Every step of inspection has been processed punctiliously from steel coil inspection to finished products certification.
All kinds of our products are inspected thoroughly by our skilled engineers moreover Mitr Steel has developed continuously our production line in every production procedure. Every step of inspection has been processed punctiliously from steel coil inspection to finished products certification.
This is evident to confirm that our customer will receive total qualified products to international standard.
1.Raw Material Test
a . Chemical test by our outsource partners
b . Tension test using our tensile testing machine
a . Pipe straightening test
b . Pipe surface quality test
3. Sizing Test
a . Diameter test
b . Length test
c . Wall thickness Test
d . Weight Test
4. Welded joints Test by applying the Ultrasonic Testing Machine
5. Pressure Durability Test by applying the Hydrostatic Pressure Testing Machine
6. Mechanical Properties Test
a . Bending test
b . Flattening Test
c . Expansion Test
7. Coating Inspection
a . Test of zinc thickness and surface smoothness on the galvanized pipes
b . Test of coating thickness and surface smoothness on the spiral pipes
8. Test for thread by applying the threaded ring gauge