Plastic Astm Standard Tensile Test Specimen Dimensions

D5947 test methods for physical dimensions of solid plastics specimens.

Plastic astm standard tensile test specimen dimensions.

Astm d638 is performed by applying a tensile force to a sample specimen and measuring various properties of the specimen under stress. Materials with a thickness greater than 14 mm 0 55 in shall be reduced by machining. However for testing specimens in the form of thin sheeting including film less than 1 0 mm 0 04 in in thickness astm standard d882 is the preferred test method. From these measurements the following properties can also be determined.

D4000 classification system for specifying plastic materials. It is conducted on a universal testing machine also called a tensile testing machine at tensile rates ranging from 1 to 500 mm min until the specimen fails yields or breaks. Though astm d638 measures many different tensile properties the following are the. A universal testing machine tensile testing machine is needed to perform this test.

Astm d638 is one of the most common plastic strength specifications and covers the tensile properties of unreinforced and reinforced plastics. Properties that are directly measured via a tensile test are ultimate tensile strength breaking strength maximum elongation and reduction in area. Intertek laboratories provide astm d 638 plastics tensile testing data generation services including tensile strength tensile modulus and elongation. Specimens for astm d638 are dumbbell shaped with either a 25 mm or 50 mm gauge length.

Tensile tests measure the force required to break a plastic sample specimen and the extent to which the specimen stretches or elongates to that breaking point. This test method uses standard dumbell or dogbone shaped specimens under 14mm of thickness. An absolute accuracy of 10 μm for a 50 mm gauge length and relative accuracy within 0 5 are required by astm d638 for measuring the tensile modulus of elasticity. Gauge length changes with astm e83 class b 2 accuracy.

Tensile testing also known as tension testing is a fundamental materials science and engineering test in which a sample is subjected to a controlled tension until failure. D618 practice for conditioning plastics for testing. A 50 mm gauge length is recommended. D638 test method for tensile properties of plastics.

Iso 527 2 is an international standard for determining the tensile properties of reinforced and non reinforced plastics. D6287 practice for cutting film and sheeting test. D883 terminology relating to plastics.