Information on the most widely used ASTM standards within the materials testing industry
Torsion Testing Machine
Torsion tests twist a material or test component to a specified degree, with a specified force, or until the material fails in torsion. The twisting force of a torsion test is applied to the test sample by anchoring one end so that it cannot move or rotate and applying a moment to the other end so that the sample is rotated about its axis. The rotating moment may also be applied to both ends of the sample but the ends must be rotated in opposite directions. The forces and mechanics found in this test are similar to those found in a piece of string that has one end held in a hand and the other end twisted by the other.
Material Torsion Testing Machine
Torsion tests twist a material or test component to a specified degree, with a specified force, or until the material fails in torsion. The twisting force of a torsion test is applied to the test sample by anchoring one end so that it cannot move or rotate and applying a moment to the other end so that the sample is rotated about its axis. The rotating moment may also be applied to both ends of the sample but the ends must be rotated in opposite directions. The forces and mechanics found in this test are similar to those found in a piece of string that has one end held in a hand and the other end twisted by the other.
Steel wire testing is the core means to evaluate the mechanical properties, toughness and surface quality of steel wires, and the core items include repeated torsion, repeated bending, winding tests, etc., to verify the reliability of steel wires by simulating actual use conditions, following international/domestic unified standards, and widely used in the whole industry chain of metal products.
High strength bolts are critical fasteners widely used in steel structures, aerospace, automotive, and heavy machinery industries, where they bear high tensile, shear, or combined loads. High strength bolts testing is a set of standardized procedures to verify their mechanical properties, reliability, and compliance with design requirements. The tests cover core performance indicators such as tensile strength, yield strength, hardness, torque-tension relationship, and fatigue resistance.
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