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Preshipment Inspection > Shandong Stainless Steel Pipe Bar Piping Construction Building material Plate Coil Tube Water Oil


The onsite inline product QC inspections in Shandong for stainless steel coil, steel water oil pipes, building contruction bars, plates, industrial tubes will check:

  • Product specs, and special requirements check
  • Quantity & assortment verifying
  • Labels, markings, logos & barcodes quality check
  • Packaging, safety and drop tests onsite
  • On-site safety, regulation & function testing
  • Aesthetic, visual defects, workmanship, surface and function inspection
  • Measurements & sizes check

The 3rd party preshipment inspections are commonly as below:


Shandong steel pipe quality assurance

For an example, please find below inspection list for a steel pre-shipment inspection:

CHECK LIST COMMENTS RESULT
AS PER ASTM-557M-94 & 1251-94-0 VISUAL DEFECTS (SMOOTH SURFACE, NO WATER STAIN, NO SCRATCHES, NO FRICTION, ETC.)-100% PASSED
Test all detailed functions according the instruction manual or the item’s box--II PASSED
visual check--II PASSED
Perform a measurement and weight check--S2 PASSED
perform a barcode scanning test-Barcode must be scanned and inspector has to check if numbers found are conform with numbers below the barcode-S2 PASSED
Perform a rub test for printing and marking ; Adhesive test for coating if applicable PASSED
Check if the base of the item wobbles by placing it on a flat, glass surface--II PASSED
Coating thickness check--II
Min>16um or average 16um
PASSED
product should be compared with the approval sample and client’s requirement-There should be no obvious size, shape, style, or color deviation.-II PASSED
perform quantity and assorment check in each package--S3 PASSED
Perform a humidity test on solid wood and MDF parts with wood humidity tester(brand name: testo), Please fill the detail finding table for wood humidity test. The sample should be taken:  - On S3 PASSED
If there is a  certificate of fumigation for wood packaging and Raw material certificate and Product quality certificate .(If applicable) N/A
Hardness testing-S1 FAILED
Pencil Hardness testing-S1
Use the HB pencil test
PASSED
Coating adhesive-S1 FAILED
Diagonals Windage (<5 mm)--S1 FAILED
Edge Unstraightness (<1mm/M)--S1 FAILED
Warpage <5mm/M--S1 N/A


3rd party preshipment products goods factory onsite inline final Random AQL PSI TPI FRI DUPRO third party on-site in-line pre-shipment QA QC check quality control assurance inspection services in China India Vietnam Thailand Malaysia Bangladesh Taiwan.


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