DEWEI Stainless Steel

QUALITY
To satisfy customers' expectations, Dewei is totally committed to implementing and maintaining the Quality Management System. Quality problem arising in various areas are to be identified and solved with speed, technical and efficiency.
Destructive Testing
Product Analysis/Chemical Analysis
Tensile Test at room temperature and hot tensile test
Bend Test
Impact Test up to -196°C
Micrographic Examination up to 500X
Macrographic Examination
Ferrite Counting
Examination acc. to ASTM E562
Corrosion Test (ASTM A262; ASTM A923; ASTM G48; ASTM G28)
Hardness Test (also NACE MR 01-75)


Non Destructive Testing
Eddy Current Flaw Detector
Hydrostatic Testing Machine 
X Ray Flaw Detection
Penetrant Examination
Ultrasonic Examination
Magnetic Particle Examination


The main certificate
Pressure Pipeline Type Test2013
API 5LC CRA Line Pipe2014
ISO 9001:2008 Quality Management System Standards2014
PED certificate 2014


TüV Rheinland ASME Certificate2014
ISO 14001 Certfication2015
ISO 18001 OHSAS Certification2015


Foreign Trade Operator Registration Form2015
Manufacture License of Special Equipment (GradeA2)2015
Work Safty Standardization Certificate (Grade II)2016
DNV.GL2016