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Haihao Group Ships Complete Stainless Steel 321 Pipeline Component Package to Dubai Client
Haihao Group has successfully delivered a full range of stainless steel 321 pipeline components to a long-term customer in Dubai. This shipment includes weld neck flanges, lap joint flanges, DIN flanges, eccentric reducers, and elbows, all produced in accordance with ASME B16.5, ASME B16.9, and DIN 2635 standards.
These products are designed for demanding industrial environments, including petrochemical, offshore, refinery, and high-temperature pipeline systems where reliability and corrosion resistance are critical.
Stainless steel 321 pipeline component for Dubai client
Product Specifications Supplied
ASME B16.5 Weld Neck Flanges – Stainless Steel 321
| Size | Type | Schedule | Pressure | Standard | Material |
|---|---|---|---|---|---|
| 2″ | WN Tongue Face | S40S | 600# | ASME B16.5 | F321 |
| 2″ | WN RF | S40S | 150# | ASME B16.5 | F321 |
| 1″ | WN RF | S40S | 300# | ASME B16.5 | F321 |
Lap Joint Flanges with Stub Ends – Stainless Steel 321
| Size | Type | Pressure | Schedule | Standard | Material |
|---|---|---|---|---|---|
| 0.75″ | Lap Joint + Stub End | 300# | S40S | ASME B16.5 | F321 |
| 1.5″ | Lap Joint + Stub End | 300# | S40S | ASME B16.5 | F321 |
| 2″ | Lap Joint + Stub End | 150# | S40S | ASME B16.5 | F321 |
| 2″ | Lap Joint + Stub End | 300# | S40S | ASME B16.5 | F321 |
DIN 2635 Flanges – Female Facing DIN 2513 (PN40)
| Size | Type | Pressure | Standard | Material |
|---|---|---|---|---|
| DN20 | WN Female Face | PN40 | DIN 2635 | F321 |
| DN25 | WN Female Face | PN40 | DIN 2635 | F321 |
ASME B16.9 Butt-Weld Fittings – Stainless Steel 321
| Size | Product | Schedule | Standard | Material |
|---|---|---|---|---|
| 2″ × 1.5″ | Eccentric Reducer | S40S | ASME B16.9 | WP321 |
| 2″ | 45° Long Radius Elbow | S40S | ASME B16.9 | WP321 |
Manufacturing Standards and Quality Assurance
All stainless steel 321 flanges and fittings are produced with:
- Precise machining to 125 AARH max. facing finish
- Strict schedule wall thickness (S40S)
- Accurate bevel ends for welding (BE)
- Full heat-resistant and corrosion-resistant properties of SS321
To support the client’s EPC project in Dubai, Haihao Group also provided:
- Chemical composition report
- Mechanical test report (tensile, yield, elongation)
- Hardness test
- PMI inspection
- UT testing
- Surface roughness measurement
- Dimensional inspection records
- EN 10204 3.1 MTC
Why Dubai Clients Choose Haihao Group
- Full product range: flanges + elbows + reducers + stub ends
- Certified materials (A182-F321 / A403-WP321)
- Compliance with ASME & DIN global engineering standards
- Professional documentation for international projects
- Fast delivery to GCC region (Dubai, Abu Dhabi, Oman, Qatar)
Haihao Group remains a trusted manufacturer for stainless steel pipeline components across the Middle East, delivering reliable products and project-level quality.
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