Coating Type | Standard Specifications | Environmental Conditions | Abrasion Level | Additional Features |
---|---|---|---|---|
Zinc Coated (Galvanized) | AASHTO M36 ASTM A929 |
Normal | Non-Abrasive Level 1 | |
Aluminum Coated Type 1 | AASHTO M36 ASTM A929 |
Mildly Corrosive | Low Abrasion Level 2 | |
Aluminum Coated Type 2 | AASHTO M274 ASTM A929 |
Corrosive | Moderate Abrasion Level 3 | |
Bituminous Coated | AASHTO M190 ASTM A849 |
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Bituminous Coated & Paved | AASHTO M190 ASTM A849 |
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Polymerized Bituminous Invert Coated* | ASTM A849 | |||
Polymer Precoated | AASHTO M245 ASTM A742 |
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Polymer Precoated and Paved | AASHTO M245 ASTM A742 |
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Aramid Fiber Bonded | ASTM A885 | |||
Aramid Fiber Bonded & Bituminous Paved | ASTM A885 | |||
High Strength Concrete Lined | ASTM A849 ASTM A979 |
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Concrete Paved Invert (75mm (3″) Cover) | ASTM A849 ASTM A979 |
*Use Bituminous Coated Guidelines for Fully Coated Product
This Guide is not a substitute for professional engineering advice and is made without guarantee or representation as to results. Although every reasonable effort has been made to assure its accuracy, neither the National Corrugated Steel Pipe Association nor any of its members or representatives warrants or assumes liability or responsibility for its use or suitability for any given application.
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