Steel Structure Testing Equipment

YJZ-500B Fully Automatic High-Strength Bolt Tester

This testing machine is specifically designed for determining the torque coefficient of high-strength steel bolts.

YJZ-500D Fully Automatic High-Strength Bolt Tester

This testing machine is specifically designed for determining the torque coefficient of high-strength steel bolts.

YJZ-800C Fully Automatic High-Strength Bolt Tester

This testing machine is specifically designed for determining the torque coefficient of high-strength steel bolts.

YJZ-5000E Microcomputer-Controlled Fully Automatic High-Strength Bolt Tester (New Standard)

This test system is designed in accordance with user‑specific testing requirements and is primarily intended for the evaluation of large, high‑strength bolted connections used in wind‑energy equipment. It is employed for static torsional testing of high‑strength bolts, meeting the specifications outlined in GB 1231‑2024 “Technical Requirements for High‑Strength Large Hexagonal Bolts, Large Hexagonal Nuts, and Washers for Steel Structures” and GBT 32076.8‑2017. The system comprises a mainframe, a testing mechanism, a loading mechanism, an auxiliary subsystem, a control and data‑acquisition system, a computer equipped with dedicated test software, and various ancillary components.

Steel Structure Fireproof Coating Thickness Gauge

This instrument is used to measure the thickness of thick‑type fire‑resistant coatings and complies with the requirements of GB/T 50621‑2010 “Technical Standard for On‑Site Inspection of Steel Structures,” GB 50205‑2020 “Code for Acceptance of Construction Quality of Steel Structures,” and CECS 24:90 “Technical Specification for the Application of Fire‑Resistant Coatings on Steel Structures.”

DWC-40 Charpy Notched Specimen Low-Temperature Impact Test Tank

This equipment employs an imported compressor for refrigeration and, by leveraging the principle of thermal equilibrium and a circulating stirring system, achieves automatic, uniform cooling and temperature stabilization of test specimens. With its simple and convenient operation and high efficiency, it is the ideal apparatus for specimen cooling and temperature maintenance in low‑temperature impact testing of metals. It can also be used for other low‑temperature measurement and testing applications.

DWC-80 Charpy Notched Specimen Low-Temperature Impact Testing Tank (−80°C)

This equipment employs an imported compressor for refrigeration and, by leveraging the principle of thermal equilibrium and a circulating stirring system, achieves automatic, uniform cooling and stable temperature control of test specimens. With its simple and convenient operation and high efficiency, it is the ideal apparatus for specimen cooling and temperature maintenance in low‑temperature impact testing of metals. It can also be used for other low‑temperature measurement and testing applications.

DWC-196 Ferritic Liquid Nitrogen Drop‑Weight Impact Specimen Cryostat

This equipment employs liquid nitrogen cooling combined with PID temperature control, leveraging thermal equilibrium and recirculating convection to achieve automatic, uniform cooling and stable temperature maintenance of the specimen, fully meeting all temperature‑control requirements stipulated by national standards. The cryostat features intelligent instrument control, digital temperature display, automatic temperature regulation, automatic timing, and automatic alarm functions, offering simple and safe operation, rapid cooling, large capacity, high temperature‑control accuracy, and low energy consumption. In addition to NDT testing, this device can also perform DWTT tests as well as conventional drop‑weight and pendulum impact tests.

JB-300B Metal Pendulum Semi-Automatic Impact Testing Machine (New Standard)

The JB‑300B is a next‑generation pendulum impact testing machine. It is used to evaluate the impact resistance of metallic materials under dynamic loading, thereby assessing their quality and performance under such conditions. This machine features semi‑automatic control, offering simple operation and high efficiency. Its pendulum lifting, impact, and release are all electrically controlled, and it can automatically raise the pendulum using the residual energy after specimen fracture, preparing for the next test. It is particularly well suited for laboratories conducting continuous impact tests, as well as for industries such as metallurgy and mechanical manufacturing that perform large volumes of impact testing.

