Post Fracture Elongation Detection
Applicable materials: Suitable for various metal materials such as carbon steel, alloy steel, stainless steel, cast iron, aluminum alloy, copper alloy, titanium alloy, nickel based alloy, etc.
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Product Introduction

Detection range
Applicable materials: Suitable for various metal materials such as carbon steel, alloy steel, stainless steel, cast iron, aluminum alloy, copper alloy, titanium alloy, nickel based alloy, etc.
Applicable objects: including metal sheets, rods, pipes, profiles, wires, forgings, castings, welded joints, and structural metal components.
Applicable scenarios: Used for raw material incoming inspection, welding process evaluation, heat treatment quality verification, product mechanical performance acceptance, failure analysis, and material plasticity grade evaluation.
Testing items
Determination of elongation at break (A): In a room temperature tensile test, measure the elongation at gauge length of the specimen after fracture and calculate the elongation at break.
Measurement of total elongation at break (Agt): The measurement of the total elongation at break of a specimen reflects the material's ability to undergo plastic deformation.
Measurement of gauge length: Accurately measure the gauge length of the specimen before and after stretching, used for elongation calculation.
Plastic grade assessment: Based on the elongation at break value, evaluate the plasticity of the material and whether it meets the technical requirements.

Testing standards
GB/T 228.1-2021 Tensile Testing of Metallic Materials Part 1: Room Temperature Test Method
GB/T 2975-2018 Steel and Steel Products Mechanical Property Testing Sampling Location and Sample Preparation
GB/T 2651-2024 Tensile test method for welded joints
GB/T 24238-2017 Metallic Materials and Pipes - Tensile Test Method at Room Temperature
was established in 2011. As a national high-tech enterprise recognized by the Zhejiang Provincial Higher People's Court as a judicial authentication institution for construction engineering quality, we specialize in structural performance testing and safety assessment of construction projects, special equipment, communication towers, electromagnetic environments, large bridges, and building safety appraisal.
The company has more than 100 professional and technical personnel, over 90% of whom hold various medium and senior technical certificates. Equipped with complete testing equipment worth over RMB 10 million, our business scope covers the whole country.
















