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Contact Us
  • Tel :86-577-86383608 / 86383606
  • Fax :86-577-86868069
  • Mobile: 13777773238
  • Trade manager : lucy zhang
  • Assistant manager: lina wang
  • E-mail: mimi@hsfitting.com
  • Website: www.sstubecn.com
Quality
Home - Quality
  • Pmi Test For Raw Materlal

    Pmi Test For Raw Materlal

  • Chemical Test For Raw Materlal

    Chemical Test For Raw Materlal

  • Inspect For Cutting Material

    Inspect For Cutting Material

  • Inspect  For Product

    Inspect For Product

  • Hardness Test

    Hardness Test

  • Inspect For Pickling

    Inspect For Pickling

  • Inspect For Machining

    Inspect For Machining

  • Penetrant Inspection

    Penetrant Inspection

  • PASSIVATION FILM TEST

    PASSIVATION FILM TEST

  • Impact Test

    Impact Test

  • Tensile Test

    Tensile Test

Quality control
1)Raw Material control
Identity and marking of material(PMI tested 100%)
Conformity of material test reports (each heat number)
Interior lab re-checking (chemical &physical)for each heat number
Dimensions and tolerance
Thickness checking
Quality of surface
2)Manufacturing control
Process procedure flowing card (each of)
Dimensional and tolerance inspection
Heat treatment control
Strictly following the ISO&5S requirements
3)Final Inspection
Non-destructive and/or destructive testing will be conducted
PMI test (100%) Tolerance test (100%) Marking checking
X-ray examination Hardness test IGC corrosion testing
Ultrasonic test Spectrum Analysis Metallurgical tests in addition
to standard testing as per ASTM
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