Inspection and Test
This test is conducted only when specifically requested
The photo on the top shows a test piece subjected to the
flange test. There are no cracks on the welded section or on the base metal.
Hardness test is used in Rockwell 'B' scale for raw
material / tube / pipe as per A 213 / A249 / A269
Each length of finished pipe is subjected to the
hydrostatic or pneumatic pressure test. Each pipe must withstand the
pressure without leakage.
This test is conducted to check the strength of the
welded section by subjecting, it to extreme compression stress. If the test
piece withstands the specified compression stress without cracking, it is
determined to be acceptable
Reverse Flattening Test
The photo shows an expanded view of a pipe interior.
There are no cracks or blow holes can be observed on the welded section.
Hydrostatic/Pneumatic Pressure Test
As per ASTM-A450 & 530 Standards, 100% Hydrostatic
is carried out on all pipes & tubes using Hydraulic & pneumatic
The standard procedure for this test is to flare the end
of the pipe to a diameter 1.2 times the outside diameter. As shown in the
photo on the right, no cracks are to be found at flared parts.
Universal Testing Machine
UTS is used for tensile strength / elongation and other