JBS-300B Touchscreen-Controlled Metal Pendulum Impact Testing Machine

The JBS-300B touchscreen‑controlled metal pendulum impact testing machine is a next‑generation pendulum impact tester. It is used to evaluate the impact resistance of metallic materials under dynamic loading, thereby assessing their performance under such conditions. This equipment serves as a critical testing instrument in metallurgical and mechanical manufacturing facilities, as well as a valuable tool for research institutions conducting new‑material studies. The JBS‑300B is a semi‑automatic, touchscreen‑based impact tester that employs microcomputer control. It enables fully automated operations—including pendulum raising, impact application, measurement, data processing, on‑screen display, and printing—delivering high efficiency and exceptional test accuracy. After each impact test, the remaining energy automatically raises the pendulum, preparing the machine for the next cycle. Its user‑friendly operation ensures rapid throughput. This model particularly excels in laboratories conducting continuous impact testing, as well as in industries such as metallurgy and mechanical manufacturing that perform large volumes of impact tests. The system can compute and display, via digital readout, the material’s impact energy absorption, the pendulum lift angle, and the average test results.

JBW-300WB Microcomputer-Controlled Metal Pendulum Impact Testing Machine (New Standard with Chinese–English Display)

The JBS-300B touchscreen‑controlled metal pendulum impact testing machine is a next‑generation pendulum impact tester. It is used to determine the ability of metallic materials to resist impact under dynamic loading, thereby assessing their performance under such conditions. This equipment serves as a testing instrument in metallurgical and mechanical manufacturing facilities, as well as a research tool for evaluating new materials. The device operates by employing a high‑precision photoelectric encoder and a computer equipped with dedicated measurement‑control and calculation software. By measuring the difference in potential energy before and after the pendulum strikes the specimen, it calculates the absorbed impact energy and the material’s impact toughness. The display system features dual readouts: an analog dial pointer and a computer screen, both showing results simultaneously. The computer can display impact energy and toughness, automatically process test data, and generate test reports. Operations such as pendulum release, pin retraction, impact, and pendulum return can be controlled either manually via a handheld console or automatically through mouse‑driven computer programs. Test results can be printed in batch or one by one. The system uses a PLC as the lower‑level controller and a branded PC as the upper‑level controller. The upper‑level software is developed in Visual Basic, with RS‑232 communication facilitating data exchange and command transmission between the two levels. This design fully leverages the PC’s powerful capabilities for data processing, report generation, and other functions. A high‑precision rotary encoder is employed to continuously monitor the pendulum’s real‑time position, enabling accurate determination of the absorbed impact energy. The system is characterized by its reliability, stability, and high measurement accuracy.

