas tungsten arc welding (GTAW), or gas metal arc welding (GMAW), depending on the material and specifications.
7. Heat Treatment (Optional)
Depending on the material and application requirements, a heat treatment process may be applied to relieve stresses induced during the welding process and improve the overall mechanical properties of the elbow.
8. Inspection:
Conduct thorough inspections to ensure the quality of the butt-welded elbow. This may involve visual inspections, dimensional checks, and non-destructive testing methods such as radiographic testing or ultrasonic testing.
9. Surface Treatment:
Apply any necessary surface treatments, coatings, or finishes to protect the elbow from corrosion or enhance its performance in specific environments.
10. Final Inspection and Packaging:
Perform a final inspection to verify that the butt welding elbow meets all specifications and quality standards. Once approved, the elbows are packaged and prepared for shipping.
Specification
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 in1980, 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 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.
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.
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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