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The universal material testing machine for metal pipes is a precise instrument specifically designed for testing the mechanical properties of various types of metal pipes (such as seamless pipes, welded pipes, stainless steel pipes, etc.). This equipment is based on a computer-controlled hydraulic or electronic servo system. By configuring dedicated fixtures, it can conduct physical and mechanical performance tests such as tensile, compression, bending, and hoop stiffness of the pipes, ensuring that the materials meet industrial and engineering standards.
Specification
|
Parameter Item |
Typical Configuration |
|
Test Force |
100kN / 200kN / 300kN / 600kN / 1000kN |
|
Force Measurement Accuracy |
Indication error ≤±1% |
|
Displacement Resolution |
0.01mm |
|
Control Mode |
Microcomputer control + servo motor drive |
|
Effective Test Width |
400～600mm |
|
Effective Tensile Space |
600～1000mm |
|
Applicable Pipe Diameter |
Φ20～Φ1422mm (selected according to machine model) |
|
Protection Functions |
Overload protection, overcurrent protection, limit protection |
|
Power Supply |
380V three-phase, 50Hz |
Applicable Standards
- GB/T 228 - Metal Materials - Tensile Test
- GB/T 241 - Metal Tubes - Hydraulic Test
- GB/T 242 - Metal Tubes - Expansion Test
- GB/T 244 - Metal Tubes - Bending Test
- GB/T 246 - Metal Tubes - Compression Test
- API 5L, ASTM, ISO and other domestic and international steel pipe-related standards
Testable steel pipe materials
- Carbon structural steel pipes, low alloy steel pipes
- Pipeline steel: X42 to X120 series steel pipes
- Seamless steel pipes, straight seam welded pipes, spiral welded pipes
- Boiler tubes, pressure vessel tubes, oil casing pipes
The operation procedure of the universal testing machine for metallic materials:
1. Preparation stage: Select the appropriate sample, install the fixtures according to the test requirements, and adjust the parameters of the testing machine.
2. Preloading: Apply a gentle force to eliminate the gap between the sample and the fixture to ensure the accuracy of the data.
3. Formal loading: Gradually increase the load at the specified rate until the specimen breaks or reaches the predetermined condition.
4. Data collection and analysis: The testing machine automatically records the load-displacement curve, and the required mechanical performance indicators are obtained through software analysis.
5. Clean up the site: After the test is completed, remove the sample, clean the testing machine, and prepare for the next test.
The main functions of the universal testing machine for metallic materials:
1. Tensile test: Measures the tensile strength and yield strength of the material, and assesses its ductility and elastic modulus.
2. Compressive test: Measures the mechanical properties of the material under compressive conditions, such as compressive strength and compressive modulus.
3. Bending Test: Evaluates the bending performance of the material, including flexural strength and bending modulus.
4. Shear test: Measures the shear strength and shear modulus of the material.
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