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Wave washer often get coatings like zinc, phosphate, or hot-dip galvanizing to help them hold up longer and do their job better. These layers stop rusting, which matters a lot if they’re used outside or near the ocean. If they’re going into really hot spots, they might get a special finish like black oxide instead.

Stainless steel versions might get polished to make the wave washers smoother and reduce rubbing. There are also tougher coatings (like Dacromet or GEOMET®) that fight off saltwater, chemicals, and other rough stuff. All these surface tweaks help the washers keep doing their job even when things get rough and they won’t scratch or damage the parts they’re used with.

Size

Wave washer come in standard sizes (like DIN 6796 or ISO 10664) or can be made to order for specific load needs. Inner diameters go from 2mm to 100mm, and thicknesses range from 0.5mm to 6mm, depending on what they’re used for. Heavy-duty types have bigger outer diameters and thicker sections to handle more pressure.

We can provide charts that show how much load the wave washer can take and how much they’ll compress, so engineers can pick the right size. If you need a custom fit for unique bolt setups,like in specialized machines or aerospace parts.We can make curved spring washers to match, ensuring you get the exact tension you need.

High temperature resistance

Q: Can wave washer handle high temps?

A: Yeah, but it depends on what the wave washers are made of. Basic carbon steel ones usually max out around 250°C. If you use 316 stainless steel, they can go up to 400°C. For anything hotter than 600°C, you’ll need metals like A286 or Inconel 718.

Just remember: long-term heat can make the spring force weaken a bit over time (called stress relaxation). In furnaces or engine parts, make sure the wave washers are sized to account for how materials expand or contract with heat. Always check the material’s temperature limits to match your application.