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ASTM G202 Test Coupons

ASTM G202 Test Coupons

Metal coupons used in testing by ASTM G202 (Using Atmospheric Pressure Rotating Cage). Each coupon is 19mm x 75mm x 3mm. The coupons are deburred and polished to 150 grit. The test apparatus uses eight test coupons at a time. The coupons are made from the same base metal as the service components being evaluated.
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