Slow strain rate stress corrosion testing machine

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 Function summary

       Slow strain rate stress corrosion testing machine is mainly used to test metal samples and non-metallic materials (including bars and plates) in NaOH, NO3-, H2S, CL- solution, methanol, N2O4, NH3, wet air and water and other media environment，And in the set temperature (temperature range: normal temperature -60°C) environment，Test for the determination of stress corrosion failure characteristics of metals。It has force, time, loading rate, step (multistage) loading and other control modes, and the conversion between various modes has no impact。


Relevant standard

  • GB/T 16491 "Electronic Universal Testing Machine"

  • GB/T 2611 "General Technical Conditions of Testing Machine"

  • JJG 475 "Electronic universal Testing machine verification Regulations"

  • GB/T15970.7 and ISO 7539-7, Standard for Slow strain Stress Corrosion Testing of Metals and Alloys 

 

 Technical index

Specification and model

ETM504C-S

Maximum load (kN)

50

Test space

Simple space

Testing machine class

0.5 级

Test force measurement range

0.4%-100%FS

Relative error of test force indication value

±0.5%

Test force resolution

1/500000FS

Force control speed adjustment range

0.005-5%FS/s

Relative error of force control speed

Within ±1% of the set value

Displacement resolution

0.048μm

Relative error of displacement indication

Set the value ±0.5%以内

Data acquisition frequency

1-1000Hz

Closed-loop control rate

1000Hz

Beam moving speed adjustment range (mm/min)

Stepless adjustment between 1×10-7 ~ 1×10-3mm/min

Test width (mm)

420

Heater Power (W)

1000

Temperature fluctuation (°C)

Within ±1°C

Temperature resolution (°C)

±0.1°C 

Overall dimensions (mm)

775 (W) x 660 (D) x 1740 (H)

Operating voltage

Single-phase 220V±10%;50Hz

Motor power

200W

Security protection

Force overload protection, displacement mechanical limit, voltage overload protection

Weight (kg)

400 


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