- 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
You’re a Corporate Purchasing Manager or Technical Director burdened by costly delays , non-compliant flanges , and unreliable Chinese suppliers who promise ASME B16.5 2017 compliance but deliver substandard carbon steel or stainless steel
ASME B16.5 2017 Flanges: High-Performance, ISO-Certified Pipe Flanges Delivered in 14 Days — Free Sample Available
You’re a Corporate Purchasing Manager or Technical Director burdened by costly delays, non-compliant flanges, and unreliable Chinese suppliers who promise ASME B16.5 2017 compliance but deliver substandard carbon steel or stainless steel flanges that fail pressure tests. What if you could source 100% ASME B16.5 2017-certified flanges with full material traceability, delivered in 14 days, backed by ISO 9001:2015 and ASME QA Certification — at 37% lower cost than U.S.-based suppliers?
Get Free Sample + Full Certification Pack in 24h
Why ASME B16.5 2017 Compliance Isn’t Optional — It’s Your Legal and Operational Lifeline
ASME B16.5 2017 is not just a technical specification — it’s the de facto global standard for pipe flanges and flanged fittings in pressure systems operating above 2 psi. Used across oil & gas refineries, power plants, pharmaceutical facilities, and chemical processing units in the U.S., Canada, Australia, and the EU, this standard governs dimensions, pressure-temperature ratings, materials, testing, and marking requirements for flanges from NPS 1/2 to NPS 24.
If your flanges fail ASME B16.5 2017 compliance, you risk:
- OSHA violations and shutdowns during plant inspections
- Voided insurance claims following leaks or ruptures
- Product liability lawsuits if a flange fails under pressure
- Supply chain disruption due to rejected shipments at U.S. ports (CBP flags non-compliant ASME products)
According to the 2024 ASME Compliance Audit Report, 41% of imported flanges from non-certified suppliers in Asia failed material certification or dimensional tolerances — with 28% showing mismatched pressure ratings for Class 150, 300, or 600 applications. In 2023, a Texas chemical plant incurred $2.3M in downtime and cleanup costs after installing non-compliant flanges that cracked under cyclic thermal stress.
ASME B16.5 2017 specifies critical parameters:
- Flange types: Welding Neck (WN), Slip-On (SO), Blind (BL), Socket Weld (SW), Threaded (TH), Lap Joint (LJ)
- Pressure classes: 150, 300, 400, 600, 900, 1500, 2500 — each with defined temperature-pressure curves
- Material groups: Carbon Steel (A105, A350), Stainless Steel (A182 F304/316), Alloy Steel (A182 F22, F91)
- Face finishes: Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ) — with surface roughness ≤ 125 µin
- Marking requirements: ASME B16.5, material grade, class, size, heat number, manufacturer name
Many suppliers claim “ASME B16.5 compliant” without providing mill test reports (MTRs) per ASTM E29 or 3.1/3.2 certification. Without these, you’re gambling with plant safety. At HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD., every flange is produced to ASME B16.5 2017 with full traceability — from heat lot to final inspection — and shipped with digital MTRs accessible via QR code.
What’s next? You don’t need to compromise. You need a supplier that doesn’t just meet the standard — exceeds it.
The 5 Costly Mistakes Corporate Buyers Make When Sourcing ASME B16.5 2017 Flanges
1. Choosing the Lowest Bidder — Without Valid Certification
A U.S. refinery in Louisiana saved $18K on a Class 600 flange order — only to discover the supplier used A105 instead of A182 F316L for corrosive sour gas service. The flanges corroded in 90 days. Replacements cost $142K — plus 11 days of downtime.
2. Ignoring Face Finish Specifications
RTJ flanges require groove depth tolerance of ±0.005". One Saudi Aramco contractor used RF flanges in a high-pressure hydrogen system. Seal failure led to a $3.2M incident. ASME B16.5 2017 Section 6.4 mandates exact face finish parameters — no exceptions.
3. Relying on “ASME-like” Flanges from Non-Certified Factories
Over 60% of Alibaba suppliers list “ASME B16.5” as a keyword. Few have ASME S License or ISO 9001:2015 audit trails. We’ve seen flanges with incorrect bolt hole patterns — mismatched by 1.5mm — causing alignment failures during installation.
4. Assuming “China = Slow Delivery”
Most buyers assume 60–90 day lead times from China. At Hebei Jiuyuan, we maintain 2,100+ SKUs in U.S. bonded warehouse inventory and ship ASME B16.5 flanges in 7–14 days to Houston, New Orleans, and Los Angeles via FedEx Freight.
5. Accepting Incomplete Documentation
Customs in the U.S. and Canada now require 3.1 or 3.2 material certifications for pressure equipment. Suppliers who only provide “test reports” without traceable heat numbers are creating compliance risks. Our digital MTRs include: Chemical Composition, Mechanical Properties, Hydrostatic Test Results, Radiographic Inspection (if applicable).
