Corrosion test coupons ensure repeatability and reproducibility when performing laboratory corrosion testing. They help a user independently monitor the test conditions in the chamber by measuring the mass loss of the coupons as the test progresses. CX corrosion coupons are designed to meet the stringent requirements specified in many international modern corrosion test methods.
For over 50 years, Q-PANEL® test substrates have been recognized as the world standard for a consistent and uniform test surface for paints, plating, adhesives, sealants, rust inhibitors and other coatings. Meets requirements of GMW14872, ASTM B117, SAE J2334, SAE J2721, ISO 9227, and VDA-233-102. Pre-cleaned and ready to use right out of the package. Often half the price of competitors' coupons. This consistency and uniformity is now available through Q-Lab's CX-series corrosion test coupons.
|Stock Numbers, Standards Met, and Sizes|
|Size (W x L)|
± 1 mm
(± 0.04 in)
± 0.05 mm
(± 0.002 in)
|CXC-35-K||B||ASTM B117||76 x 127 mm|
(3 x 5 in)
|CXD-2.76-5.90-K||C*||ISO 9227, VDA-233-102||70 x 150 mm|
(2.76 x 5.90 in)
|Notes: * No Q-shaped hole|
1. Box qty 30 includes 3 sealed packs of 10 each, extra set of plastic mounting hardware. Corrosion coupon rack sold separately.
2. Box qty 30 includes 5 sealed packs of 6 each.
3. CX-series coupons are only sold in quantities of 30. Broken boxes are not permitted.
|Alloys, Mechanical Properties and Chemical Composition|
|SAE Material Designation:||1008/1010||1006|
|ASTM Material Specifications:||A1008, CS Type B||A1008, DS Type B|
|ISO Material Specifications:||3574 Type CR1||3574 Type CR4|
|Roughness Ra (micro-inches):||25-65||20-44|
|Surface Finish:||Dull Matte||Dull Matte|
|Carbon (% max):||0.15||0.08|
|Manganese (% max):||0.60||0.45|
|Phosphorus (% max):||0.030||0.030|
|Sulfur (% max):||0.035||0.030|
|Custom Corrosion Coupons are also available in a variety of shapes, alloys and finishes.|