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NXF UNS S13800 13-8MO Out Diameter DN15-1200 Pressure Class3000-9000 Special Stainless Steel Forged Fitting Hexagonal Nipple
2026-03-26 18:30 NXF-GROUP
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Product Description
13-8MO Introduction
13-8MO Introduction
Stainless steel grade 13-8 Mo has a high toughness and excellent resistance to stress corrosion cracking. It has been designed to handle applications where high strength, corrosion resistance, toughness, and stress resistance are essential. This is a martensitic alloy.
13-8MO Chemical Composition
13-8MO Chemical Composition
Grade 13-8 stainless steel is a high-strength, precipitation-hardening martensitic alloy known for superior toughness, corrosion resistance, and excellent transverse properties. It typically contains 12.25-13.25% Chromium, 7.5-8.5% Nickel, and 2.0-2.5% Molybdenum, often used in aerospace, nuclear, and petrochemical applications.
Introduction to common type of Hexagonal Nipple
Introduction to common type of Hexagonal Nipple
A hexagonal nipple (or hex nipple) is a short plumbing fitting with male threads on both ends and a hexagonal, nut-shaped middle section. This design allows for easy gripping with a wrench, making it ideal for connecting two female-threaded pipes, frequent assembly/disassembly, and providing a secure, leak-free seal in fluid, gas, or industrial systems. Unlike a regular barrel nipple, which is smooth between threads, a hex nipple has a distinctive hexagonal center section for a wrench. And a hex nipple has a distinct center section.
Hexagonal nipples are short, male-threaded pipe fittings with a central hex shape designed for tightening with a wrench. They are produced through forging or machining from materials like stainless steel (UNS S13800) , often meeting ASTM standards.
Hexagonal Nipple Drawing
13-8 Mo of Chemical Composition and Mechanical Properties
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 giveyou 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
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
Production Methods for Hex Nipples
* Forging: For high-pressure applications, hex nipples are often forged from solid steel billets to ensure strength and structural integrity, commonly adhering to ASTM A105 or A182 grades.
* Forging: For high-pressure applications, hex nipples are often forged from solid steel billets to ensure strength and structural integrity, commonly adhering to ASTM A105 or A182 grades.
Key Manufacturing Steps
1. Material Selection: Select high-quality materials, such as UNS S13800 stainless steel or carbon steel, depending on the required pressure and corrosion resistance.
2. Cutting and Shaping: The raw bar stock is cut into the required length and the central hexagonal profile is created.
3. Threading: Male threads (e.g., NPT, BSPP, or BSPT) are cut on both ends of the fitting.
4. Finishing: The nipples are cleaned, inspected for defects, and often polished to meet quality standards.
1. Material Selection: Select high-quality materials, such as UNS S13800 stainless steel or carbon steel, depending on the required pressure and corrosion resistance.
2. Cutting and Shaping: The raw bar stock is cut into the required length and the central hexagonal profile is created.
3. Threading: Male threads (e.g., NPT, BSPP, or BSPT) are cut on both ends of the fitting.
4. Finishing: The nipples are cleaned, inspected for defects, and often polished to meet quality standards.
Applications
Hex nipples are used to connect two female threaded pipes, commonly in plumbing, automotive, and high-pressure industrial systems for easy assembly with a wrench
Hex nipples are used to connect two female threaded pipes, commonly in plumbing, automotive, and high-pressure industrial systems for easy assembly with a wrench
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/ALanguage 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/ALanguage 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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