Seamless Industry Long Neck Durable Lap Joint Butt Welding Stainless Steel Stub End
Price:
Negotiation
MOQ:
100kgs
Delivery Time:
15days
Brand:
YUHAO
Product Description
Seamless Industry Long Neck Durable Lap Joint Butt Welding Stainless Steel Stub End
Product Specifications
| Wall Thickness | SCH 5s-SCH XXS |
| Customized Support | OEM, ODM, OBM |
| Surface Treatment | Mirror, Polishing, Sandblasting, Sand rolled |
| Connection Type | Butt Welded |
| Application | Oil, Gas, Chemical, Petrochemical, Power, etc. |
| Packing | PLY-wooden case or pallet or as per client requirements |
| Standard | EN, ASTM, AISI, DIN, JIS |
| Grade | 304, 304L, 316, 316L, 410, 420, 439 |
| Service | Product Customization |
| Size | 1/2" up to 48" |
| Type | Long or Short |
Product Description
Our stainless steel butt welded stub ends are meticulously crafted to create perfect transitions between pipes and lap joint flanges. Manufactured from premium 304/316/316L/321 and duplex stainless steels, these components deliver:
- Flawless Alignment: CNC-machined surfaces ensure perfect mating with lap joint flanges
- System Versatility: Enables easy disassembly for maintenance while maintaining pipe integrity
- Pressure Resilience: Engineered to withstand ANSI Class 150 to 2500 pressure requirements
- Corrosion Defense: Superior resistance to pitting, crevice corrosion, and stress corrosion cracking
Manufacturing Excellence
We combine cutting-edge technology with uncompromising quality standards:
Advanced Production Capabilities
- High-precision CNC machining (±0.004" tolerance)
- Automated orbital welding with full penetration assurance
- Complete in-house heat treatment and finishing
Stringent Quality Protocols
- 100% dimensional verification to ASME B16.25 specifications
- Full material traceability with certified MTC 3.2 documentation
- Optional PMI testing and comprehensive NDE services
Material Options & Specifications
- Available in 304, 304L, 316, 316L, 321, 347, and duplex grades
- Sizes from 1/2" to 60" diameters
- Pressure ratings from 150# to 2500#
- Custom thicknesses and special finishes available
Trust our stainless steel butt welded stub ends for critical applications where flange connection reliability is non-negotiable. Our engineering team provides complete technical support from specification to installation.
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 Chart
| DN | NPS | OD | Nominal Wall Thickness |
|---|---|---|---|
| 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 |
Factory Images
Frequently Asked Questions
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: Which payment terms you can accept?
A: We can accept TT, LC, DP, DA, Western Union or Negotiation.
Q3: How do you ensure product quality?
A: We have a dedicated team of experts who rigorously inspect each stage of the production process. Every product undergoes quality testing at our factory before it is shipped.
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.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Zhejiang Yuhao Stainless Steel Co., Ltd
Location
NO.81, LIUZHAI SECTION, LUODONG SOUTH ROAD, YONGZHONG STREET, LONGWAN DISTRICT, WENZHOU, CHINA
Contact Person
Department 1