8x8x18 Salt Bath Heat Treating Oven for Consistent Results on Extended Steels
The Evenheat Salt Bath 818 is the largest model in Evenheat’s salt bath line, offering maximum chamber depth for oversized blade and steel projects. designed for knife makers and machinists who need precision heat treatment in larger salt pots. With an 8″ × 8″ × 18″ chamber, it accepts salt pots up to 6.5″ OD, giving you room for wider projects and longer blades.
Firing to 2000°F (1093°C), the Salt Bath 818 provides direct, uniform heating that reduces scale and decarb compared to traditional atmosphere firing. This means cleaner hardening, consistent tempers, and smoother blade finishes with less grinding afterward.
Running on a 240V, 30A circuit, the 818 combines shop-friendly setup with high output, supporting salt pots up to 25″ deep Built with safety in mind, it requires grounded pots and includes advanced control options like the TAP digital control system, multiple thermocouples, and solid-state relays for precise, reliable performance.
Key Features of the Evenheat SB 818
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Built for Knife Makers: Handles post-quench hardening and tempering in salt pots up to 6.5″ OD, delivering fast, uniform heating with reduced scale.
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8″ × 8″ × 18″ Chamber (0.67 Cu Ft): Provides space for wider salt pots and longer blades.
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Direct Salt‑Bath Heating: Fast, even heat transfer with reduced scale and decarb.
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Fires to 2000°F (1093°C): Full range for tool steels and bladesmithing.
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TAP Digital Control (Salt‑Bath Software): Multi-thermocouple precision with over-temp safe.
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Immersion + Chamber + Over‑Temp Thermocouples: Built-in safeguards for accurate, safe operation.
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Quiet Drive SSR (Standard): Silent, reliable temperature control with extended element life.
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Swing View Enclosure + Drip Shields: Easy access controls and protection from drag-out.
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Sectional Chamber Design: Simplifies maintenance with replaceable chamber sections.
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Loud Alarm Output Jack: Plug‑in option for an 80 dB shop‑ready alarm.
Additional Options for the 818 Heat Treat Salt Bath
🕳 Salt Pot Access Hole
Available in 4″, 5″, and 6″ standard sizes, with custom sizes available on request.
🔊 Loud Alarm Kit
Raises the control alarm to 80 dB, cutting through shop noise so you never miss a quench.
Who We Are
Modern Potters is women-owned and operated. We're all about hard work, continuous learning, and celebrating creativity in all forms. And like you, we LOVE bringing ideas to life.
We're Potters Ourselves! Starting with clay taught us that great work happens at high temperatures, so whether you're working with ceramics, glass art, metalworking, or industrial applications like DPF cleaning, we're here for you.
P.S. The cute pup's name is Kodah, he's the CPO (Chief-Pottery-Officer). He's the one who threw the bowl in the photo, if you can believe it. ✨
Evenheat 818 Salt Bath Heat Treating Specifications
| Feature |
Specification |
| Model |
Evenheat Salt Bath 818 |
| Function |
Salt bath heat treat oven – designed for stainless, carbon, and tool steels in salt pots |
| Salt Pot Capacity |
Up to 6.5″ OD, ~25″ depth; 316 SS Schedule 40 recommended, must be grounded |
| Interior Dimensions (W × L × D) |
8″ × 8″ × 18″ |
| Chamber Volume |
0.67 cu ft / 20.3 × 20.3 × 45.7 cm / 18.9 L |
| Maximum Temperature |
2000°F (1093°C) |
| Voltage |
240V standard (208V, 220V, 230V available by request) |
| Amperage |
30A |
| Wattage |
7200W |
| Receptacle Required |
NEMA 6-50 |
| Breaker Required |
30A |
| Weight |
~ 125 lbs (freight) |
| Line Frequency |
50Hz or 60Hz |
| Outside Dimensions (W × L × H) |
19″ × 14″ × 32″ |
| Controller Included |
TAP Control w/ Dedicated Salt Bath Software |
| Shipping |
Freight truck |
Evenheat Salt Bath 818 Manual
Evenheat Salt Bath 818 Manual
