HIGH-PRESSURE FORGED STEEL FLANGES & PIPE FITTINGS FROM VIETNAM
Efreso is your strategic B2B sourcing partner for high-pressure Steel Flanges and Pipe Fittings, forged and machined by Vietnam’s leading piping component manufacturing complexes. Produced using Electric Arc Furnace (EAF) low-emission steel substrates, our flanges and butt-weld/threaded fittings deliver exceptional burst resistance, precise dimensional tolerances, and certified chemical integrity for MEP contractors, fire protection systems, and heavy industrial plant builders worldwide.
By sourcing steel flanges and fittings from Efreso, global industrial buyers completely eliminate carbon border adjustment (CBAM) tax risks while securing preferential 0% import duties through Vietnam’s comprehensive Free Trade Agreement network.
3. TECHNICAL SPECIFICATIONS & DIMENSIONAL COMPLIANCE MATRIX
Our forged flanges and pipe fittings conform strictly to major international engineering standards (ASME/ANSI, DIN, JIS), ensuring uncompromised pressure-containment safety.
| Product Category | Steel Flanges (Forged) | Butt-Weld & Threaded Pipe Fittings |
|---|---|---|
| Manufacturing Process | EAF Steel Billet ➔ Closed-Die Forging ➔ Precision CNC Machining ➔ Sealing Face Facing | |
| International Standards |
ASME / ANSI: ASME B16.5, ASME B16.47 (Series A/B), MSS SP-44 DIN / EN: DIN 2576, DIN 2633, EN 1092-1 JIS: JIS B2220 |
ASME / ANSI: ASME B16.9 (Butt-Weld), ASME B16.11 (Forged Threaded/Socket-Weld) DIN: DIN 2605, DIN 2615, DIN 2616 |
| Flanges & Fittings Types / Sizes |
Types: Weld Neck (WN), Slip-On (SO), Blind (BL), Socket-Weld (SW), Threaded, Lap Joint. Sizes: $1/2″$ to $48″$ ($\text{DN15}$ to $\text{DN1200}$) |
Types: $90^\circ/45^\circ$ Elbows, Equal/Reducing Tees, Concentric/Eccentric Reducers, End Caps. Sizes: $1/2″$ to $24″$ |
| Pressure Ratings | Class 150, Class 300, Class 600, Class 900, Class 1500; PN10, PN16, PN25, PN40 | |
| Material Grades | Carbon Steel: ASTM A105 / A105N, ASTM A234 WPB, ASTM A350 LF2 (Low Temp) | |
| Surface Finish | Anti-rust black paint, yellow transparent oil, or hot-dip/electro-galvanized coating; Serrated gasket face | |
| Compliance & Traceability | Mill Test Report (MTR EN 10204 3.1), EPD Report, GHG Inventory, ISO 9001:2015 | |
4. BUSINESS BENEFITS FOR MEP & INDUSTRIAL PIPING CONTRACTORS (FAB MODEL)
⚙️ Leak-Proof Precision & High-Pressure
Precise CNC Machining & Facing:Advanced machining ensures flat, uniform gasket seating surfaces and accurate bolt-hole pitch circles, eliminating bolt misalignment and preventing high-pressure fluid leaks during hydro-testing.
Homogenous Forged Microstructure:Closed-die forging eliminates internal casting voids, providing superior grain flow lines that withstand extreme thermal expansion, mechanical shock, and high-pressure fluid surges in industrial pipelines.
🌿 CBAM Exemption & Low-Carbon Steel
30%–50% Reduced Carbon Intensity:Manufactured from EAF steelmaking plants powered by clean energy grids, Efreso’s piping components drastically lower embodied Scope 3 carbon per ton compared to traditional Blast Furnace steel.
Audit-Ready EPD Documentation:Verified Environmental Product Declarations (EPD) accompany every shipment, protecting European and North American industrial projects from heavy carbon border tax penalties.
💰 Landed Cost Savings via FTAs
0% Preferential Import Duties:Leverage Vietnam’s trade agreements (EVFTA, CPTPP, RCEP, UKVFTA) to import certified flanges and fittings duty-free or under reduced tariff schedules.
Optimized Project Margins:Secure lower landed procurement costs, allowing your MEP contracting or piping distribution business to maintain strong price competitiveness in regional and global tenders.
5. EFRESO SURFACE PROTECTION & EXPORT PACKAGING PROTOCOL
“Precision flanges and fittings require rigorous anti-rust protection and sturdy wooden crating. We guarantee zero thread damage and moisture-free site delivery.”
- Automated Boring & Face Serration Check
- Carbon Footprint Audit
- 100% Dimensions & Wall Gauge Verify
- Independent SGS / BV Inspection
- Anti-Rust VCI Wrap & Wooden Pallet Boxes
- Plastic Thread Protectors Applied
- Secure Lashing & Desiccant Bags
- Weather-Shielded Sea Transit
Export Packaging & Thread Protection: Flanges and threaded fittings are treated with anti-rust oil, fitted with heavy-duty plastic face or thread protectors, and packed into reinforced wooden crates or heavy pallets to prevent mechanical impact during long marine transits.
Third-Party Lab Verification: Independent inspection agencies (SGS, Bureau Veritas, or Intertek) verify material chemistry, hardness, pressure ratings, and dimensional tolerances prior to container stuffing.
6. QUALITY GUARANTEE & B2B INQUIRY
Our Sourcing Commitment
Efreso guarantees that 100% of delivered steel flanges and pipe fittings conform strictly to your contract’s specified pressure classes (ASME, DIN, JIS), material grades (A105, WPB), and dimensional tolerances. Any material non-conformities identified during independent port inspections are fully backed by transparent contract replacement protocols.
Request a Piping Components Project Quote
Connect with our piping sales engineers today for competitive FOB/CIF rates, request original Mill Test Reports (MTR 3.1), or obtain the complete EPD Compliance Pack for your MEP and industrial tenders.