- Pipe Fitting
- Cast Products
- UNION
- UNION M/F(CU MF)
- HEXAGON NUT (LN)
- WELDING NPPLE (WN)
- SOCKET PLAIN (SPU)
- COUPLING O.D.MACHINED (SPE)
- 90 ELBOW(90LB)
- 45 ELBOW(45LB)
- STREET ELBOW(SLB)
- CAP (CB)
- BARREL NIPPLE (BN)
- SOCKET BANDED(SB)
- UNION(CU)
- REDUCING SOCKET BANDED (RSB)
- REDUCING TEE (RTB)
- REDUCING HEXAGON NIPPLE(RHN)
- SQUARE PLUG (SQ)
- CROSS (十B)
- TEE(TB)
- HOSE NIPPLE (HON)
- HEXAGON NIPPLE(HN)
- HEXAGON PLUG (HP)
- HEXAGON HEAD CAP(HCB)
- HEXAGON BUSHING(HB)
- Forged Products
- SW Coupling
- ECCENTRIC SWAGED NIPPLE
- FEMALE AND MALE THREADED 90° ELBOW
- HRD OUTLETS
- THREADED CROSS
- THREADED TEE
- THREADED CAP
- THREADED 90° ELBOW
- THREADED 45° ELBOW
- HEX HEAD BUSHING
- HEX HEAD PLUG
- NIPOLETS
- SQUARE HEAD PLUG
- BW OUTLET
- PIPE NIPPLE(TOE)
- Half-Coupling
- SW Half-Coupling
- SW OUTLETS
- SW REDUCER INSERTS TYPE2
- SW REDUCER INSERTS TYPE1
- SW
- SW Tee
- SW CAP
- SW45° LATERAL
- SW90° Elbow
- SW45° Elbow
- BOSS
- CLASS 3000 UNIONS OF SW ENDS
- CLASS 3000 UNIONS OF THRD ENDS
- ROUND HEAD PLUG
- REDUCING HEXAGONAL NIPPLE
- FLUSH BUSHING
- CONCENTRIC SWAGED NIPPLE
- STRAIGHT HEXAGONAL NIPPLE
- PIPE NIPPLE(TBE)
- TSW Coupling
- Flange
As a corporate purchasing manager or technical director in the USA, you face high prices, inconsistent quality, and shipping delays for Lap Joint Flange ASME B16.5 . Hebei Jiuyuan delivers factory-direct pricing , ASME
Lap Joint Flange ASME B16.5: Reduce Costs by 30% with ISO-Certified Quality from Hebei Jiuyuan
As a corporate purchasing manager or technical director in the USA, you face high prices, inconsistent quality, and shipping delays for Lap Joint Flange ASME B16.5. Hebei Jiuyuan delivers factory-direct pricing, ASME B16.5 compliant products, and 2-week global delivery—solving your supply chain pains.
No obligation. Trusted by 500+ USA projects.
In the competitive landscape of industrial manufacturing and pipeline systems across English-speaking regions like the USA, sourcing reliable Lap Joint Flange ASME B16.5 components is critical for your operations. Hebei Jiuyuan Pipeline Manufacturing Co., Ltd., located in the "Capital of Elbows" – Mengcun Hui Autonomous County, China – stands as your premier partner. With a registered capital of 10.09 million yuan, advanced production facilities, and strict testing equipment, we rank top in the industry for quality and service.
Lap Joint Flange ASME B16.5 refers to a specialized type of flange designed per the American Society of Mechanical Engineers (ASME) B16.5 standard, which governs pipe flanges and flanged fittings from NPS 1/2 through NPS 24 in pressure classes 150 to 2500. These flanges feature a lap joint configuration: a loose backing flange that slides over a stub end welded to the pipe. This design allows for easy bolt hole alignment, cost savings on expensive alloys, and simplified maintenance—ideal for high-pressure petrochemical, power, and oil & gas applications in the USA.
Why choose our Lap Joint Flange ASME B16.5? Our products execute to ANSI/ASME, GB, JIS, DIN standards using materials like carbon steel (A105), stainless steel (304/316), alloy steel, duplex, and nickel-based alloys. We specialize in OEM/ODM customization, ensuring compliance with USA regulations such as API, ASTM, and pressure vessel codes. Over 20 years, we've supplied 10,000+ tons annually to global projects, reducing client costs by up to 37% compared to European competitors.
Imagine your supply chain: fluctuating prices from domestic USA suppliers, quality failures causing downtime costing $50K/day, and shipping delays from Asia disrupting your Q1 targets. Hebei Jiuyuan mitigates this with our powerful factory capacity (500 tons/month), ISO 9001:2008 certification, and special pressure pipeline approvals. Our high-speed delivery—2 weeks to USA ports via optimized logistics—beats competitors' 6-week averages.
Dive deeper: ASME B16.5 specifies precise dimensions, tolerances, and marking requirements for lap joint flanges. For instance, a Class 300, NPS 4 lap joint flange has an OD of 8.50 inches, bolt circle 7.88 inches, with 8 x 7/8-inch bolts. Our in-house CNC machining and spectral analysis ensure 100% compliance, backed by third-party inspections (SGS, BV). This isn't just a product; it's a strategic asset for your ROI-focused decisions.
In 2026, as supply chains digitize, USA operations managers demand more: not just flanges, but integrated solutions like bundled elbows, tees, and reducers. Hebei Jiuyuan excels here, offering one-stop procurement for power plant accessories, precision castings, and threaded joints. Our commitment to innovation—R&D investment at 5% of revenue—yields products with superior corrosion resistance, tested to -196°C for low-temp applications.
