Stainless Steel 304 304L 316 316L Butt Welded Pipe Fitting Asme B16.5 Long Short Lap Joint Stub End
Stainless Steel 304 304L 316 316L Butt Welded Pipe Fitting Asme B16.5 Long Short Lap Joint Stub End
►Products description
Our stainless steel butt welded stub ends are meticulously crafted to create flawless connections between pipes and lap joint flanges. Manufactured from premium-grade 304/316/316L and duplex stainless steels, these critical components deliver:
- Perfect Flange Alignment: CNC-machined faces ensure precise mating with lap joint flanges
- System Versatility: Enables easy disassembly for maintenance while maintaining pipe integrity
- Pressure-Rated Reliability: Designed to meet ANSI Class 150 to 2500 requirements
- Superior Material Performance: Excellent resistance to corrosion, erosion, and high temperatures
Advanced Manufacturing Expertise:
We set industry standards through our:
Cutting-Edge Production Capabilities:
- High-precision CNC machining (±0.004" tolerance)
- Automated orbital welding with full radiographic testing
- Complete in-house heat treatment facilities
Uncompromising Quality Standards:
- 100% compliance with ASME B16.25 specifications
- Full material traceability with certified MTC 3.2 reports
- Optional PMI testing and NDE services available
Superior Material Selection:
Available in multiple stainless steel grades including:
- Standard 304/316/316L
- High-temperature 321/310S
- Corrosion-resistant duplex 2205/2507
Precision Specifications:
- Sizes: 1/2" to 48" diameters
- Wall thickness: SCH 10S through SCH 160
- Surface finishes: Standard mill finish to polished #8 mirror
Trust our stainless steel butt welded stub ends for your most demanding flange connection requirements. Our combination of precision engineering, rigorous quality control, and industry expertise ensures flawless performance in critical applications. Contact our technical team today for project-specific solutions.
►Industry-specific attributes
| Place of Origin | China |
| Brand name | Yuhao |
| Connectivity | Welding |
| Size | 1/2" up to 48" |
| Wall thickness | SCH 5s-SCH XXS |
| customized Support | ASTM DIN EN BS JIS GOST etc. |
| Surface treatment | Sand blasting, Roll blasting, Pickled or Polished |
| Type | Long or Short |
| Pressure | High Pressure |
| Packing | Cartons, Pallet, Cases |
►Product 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 |
►Factroy Shoot
►FAQ
Q1: What is your minimum order quantity?
A: The MOQ for each product is different, so it would be recommended to refer to the detail page of the product you are interested in. If you need further clarification, send me the product link, and I will reply as soon as possible.
Q2: Can I customize products?
A: Yes. Let me know the specific customization requirements, and I will get back to you as soon as possible.
Q3: How long is your production lead time?
A: 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.
Q4: Can you reply to messages in a timely manner?
A: Contact us with your detailed inquiry, you will be replied within 6 hours.
Q5: Where is your factory located?
A: Our factory is located in wenzhou City, zhejiang Province,China.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.