Information on the most widely used ASTM standards within the materials testing industry
Model: UT1024HY, Metal Material Test Under Hydrogen Rich Environment Compatibility Test
General introduction
In addition to the equipment host frame, this series of stress corrosion testing machines also have multiple optional units to achieve extended functions beyond basic testing functions.

Test function under hydrogen environment
Test function under hydrogen environment (determined according to specific order and supply scope)
1) Tensile testing of ordinary electronic universal testing machines;
2) Constant load creep/stress corrosion test;
3) Slow strain rate tensile test;
4) CT specimen crack propagation test;
5) Low cycle fatigue test;
6) Remote automatic control of gas path, capable of pressurization, depressurization, and pressure maintenance functions;
1) ASTM G47-98 Standard Test Method for Determining Susceptibility to Stress-Corrosion Cracking of 2XXX and 7XXX Aluminum Alloy Products.
2) ISO 7539-7-2005 Corrosion of metals and alloys – Stress corrosion testing Part7: Method for slow strain rate testing
3) ASTM E606 Standard Test Method for Strain-Controlled Fatigue Testing, ASTM International, West Conshohocken
4) ASTM E647 Standard Test Method for Measurement of Fatigue Crack Growth Rates
5) ASTM E399 Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness K1c of Metallic Materials
6) ASTM G111 Guide for Corrosion Tests in High Temperature or High Pressure Environment, or Both
7) ASTM G47-98 Standard Test Method for Determining Susceptibility to Stress-Corrosion Cracking of 2XXX and 7XXX Aluminum Alloy Products
8), ASTM G129 - 00(2006) Standard Practice for Slow Strain Rate Testing to Evaluate the Susceptibility of Metallic Materials to Environmentally Assisted Cracking
Main technical specification
1) Maximum test force: 50kN/100kN
2) Test force range: 1% to 100% F.S
3) Relative error of test force indication: ± 0.5%
4) Maximum movement range of loading head: 80mm
5) Minimum loading strain rate: 1x10-7/s
6) Maximum movement speed of loading head: 10mm/s
7) Loading frequency: (0.1-1) Hz
8) Loading head displacement measurement accuracy: ± 0.5%
9) Loading head displacement resolution: 0.012 µ m
10) Deformation measurement range: 0-30mm
11) Deformation measurement resolution: 1 µ m
12) Deformation measurement accuracy: ± 0.5%
13) Test temperature: (-55~100) ℃
14) Experimental kettle capacity: approximately 8L (can be customized according to actual usage needs)
15) Balance device stroke: 60mm;
16) Maximum working pressure: 140Mpa;
17) Direct measurement of axial deformation and crack length of the sample in high-pressure hydrogen environment is not allowed for indirect measurement outside the reactor;
18) Medium: Hydrogen
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