Corrosion Testing System-Numerous applications of autoclaves

Salient Features

Volumes from 500 ml to 25 ltr

Design pressures upto 350 bar and temperatures upto 650°C

Available in different materials of construction – SS 316, Hastelloy C, Inconel, Titanium etc.

Stirred /Non-stirred autoclave systems

Recirculating loop & electrochemical corrosion testing

For static, dynamic, loop & electrochemical studies

Methods Of Testing Corrosion Using Autoclave

Weight loss method with corrosion coupons
Electrical resistance probe
Electrochemical probe
Electrochemical noise in current or potential

Applications

Autoclaves for corrosion application are mainly used in aggressive environments like H2S & supercritical waters in oil refineries & defence industries
Electro - chemical corrosion measurements in HPHT media-water and other solutions
Coating and materials evaluation in high pressure simulated deep sea condition (submarine paint etc) using impedance measurements
Autoclave for cement curing under deep sea applications as per API standard
Polymer testing /curing/processing under HPHT conditions
Slow strain rate tests for stress corrosion cracking under HPHT conditions

Static & Stirred Autoclave

Normally corrosion test coupons are suspended in static (non-stirred) or stirred autoclave systems & corrosion is measured in terms of weight loss. In stirred autoclave system, sometimes the coupon holders are attached to the shaft & rotated during testing
Autoclaves are then fed with the corrosive media & designed temperature & pressure is reached & maintained in the autoclaves. Optionally suitable electrodes like pH or ORP(MOC: SS316 / Hast-C) are provided to measure pH & redox potential under pressure
Autoclaves with working, counters / reference & auxillary electrodes can also be offered withpotential measurement system for electrochemical corrosion testing

Re-Circulating Loop Autoclaves For Corrosion Testing

In this system, the autoclave is connected with a special high pressure pump which canrecirculate water/liquid continuously at very high velocity through the test spool & theautoclave connected in line with each other.