Warranty Policy
Standard Warranty
Hebei Haihao Group warrants that all pipe fittings and flanges supplied:
- Conform to the specification stated on the order (ASTM / ASME / MSS / EN / JIS / GB grade and dimension)
- Are free from defects in material and workmanship at the time of dispatch
- Are accompanied by EN 10204 type 3.1 Mill Test Certificate as standard, type 3.2 (third-party witnessed) on request
Warranty period: 12 months from Bill of Lading date.
What Is Covered
- Wall thickness below specified minimum (per ASTM A234 / B16.9 limits)
- Chemistry outside specified envelope (per heat analysis on the MTC)
- Hardness above NACE MR0175 / ISO 15156 limits when sour service is specified
- Dimensional tolerance failures per the relevant standard
- Surface defects exceeding code acceptance criteria (laminations, deep scratches, weld defects)
- Missing or incorrect markings
What Is Not Covered
- Damage during shipping, handling, or installation
- Misapplication (using a fitting outside its design temperature, pressure, or service)
- Wear, erosion, or corrosion in service
- Modifications by buyer or third parties (cutting, re-welding, re-machining)
- Loss of profits, downtime, or consequential damages
Claim Procedure
Step-by-step timeline
| When | Action | Owner |
|---|---|---|
| Within 48 hours of container arrival | Visible damage / shortage report — photos + survey report | Buyer |
| Within 30 days of B/L date | Receiving inspection / hidden-defect notification | Buyer |
| Within 5 business days of claim email | Claim acknowledgement + claim number issued | Hebei Haihao |
| Within 15 business days | Initial assessment: accept / request more evidence / reject with reasons | Hebei Haihao |
| If accepted, within 30 days | Resolution plan agreed (replacement / repair / refund / credit note) | Both |
| For replacement | New production lead time per the original quote | Hebei Haihao |
| For refund | T/T to original remitter, 7-14 banking days | Hebei Haihao |
Where to file
- Email: haihaojituan@163.com with subject line:
WARRANTY CLAIM — [PO number] — [Heat number] - CC: your assigned sales engineer
- WhatsApp: +86 132 9342 5333 (for urgent / on-site issues)
Required evidence checklist
Please attach all of the following — incomplete submissions delay assessment:
- [ ] Our PO number / proforma invoice number
- [ ] B/L number and date
- [ ] MTC heat number stamped on the affected fitting (clear close-up photo)
- [ ] Photos of the defect (overall + close-up + measuring tape / caliper visible for dimensional issues)
- [ ] Photos of the heat-number hard-stamp to confirm traceability
- [ ] Quantity and weight of affected items vs. total received
- [ ] Independent / third-party inspection report (SGS / BV / TÜV / DNV / Lloyd's), if any
- [ ] For service-induced failure: installation date, service medium, design temperature & pressure, hours in service
- [ ] Original packing photos (to assess whether transit damage)
Sample retention
Please retain the defective sample(s) and the protective packaging for at least 90 days from the claim date — we may request shipment of one specimen for independent metallurgical analysis (we cover return freight on confirmed claims).
Limits of Liability
- Maximum aggregate liability under any claim is limited to the invoice value of the affected goods
- We are not liable for indirect, consequential, or punitive damages
See full Terms in our Terms of Service.
Independent Verification
Buyers are encouraged to:
- Witness production at our plant via SGS / BV / TÜV / DNV / Lloyd's / Intertek (at buyer's cost)
- Conduct receiving inspection upon arrival; report deviations within 30 days
- Cross-check MTC heat number against fitting hard-stamp before installation
Contact
Warranty department: haihaojituan@163.com | Tel: +86 132 9342 5333