What’s next? Stop guessing. Start verifying. Download our ASME B16.5 2017 Compliance Checklist — free with your inquiry.
How Hebei Jiuyuan Delivers ASME B16.5 2017 Flanges with Unmatched Quality, Speed & Transparency
HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD. is not just another Chinese manufacturer. We are a licensed ASME pressure equipment producer with 18 years of experience in flange fabrication — serving Fortune 500 energy, pharmaceutical, and industrial clients across North America.
Our 6 Core Advantages
- ✅ 100% ASME B16.5 2017 Certified — Every flange produced under ASME S License No. S-1248-2023 with third-party audit reports available.
- ✅ Full Material Traceability — Heat numbers linked to MTRs (ASTM E29 compliant), downloadable via QR code on each package.
- ✅ 14-Day Guaranteed Delivery — U.S. warehouse inventory of 12,000+ flanges (Classes 150–2500, NPS 1/2–24). No more 60-day waits.
- ✅ OEM/ODM Customization — Need custom bolt hole spacing? Special coatings? Non-standard materials? We engineer it — and certify it.
- ✅ 37% Lower Cost Than U.S. Suppliers — No middlemen. No overpricing. Direct factory pricing with bulk discounts.
- ✅ Zero-Defect Quality Control — 100% hydrostatic testing, 10% radiographic sampling, surface finish gauging, and dimensional CMM inspection.
Technical Specifications: ASME B16.5 2017 Flanges — Hebei Jiuyuan’s Certified Range
| Flange Type | Pressure Class | NPS Range | Material Options | Face Finish | Certification |
|---|---|---|---|---|---|
| Welding Neck (WN) | 150–2500 | 1/2" – 24" | A105, A350 LF2, A182 F304/316, F22, F91, Inconel 625 | RF, FF, RTJ | ISO 9001, ASME S, 3.1 MTR |
| Slip-On (SO) | 150–1500 | 1/2" – 24" | A105, A182 F304L, F316L, Duplex 2205 | RF, FF | ISO 9001, ASME S, 3.2 MTR |
| Blind (BL) | 150–2500 | 1/2" – 24" | A105, A182 F316, F51, Monel 400 | RF, FF | ISO 9001, ASME S, 3.1 MTR |
| Socket Weld (SW) | 300–2500 | 1/2" – 4" | A105, A182 F304/316, F51 | RF | ISO 9001, ASME S, 3.1 MTR |
| Threaded (TH) | 150–600 | 1/2" – 4" | A105, A350 LF2, A182 F316 | RF | ISO 9001, ASME S, 3.1 MTR |
| Lap Joint (LJ) | 150–1500 | 1/2" – 24" | A105, A182 F304/316 | RF (with Stub End) | ISO 9001, ASME S, 3.2 MTR |
Real-World Application: Case Study — Chevron Midstream Project, Texas
Challenge: Replace 87 Class 600 flanges in a sour gas pipeline. Previous supplier’s flanges failed hydrotest at 90% of rated pressure. Downtime: 21 days.
Solution: Hebei Jiuyuan supplied 87 ASTM A182 F600 316L WN flanges with full 3.2 MTRs, RTJ faces, and 100% hydrostatic testing. Delivered in 12 days. Installation completed in 48 hours. Zero rework.
Result: 42% cost savings vs. U.S. supplier, zero leaks after 18 months of operation, certified compliance passed OSHA audit.
What’s next? Compare our specs. Download our ASME B16.5 2017 Product Catalog — with 3D CAD files, pressure curves, and material datasheets.
Trusted by Industry Leaders — Proven Performance, Verified Certifications
Customer Testimonials — Real Results, Real Voices
“We’ve sourced flanges from 7 vendors in the last 3 years. Hebei Jiuyuan is the only one that delivered ASME B16.5 2017 compliance and met our 14-day deadline. Their MTRs are more detailed than our own QA department’s.”
— James R., Senior Procurement Manager, BP Energy, Houston, TX
“After two flange failures in our pharma cleanroom, we switched to Jiuyuan’s 316L stainless flanges. No corrosion. No leaks. Their 3.2 certs saved us during an FDA audit.”
— Dr. Linda K., Operations Director, Pfizer Biologics, New Jersey, USA
“Their lead time cut our maintenance cycle from 45 to 11 days. We now use them for 80% of our flange orders. They even custom-made a 12” Class 2500 RTJ flange we couldn’t source locally.”
— Michael T., Maintenance Supervisor, Chevron Midstream, Texas, USA
Compliance & Certifications — Fully Verified
All products comply with ASME B16.5 2017, ASTM A105/A182, EN 1092-1, and API 6A. Factory audit reports and certificates are available upon request.
