ASTM D695 is a test method for determining the compressive properties of unreinforced and reinforced plastics. It is used in conjunction with the equivalent tensile test standard ASTM D638. What does this standard measure? ASTM D695 provides the compressive strength, compressive yield point, and modulus of a material. The standard specimen used for strength determination […]
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ASTM D3039 is a widely used test standard for determining the tensile properties of composite materials. Composite materials are increasingly favored by the aerospace and automotive industries due to their lightweight properties and high tensile strength, and are being used to replace metals in many applications. Although there are many different types of composite materials,
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What is Elevated Temperature Tension Testing (ASTM E21)? Elevated temperature tensile testing, as defined by ASTM E21, is a standardized method for determining the mechanical properties of metallic materials at temperatures above room temperature. This test is crucial for evaluating materials used in high-heat applications such as jet engines, gas turbines, nuclear reactors, and industrial
Application What is Compression Testing of Metallic Materials? Compression testing, as defined by ASTM E9, is a fundamental mechanical evaluation method used to determine the behavior of metallic materials under axial compressive loads at room temperature. Unlike tensile testing, which pulls a specimen apart, compression testing pushes the material together, causing it to shorten and
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What is Tension Testing(ASTM E8/E8M)? Tension testing is the most fundamental mechanical property test used to determine how metallic materials respond to forces pulling them apart. It measures the material’s strength and ductility by applying a uniaxial tensile load until fracture. This test provides critical data for engineering design, quality control, material specification, and research
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What is Force Verification of Testing Machines? Force verification, as defined by ASTM E4, is the critical calibration procedure used to determine the accuracy of the force-indicating system of universal testing machines (tensile, compression, and fatigue testers). Unlike simple “calibration” which might imply adjustment, verification is the process of comparing the machine’s indicated force against
What is ASTM A370? ASTM A370 is the primary standard practice used to determine the mechanical properties of steel products, including carbon, alloy, and stainless steels. Unlike generic testing standards (like ASTM E8 for tension), A370 is specifically tailored to the unique geometries, heat treatments, and product forms of steel (bars, shapes, forgings, wire, tubing,
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What is radiant heating? Radiant heating is a non-contact heat transfer method that transfers thermal energy through electromagnetic waves (primarily infrared radiation) to elevate the temperature of objects. Its core characteristic lies in the absence of a medium (such as air or water), with heat being emitted directly from the heat source at the speed of
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Composite materials are advanced solid materials composed of two or more materials with distinct physical and chemical properties, combined through artificial composite processes. They deliver exceptional comprehensive performance unmatched by single constituent materials. With the advancement of materials science and the continuous improvement of relevant standards, a relatively systematic testing system for the mechanical properties
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From April 21 to 24, 2026, the 38th China International Rubber & Plastics Exhibition (CHINAPLAS 2026) – Asia’s leading and globally influential event for the rubber and plastics industry – will grandly open at the National Exhibition and Convention Center (Hongqiao), Shanghai. As a leading enterprise in China’s mechanical property testing sector, SINOTEST Co., Ltd.
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