Quick Answer
Weld-on gate hinges suit heavy, coastal, and poolside gates because the weld carries the load instead of screws that loosen or corrode. Waterson self-closing gate hinges are cast from weldable stainless steel and support gates up to 260 lbs with a three-hinge set. For salt air or pool chemicals, specify 316 stainless and clean every weld after fabrication.
When considering weld-on gate hinges, material matters. Large, heavy gates require heavy-duty hinges that are strong enough to handle the swing of a substantial load. At the same time, corrosion is a significant consideration for outdoor gates around swimming pools or in beach locations. Here are a few things to consider before choosing a heavy-duty weld-on gate hinge.

How Much Can Weld-On Gate Hinges Support?
Durability is an obvious consideration when choosing a gate closer for a heavy-duty application. In a three-year field test at a beachfront club, Waterson gate hinges showed only minor surface staining and kept closing like new.
- Stainless Steel: Cast from weldable stainless steel, so the hinge bonds directly to steel gate frames and posts.
- Load Capacity: Two-hinge sets support gates up to 150 lbs; three-hinge sets up to 260 lbs.
- Safety Features: Welded connections create permanent, secure attachments with no screws to loosen or corrode.
- Ideal Usage: Suited to frequently used commercial gates.
| Gate Weight | Hinges per Gate |
|---|---|
| Up to 150 lbs | 2 |
| Up to 260 lbs | 3 |
| Over 260 lbs | Contact Waterson |
304 or 316: Which Stainless Steel for Coastal Gates?
A discussion about material and strength in outdoor weld-on gate hinges naturally leads to corrosion. Corrosion can significantly reduce a metal’s strength, causing cracks, partial fracture, and even total failure in extreme cases or harsh environments. It also looks bad.
Waterson heavy-duty weld-on gate hinges address corrosion with:
- Material Grade: 304 stainless is standard and handles most outdoor gates. 316 adds molybdenum for better resistance to chlorides from salt air, pool water, and de-icing salt, so specify it within sight of the ocean or around pools.
- Manufacturing Consistency: Investment-cast stainless body, certified to ANSI/BHMA A156.17 Grade 1 and tested to 1,000,000 cycles.
- Maintenance Efficiency: A protective cap shields the internal mechanism, reducing the need for frequent maintenance.
Pool barrier codes generally require gates to be self-closing and self-latching, so use non-hold-open sets on pool gates.
How Do You Weld Stainless Steel Gate Hinges Without Causing Rust?
Use stainless filler metal matched to the hinge grade, such as 308L for 304 and 316L for 316. After welding, remove heat tint and clean the weld with stainless-only brushes, then passivate. Carbon steel brushes or grinding dust left on the surface are the most common reason new stainless welds show rust spots near the coast. For more on fit-up and adjustment, see our guide to adjustable weld-on gate hinges.
See how Waterson hinges perform in corrosive environments:
- Best Door Hardware for Salt Air
- Self Closing Pool Gate Hinges
- Rust Proof Door Hinges
- 316 Stainless Steel Gate Hinges
Choosing Weld-On Hinges for Coastal Gates
For heavy gates near the ocean or around pools, a welded stainless steel hinge removes the screws that usually fail first. Size the set to the gate weight, specify 316 stainless where chlorides reach the hardware, and clean every weld after fabrication. Mechanical self-closing sets carry a 10-year limited warranty outdoors.
Not sure which set fits your gate? You can also see the Manufacturer’s Suggested Retail Price (MSRP) in our online store and download spec sheets and CAD files from our download page.
Request For Information
Please note that Waterson Closer Hinges start from a size of 4″x4″. If you’re in need of smaller self-closing hinges, we’d recommend checking out some other resources! Also, we only provide single acting closer hinges. Thank you.
Recent Post
Replacing Door Hinges: 1/4 vs 5/8 Radius vs Square Corners
Quick Answer Most 4 inch residential door hinges have one of three corners: square, 1/4" radius, or 5/8" radius. A rounder hinge fits a mortise [...]
Why Won’t My Self Closing Door Hinges Close in Cold Weather
Quick Answer An exterior door that closes fine in summer but won't latch in winter is usually affected by two things: weather stripping that stiffens [...]
Soft Closing Hinges: 9 Most Frequently Asked Questions
Since the AIA in 2018, there has been an increased interest in Waterson hinges for many different projects. We have been inundated with questions by [...]




