Strip Coupon
19 mm wide commonly strip coupons are supplied for most evaluations. The size is 76.2mm x 19mm x 3.2mm with two mounting holes, and the exposed surface area is 3000 mm2.
Corrosion Coupons Projects
Cutting edge Corrosion Coupons that comply with the world's most demanding standards.
Disc coupons
These circular coupons are used where coupons cannot protrude into the line and interfere with flow or pig passage. Standard size is Ø 31.8mm x 3.2mm. A hole allows for mounting with flathead screw and back-up disc insulation. The exposed surface area is 1,548mm2.
Rod Coupons
This pencil-like coupon is screwed into an insulator which then is screwed into an NPT plug Coupon Holder. The rod coupon standard size is Ø 6.3mm x 101.6mm. One end is threaded for screwing the coupon into the insulator. The exposed surface area is 2,109mm2.
Access Fitting
Access Fittings are specialized piping arrangements which allow internal access to production plant vessels and pipework operating under full process conditions. The corrosion monitoring industry standard for access systems like these is based on a 2-inch nominal bore design.
Custom-built, world-class Corrosion Coupons from India
Crystal's Corrosion coupons from India are an efficient tool for quantitatively estimating the corrosion
rates occurring in an operating system. They also provided a visual indicator of the type of corrosion
possibly occurring in the system being monitored.
What is a CORROSION COUPON?
-It's basically a piece of metal of a predetermined size, shape and surface area-It's a metal with a specific chemical composition that matches that of the process equipment
-It offers a uniform reproducible surface finish
-It has a unique serial number
-It is exposed to the identical corrosive medium as the process equipment
-It is exposed to the corrosive medium for a specific period of time
-It provides a visual indicator of the type of corrosion
-It indicates the rate at which corrosion is occuring
Every corrosion coupon from Crystal Industrial is stamped with an identifying serial number, and also, every coupon order is delivered with a written certification document that includes: serial number, the material it's made from, its weight and its dimensions.
All Crystal coupons are weighed to an accuracy of up to four (4) decimal places, packed individually in vapour phase inhibited envelopes and sealed hermetically to offer a one (1) year shelf life.
Crystal standard coupons are grit-blasted and in addition to this, they are furnished with insulation for mounting. Mounting hardware is provided along with the coupon holder. Coupons are available in variants of Polished, Ground or Weld bead.
Crystal manufactures Corrosion Coupons using any material or dimension as per client's request. Material may be supplied by the customer to match an existing system.
Our Services
We offer the following services for our Corrosion Coupons
World-class Corrosion Coupons
We make custom-manufactured Corrosion Coupons to meet unique requirements of your processes.
Learn MoreExtensively documented
Crystal's Corrosion Coupons offer extensive documentation and process information.
Learn MoreCommon Questions about Corrosion Coupons
Check out the frequently asked questions about Corrosion Coupons answered here.
Learn MoreGlobal Support for Corrosion Coupons
Crystal's team of engineers offer global support for our Corrosion Coupons, anywhere in the world.
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