Quality Control
Quality Control
Chemical composition
Corrosion test
Dimensional test
Eddy current test
Mechanical properties (tensile, yield, elongation)
Flare test
Flattening test
Grain size
Hardness
Hydrostatic test
Positive material identification (PMI)
Surface roughness
Certifications
Standard:
ISO 9001:2015
Number:
44100112102
Issue Date:
2023-02-25
Expiry Date:
2026-02-24
Scope/Range:
Stainless steel tubes
Issued By:
TUV NORD CERT GmbH
Company Profile
Suzhou Meilong Tube Co., Ltd.
Contact Person: MrJohn Chen