USM Go+ Handheld Intelligent Ultrasonic Flaw Detector

Ultrasonic flaw detectors can quickly and conveniently perform nondestructive, precise inspection, localization, evaluation, and diagnosis of various internal defects in workpieces—such as cracks, welds, porosity, blowholes, inclusions, and folds—and are widely used in sectors including power generation, petrochemicals, boiler and pressure vessel manufacturing, steel structures, defense industries, aerospace, railway transportation, automotive, and machinery. The USM Go+ is a handheld, portable ultrasonic flaw detector launched by Waygate Technologies, integrating the powerful performance of benchtop flaw detection equipment into a compact body, specifically designed for on-site nondestructive testing. This instrument fully addresses the practical needs of frontline inspectors, balancing portability, durability, and superior ultrasonic testing capabilities, making it an ideal solution for flaw detection in confined spaces and harsh outdoor conditions. Reference standards: EN 55011, EN 61000-6-2:2011, EN 12668, ASTM E 1324, E317, ANSI/NCSL Z 540-1-1994, MIL-STD 45662A, MIL-STD 2154, etc. Product features: 1. The housing adopts a molded rubber protective structure with an IP67 rating, passing military‑grade tests for dustproof and waterproof performance, capable of handling diverse harsh outdoor conditions. Operating temperature range: 0–55°C, adapting to variable indoor and outdoor working environments; the device includes an integrated stand that allows adjustable viewing angles when placed on a workbench. 2. Equipped with a 5-inch color display featuring a resolution of 800×480 and dimensions of 108 × 64.8 mm. Brightness is sufficient for clear waveform visualization even under strong outdoor light, while dim lighting conditions allow users to lower screen brightness to reduce eye strain and conserve battery life, ensuring optimal resolution and presentation of echo signals. 3. Excellent capability for resolving near-surface defects, reliably detecting hidden flaws beneath the workpiece surface. 4. Pulse repetition frequency ranging from 15 to 2000 Hz: low-frequency mode is suitable for inspecting forgings, minimizing false echoes; high-frequency mode is optimized for rapid weld inspections. 5. Features a low-noise digital amplifier, narrowband filter, and square‑wave pulse generator, providing a dynamic range of 110 dB and an analog bandwidth of 0.5–18.5 MHz to meet high‑precision flaw detection requirements. 6. Includes a Bottom Echo Attenuator (BEA) to effectively detect minute defects, enhancing detection sensitivity; dual independent gates—one gate can be triggered by echoes from another—combined with automatic gate thresholds, ensuring consistent and accurate measurements. 7. Plug-and-play operation, intuitive and easy to learn, boosting on-site inspection efficiency. 8. Supports up to 8 minutes of video recording, capturing the entire inspection process for playback and review by auditors. 9. Mini USB interface plus SD card support (up to 16 GB), enabling export of screenshots and test reports in standard JPEG/BMP formats without requiring specialized software, facilitating data transfer, archiving, and analysis. 10. AUTOANG automatic angle function automatically calculates the refractive angle of oblique probes, enabling precise triangular positioning and projection of defect locations. Technical specifications: Display: 5 inches, 800×480 pixels, 108×65 mm, brightness >200 cd/m² Dimensions: 175 × 111 × 50 mm Weight: 850 g (including battery) Protection rating: IP67 Operating temperature: 0–55°C Battery: Rechargeable lithium‑ion, offering up to 6 hours of runtime Power supply: 100–240 V AC, 50/60 Hz Probe interface: Dual Lemo‑00 connectors (T/R) Storage: Up to 16 GB via SD card, with output of image reports and A‑scan video recordings Pulse generator: 120–300 V, pulse width 30–500 ns, selectable spike or square wave Pulse repetition frequency: 15–2000 Hz Receiver: Dynamic range 110 dB, bandwidth 0.5–18.5 MHz Gates: Independent A and B gates, with B triggerable by A; optional C gate available Units: Millimeters, inches, microseconds

JBM-Lb300H Microcomputer-Controlled Pendulum-Type Instrumented Force-Sensing Oscilloscope Impact Testing Machine

The JBM-Lb300H microcomputer-controlled pendulum-type instrumented impact testing machine features a high-rigidity frame, microcomputer control, and automatic measurement and recording of the force‑time history. Its software is powerful, stable, reliable, highly accurate, and easy to operate. It is designed to evaluate the impact resistance of metallic materials under dynamic loading and to assess their toughness–brittleness transition under such conditions. Equipped with an impact‑force sensor, it measures the load experienced by the specimen during the impact test, providing a true representation of the force‑time evolution throughout the test. The machine can assess the impact performance of metals at both room temperature and low temperatures, as well as determine the material’s toughness–brittleness transition temperature. It is widely applicable across research institutes, testing laboratories, universities, and industries—including aerospace, defense, metallurgy, mechanical engineering, pressure vessel manufacturing, shipbuilding, automotive, bridge construction, and wind energy—for precision material research, material analysis, material development, material selection, process optimization, and quality control.