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Materials and Coatings Available
for Connectors For Wood Construction
and Anchoring and Fastening Systems for Concrete and Masonry
Note: Test results indicate that the coatings listed as medium level of corrosion resistance will perform adequately, subject to regular maintenance and periodic inspection. However, the test protocol followed was a modified version of the nationally recognized test method AWPA E12-94. This test method is an accelerated test, so data over an extended period of time is not available. Also noteworthy is that tests run in a laboratory may not correlate to service conditions.
Simpson Strong-Tie Company Inc. welcomes the opportunity to provide assistance in product selection, please call (800) 999-5099 in the event that technical support is needed. Not all products are available in all finishes. Contact Simpson Strong-Tie for product availability, ordering information and lead times.
Level of Corrosion Resistance
|Gray Paint||Water-based paint intended to protect the product while it is warehoused and in transit to the jobsite.||Low|
|Powder Coating||Baked on paint finish that is more durable than our standard paint and produces a better looking finished product.||Low|
|Standard G90 Zinc Coating||Zinc galvanized coating containing 0.90 oz. of zinc per square foot of surface area (total both sides).||Low|
|Galvanized (G185) 1.85 oz. of zinc per square foot of surface area (hot-dip galvanized per ASTM A653 total both sides). These products require hot-dip galvanized fasteners or fasteners approved for use with ZMAX.||Medium|
|Type 410 Stainless Steel with Protective Top Coat||Carbon martensitic grade of stainless steel which is inherently magnetic, with an added protective top coat. This material can be used in mild atmospheres and many mild chemical environments.||Medium|
|Products are hot-dip galvanized after fabrication (14 ga. and thicker). The coating weight increases with material thickness. The minimum specified coating weight is 2.0 oz./ft2 (per ASTM A123 total both sides). These products require hot-dip galvanized fasteners or fasteners approved for use with ZMAX.||Medium|
Class 55 and 65
|Mechanically-applied zinc in accordance with ASTM B695, Class 55 or Class 65.||Medium|
|Stainless Steel||Products manufactured from Type 304, 305, 316 or 316L stainless steel provide greater durability against corrosion. Stainless steel fasteners are required with stainless steel connectors, and are available from Simpson Strong-Tie.
Types 304 and 305 stainless steels are not hardened by heat treatment and provide very good corrosion protection. Type 316 stainless steel is not hardened by heat treatment and provides the highest level of corrosion protection available, especially in environments with chlorides.