Ultimate tensile strength (UTS), often shortened to tensile strength (TS), ultimate strength, is the capacity of a material or structure to withstand loads tending to elongate, as opposed to compressive strength, which withstands loads tending to reduce size. In other words, tensile strength resists tension (being pulled apart), whereas compressive strength resists compression (being pushed together). Ultimate tensile strength is measured by the maximum stress that a material can withstand while being stretched or pulled before breaking. In the study of strength of materials, tensile strength, compressive strength, and shear strengthcan be analyzed independently.
Some materials break very sharply, without plastic deformation, in what is called a brittle failure. Others, which are more ductile, including most metals, experience some plastic deformation and possibly necking before fracture.
The UTS is usually found by performing a tensile test and recording the stress versus strain. The highest point of the stress–strain curveis the UTS. It is an intensive property; therefore its value does not depend on the size of the test specimen. However, it is dependent on other factors, such as the preparation of the specimen, the presence or otherwise of surface defects, and the temperature of the test environment and material.
ALS can provide Tensile Tests on 400 kN machine.
Proof Stress Tests can be performed accurately on this machine with range of 0.2% to 1.0%. Graphs for the same can be generated along-with any other load / displacement data as necessary.
We conduct tensile test of Bar, Plate, Pipe, Wire, Cast& Forged Specimen. We also conduct Tensile Test & Proof Load Test of different types of Fasteners& Welded Test Coupons.