Stainless Steel Fitting Welded Single Male External Thread Welding Nipple
Stainless Steel Fitting Welded Single Male External Thread Welding Nipple
►Products description
Our stainless steel welding nipples are precision-engineered to provide the perfect transition between threaded and welded piping systems. Manufactured from high-grade 304/316/316L stainless steel, these versatile components offer:
- Dual-Function Design: Combines NPT/BSP threaded ends with weld-ready plain ends for maximum installation flexibility
- Leak-Proof Performance: Precision-cut threads (tapered or parallel) ensure secure, vibration-resistant connections
- Corrosion Resistance: Excellent durability in chemical, marine, and high-purity applications
Manufacturing Excellence:
We set the industry standard through our advanced production capabilities:
✔ State-of-the-Art Production:
- CNC thread rolling with ±0.001" tolerance control
- Automated surface finishing for optimal weld preparation
- Full material traceability from mill to finished product
✔ Uncompromising Quality Control:
- 100% thread gauge verification to ANSI/ASME B1.20.1
- Material certification meeting ASTM A276/A479 standards
- Optional PMI testing and surface inspection protocols
Our Competitive Advantages:
- Complete Vertical Integration: Controlling every step from raw material to finished product
- Rapid Custom Solutions: Special sizes and materials in 5-7 working days
- Global Certifications: ISO 9001:2015, PED 2014/68/EU, and ASME compliant
- Technical Leadership: Dedicated engineering support team
Available Specifications:
- Materials: 304, 304L, 316, 316L, 321, 347, duplex & super duplex
- Sizes: 1/8" to 4" NPT/BSP (other thread standards available)
- Pressure Ratings: Class 150 to 2500
- Special Finishes: Electropolished, passivated, or sandblasted surfaces
- Marking: Laser-etched for permanent identification
Trust our stainless steel screwed welding nipples for critical applications where both threaded convenience and welded reliability are required. Our products are engineered to outperform in the most demanding industrial environments, offering unmatched quality and installation flexibility. Contact our technical team today to discuss your specific project requirements.
►Product Information
| Place of Origin | Zhejiang, China |
| Technic | Casting |
| Thread | BSPT, BSPP, NPT, PS, DIN |
| Material | 316, 316L, 304, 304L, Carbon |
| Application | Oil, Water, Industrial, Chemical |
| Package | Standard sea worth bundles,Standard Plywood cases |
| Size | 1/8"-32" |
| Brand | Yuhao |
►Products Size
| DN | NPS | OD | Nominal Wall Thickness | ||||||||||
| Schss | Sch10S | Sch405 | Sch8os | Sch10 | Sch20 | Sch30 | STD | Sch40 | Sch60 | XS | |||
| 6 | 1/8 | 10.3 | - | 1.24 | 1.73 | 2.41 | - | - | - | 1.73 | 1.73 | - | 2.41 |
| 8 | 1/4 | 13.7 | 1.65 | 2.24 | 3.02 | - | - | - | 2.24 | 2.24 | - | 3.02 | |
| 10 | 3/8 | 17.1 | - | 1.65 | 2.31 | 3.2 | - | - | - | 2.31 | 2.31 | - | 3.2 |
| 15 | 1/2 | 21.3 | 1.65 | 2.11 | 2.77 | 3.73 | - | - | - | 2.77 | 2.77 | - | 3.73 |
| 20 | 3/4 | 26.7 | 1.65 | 2.11 | 2.87 | 3.91 | - | - | - | 2.87 | 2.87 | - | 3.91 |
| 25 | 1 | 33.4 | 1.65 | 2.77 | 3.38 | 4.55 | - | - | - | 3.38 | 3.38 | - | 4.55 |
| 32 | 1 1/4 | 42.2 | 1.65 | 2.77 | 3.56 | 4.85 | - | - | - | 3.56 | 3.56 | - | 4.85 |
| 40 | 1 1/2 | 48.3 | 1.65 | 2.77 | 3.68 | 5.08 | - | - | - | 3.68 | 3.68 | - | 5.08 |
| 50 | 2 | 60.3 | 1.65 | 2.77 | 3.91 | 5.54 | - | - | - | 3.91 | 3.91 | - | 5.54 |
| 65 | 2 1/2 | 73 | 2.11 | 3.05 | 5.16 | 7.01 | - | - | - | 5.16 | 5.16 | - | 7.01 |
| 80 | 3 | 88.9 | 2.11 | 3.05 | 5.49 | 7.62 | - | - | - | 5.49 | 5.49 | - | 7.62 |
| 90 | 3 1/2 | 101.6 | 2.11 | 3.05 | 5.74 | 8.08 | - | - | - | 5.74 | 5.74 | - | 8.08 |
| 100 | 4 | 114.3 | 2.11 | 3.05 | 6.02 | 8.56 | - | - | - | 6.02 | 6.02 | - | 8.56 |
| 125 | 5 | 141.3 | 2.77 | 3.4 | 6.55 | 9.53 | - | - | - | 6.55 | 6.55 | - | 9.53 |
| 150 | 6 | 168.3 | 2.77 | 3.4 | 7.11 | 10.97 | - | - | - | 7.11 | 7.11 | - | 10.97 |
| 200 | 8 | 219.1 | 2.77 | 3.76 | 8.18 | 12.7 | - | 6.35 | 7.04 | 8.18 | 8.18 | 10.31 | 12.7 |
| 250 | 10 | 273 | 3.4 | 4.19 | 9.27 | 12.7 | - | 6.35 | 7.8 | 9.27 | 9.27 | 12.7 | 12.7 |
| 300 | 12 | 323.8 | 3.96 | 4.57 | 9.53 | 12.7 | - | 6.35 | 8.38 | 9.53 | 10.31 | 14.27 | 12.7 |
| 350 | 14 | 355.6 | 3.96 | 4.78 | - | - | 6.35 | 7.92 | 9.53 | 9.53 | 11.13 | 15.09 | 12.7 |
| 400 | 16 | 406.4 | 4.19 | 4.78 | - | 6.35 | 7.92 | 9.53 | 9.53 | 12.7 | 16.66 | 12.7 | |
| 450 | 18 | 457 | 4.19 | 4.78 | - | - | 6.35 | 7.92 | 11.13 | 9.53 | 14.27 | 19.05 | 12.7 |
| 500 | 20 | 508 | 4.78 | 5.54 | - | - | 6.35 | 9.53 | 12.7 | 9.53 | 15.09 | 20.62 | 12.7 |
►Shot Shoot
►FAQ
Q1: Are you manufacturer or trading company?
A: We are not only manufacturer but also a trading company,we have more than 12years export experience.
Q2: Can you supply what's the service?
A: We can supply the kinds of matel raw materies and products,such as pipes,pipe fittings,flanges,coil,sheet,round bar and so on...
Q3: Can you provide the free samples?
A: We can supply the free samples but the sample express freight need paid by yourside.
Q4: What about your delivery time if we placed order?
A: We have large of ready stock,in general we can delivery within 2-10days.
Q5: Which payment terms you can accept?
A: We can accept TT,LC,DP,DA,Western Union or Negotiation.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.