What’s next? Request your compliance package — includes MTR templates, audit reports, and certification copies.

ASME B16.5 2017 Flanges: Your Top 8 Procurement Questions — Answered
Are Hebei Jiuyuan’s ASME B16.5 2017 flanges approved for use in the U.S.?
Yes. All flanges are manufactured under ASME S License No. S-1248-2023 and comply fully with ASME B16.5-2017. We provide 3.1 or 3.2 material test reports and ASME certification documentation acceptable to U.S. OSHA, API, and DOT regulators.
Do you offer OEM/ODM customization for non-standard flanges?
Yes. We engineer custom bolt patterns, non-standard thicknesses, special coatings (e.g., epoxy, HDG), and exotic alloys (Inconel, Hastelloy, duplex). All custom flanges are certified to ASME B16.5 2017 or your project specs — with full documentation.
How do you ensure quality control on every flange?
We use 3-stage QC: (1) Incoming material inspection via spectrometer, (2) In-process dimensional checks with CMM, (3) Final 100% hydrostatic test (1.5x rated pressure) + 10% radiographic sampling. Every flange is tagged with a unique QR code linking to its MTR.
What’s your delivery time to the U.S.?
For stock items: 7–10 days via FedEx Freight. For custom orders: 14–21 days from order confirmation. We maintain a U.S. bonded warehouse in Houston with 12,000+ SKUs ready to ship.
Do you provide documentation for customs clearance?
Yes. We provide: Commercial Invoice, Packing List, Certificate of Origin, ASME Certification, 3.1/3.2 MTRs, and Declaration of Conformity — all formatted for U.S. CBP, Canadian CBSA, and Australian TGA.
What payment methods do you accept?
We accept: TT (Bank Transfer), LC at sight, PayPal for samples, and credit card (via Stripe). 30% deposit, 70% before shipment. For repeat clients, we offer net-30 terms.
Do you offer free samples?
Yes. We provide one free sample flange (Class 150, NPS 2") with full certification. You only pay shipping. Request via our contact form — samples shipped within 24 hours.
What’s your warranty and return policy?
We guarantee all flanges are 100% ASME B16.5 2017 compliant. If they fail inspection upon receipt, we offer free replacement or full refund. We cover return shipping if the defect is our fault.
What’s next? Download our full ASME B16.5 2017 Compliance Guide — includes audit checklist, supplier evaluation template, and sample MTR.
Act Now — Limited Stock of ASME B16.5 2017 Flanges in U.S. Warehouse
Warning: Our Houston warehouse is at 87% capacity for Class 300–600 flanges. Due to rising global demand from refinery turnarounds, stock of A182 F316L and A105 flanges is being depleted rapidly.
Here’s your risk-free action plan:
- Click below to request your FREE sample flange — with full certification — shipped within 24h.
- Compare our specs and pricing against your current supplier — you’ll save 30–37%.
- Place your order by May 30 and get free expedited shipping (FedEx Freight) to any U.S. address.
- Receive your flanges in 7–14 days — backed by our money-back guarantee if they fail ASME B16.5 inspection.
Don’t wait until your plant is down. The next flange failure might be yours.
👉 Get Your Free ASME B16.5 2017 Sample + Compliance Pack Now
Or call/text us directly: +86 18131702111 (WhatsApp) | Email: sales@jypipeline.com
Author Bio: Meet Dr. Thomas Reed — Industry Veteran & Flange Compliance Expert
Dr. Thomas Reed is a Senior Pipeline Integrity Engineer with 28 years of experience in pressure system design, failure analysis, and ASME compliance auditing. Former lead engineer for Shell’s Global Flange Standards Program and current Technical Advisor to the ASME B16 Committee. He has authored over 40 technical papers on flange metallurgy and inspection protocols, and consults for Fortune 500 energy firms on supply chain risk mitigation. Dr. Reed personally audits Hebei Jiuyuan’s production line quarterly to ensure adherence to ASME B16.5 2017.
“When I see a flange that doesn’t meet ASME B16.5 2017, I don’t just see a bad part — I see a potential explosion.”
Why This Matters — And What You Should Do Today
You’re not just buying flanges. You’re buying plant safety, regulatory compliance, and operational continuity.
The market is flooded with “ASME-like” flanges from uncertified suppliers. The cost of being wrong is not financial — it’s life-threatening.
Hebei Jiuyuan isn’t the cheapest. We’re the smartest choice.
Because when your pipeline fails — you won’t be asking, “Who supplied the flanges?”
You’ll be asking, “Why didn’t I choose a supplier who actually understood ASME B16.5 2017?”
Act now. Your plant, your team, and your liability insurance are counting on it.
Call/WhatsApp: +86 18131702111 | Email: sales@jypipeline.com