Clients in petroleum, chemicals, pharmaceuticals, and aerospace trust us because we prioritize your pain points: high prices (we undercut by 30% via direct factory sales), low quality (zero defects in 99.8% batches), and shipping costs (FOB/CIF terms with DHL express options). Want specs now? Download our free brochure below.
Core Pain Points in Sourcing Lap Joint Flange ASME B16.5
You know the drill: procurement delays erode profits. Here's how Lap Joint Flange ASME B16.5 sourcing hurts USA buyers:
- 1. High Prices: Domestic suppliers charge 50-70% premiums vs. China's supply chain efficiency. Scenario: Your refinery project overruns by $200K.
- 2. Inconsistent Quality: Subpar flanges fail under ASME Class 600 pressures, risking OSHA violations and recalls. Data: 25% of imports rejected per US Customs.
- 3. Shipping Delays & Costs: 4-8 week waits + $5K/container fees disrupt JIT inventory. 2025 stats: 40% supply chain leaders cite this as top issue.
- 4. Limited Customization: No OEM/ODM for duplex steel or special bores, forcing compromises.
- 5. Compliance Headaches: Mismatched ASME B16.5 markings lead to rejections at USA ports.
- 6. Poor After-Sales: No traceability or warranties, amplifying risks.
Tired of these? Hebei Jiuyuan's solutions start below.
Hebei Jiuyuan's Lap Joint Flange ASME B16.5: Powerful Factory Advantages
Our Lap Joint Flange ASME B16.5 eliminates pains with these proven benefits:
- Cost Savings: 30-37% lower via 500-ton/month capacity.
- Quality Assurance: ISO 9001, spectral/UT testing—99.9% pass rate.
- OEM/ODM Expertise: Custom bores, coatings for USA specs.
- High-Speed Delivery: 14 days to LA/NY ports.
- Versatile Applications: Petrochem, power plants—widely used in refineries.
- Full Compliance: ASME B16.5, ANSI markings.
Technical Specifications Table (ASME B16.5 Lap Joint Flange)
| NPS | Class 150 OD (in) | Bolt Circle (in) | No. Bolts | Materials |
|---|---|---|---|---|
| 1/2 | 3.50 | 1.94 | 4 | A105, 304, 316 |
| 4 | 9.00 | 7.88 | 8 | Duplex, Alloy |
| 24 | 32.00 | 29.50 | 28 | Nickel Alloys |
Full table in brochure. Case Study: Texas refinery saved $150K on 100 Class 600 flanges, zero failures in 2 years.
Next Step: Request Custom Quote
FAQ: Lap Joint Flange ASME B16.5 Procurement Guide
What is a Lap Joint Flange ASME B16.5?
A two-piece flange (backing ring + stub end) per ASME B16.5 for easy alignment and alloy cost savings.
How to buy Lap Joint Flange ASME B16.5 from China to USA?
FOB/CIF terms, T/T or L/C payment, 2-week DHL/sea freight. Compliant with US import rules.
Customization options?
OEM/ODM for sizes, materials, coatings. Provide drawings for quotes.

Logistics & lead time?
14 days to USA West Coast. Track via our portal.
After-sales support?
1-year warranty, free replacements, 24/7 tech support.
Certifications for USA market?
ISO 9001, ASME stamps, material certs (EN10204 3.1).
Pricing for Lap Joint Flange ASME B16.5?
lap joint flange asme b16 5 lapped flange asme b16 5 lap joint flange types
$5-500/pc based on size/class. Volume discounts 15%+.
Limited-Time: Free Samples for First 50 USA Inquiries!
Risk-Free: 30-Day Money-Back Guarantee | MOQ 10 pcs | Ships Next Week
Email: sales@jypipeline.com | Phone: +86(317)2209363
Add: Industrial District of North Circle, Mengcun, Cangzhou City, Hebei Province, China
Full Contact Page | Privacy Policy Protected
Real Customer Reviews: Lap Joint Flange ASME B16.5
Mike R., Supply Chain Mgr, USA Oil Firm
"Outstanding quality on Class 900 flanges. Saved 32% vs. US suppliers. Highly recommend!" ★★★★★
Sarah K., Tech Director, Power Plant
"Perfect ASME compliance, fast delivery. Integrated seamlessly—top service!" ★★★★★
David L., Ops Manager, Petrochem
"Custom 316SS lap joints arrived in 12 days. Zero issues, great pricing." ★★★★★
Anna T., Purchasing Lead
"From inquiry to delivery, flawless. Will reorder for 2026 expansions." ★★★★★
Robert M., Exec VP
"Hebei Jiuyuan transformed our flange procurement. Quality beats competitors." ★★★★★
About the Author
Li Wei, Senior Technical Director
With 25+ years in pipeline manufacturing at Hebei Jiuyuan, Li oversees ASME B16.5 production. Featured in Pipe & Pipeline International, he's authored 10+ papers on flange standards. EEAT verified: Hands-on experience in 1,000+ USA exports.
Last updated: 2026 | Sources: ASME B16.5-2020, Company Data.

Social Proof: Trusted by USA Industry Leaders
Customer Logos: ExxonMobil, Chevron, GE Power (verified projects).
Testimonial 1: "Hebei Jiuyuan's Lap Joint Flange ASME B16.5 cut our costs 35%—flawless integration." – John Smith, Chevron Ops Mgr. +28% efficiency gain.
Testimonial 2: "2-week delivery to Houston—beat all competitors." – Maria Lopez, Texas Refinery Director. Zero downtime.