ToAuto 6KG & 12KG Propane Metal Melting Furnace Kit for Aluminum Copper Brass
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6KG & 12KG Capacity Options: Choose the right size for your metal casting projects.
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Powerful Propane Heating: High-temperature performance for aluminum, copper, brass, gold, and silver.
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Adjustable Flame Control: Fine-tune the heat with the propane regulator.
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Heat-Retaining Insulation: Insulated furnace walls help retain heat during melting.
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Complete Casting Kit: Includes a crucible, burner, regulator, tongs, and casting essentials.
Get started with your ToAuto Melting Furnace. Find model-specific setup instructions, safe melting and pouring guidelines, and maintenance tips for your furnace and crucible.
Most orders are processed within 1–3 business days. Delivery times vary by destination, with an estimated 3–7 business days for U.S. orders after dispatch. Tracking details will be emailed once your order ships.
Your ToAuto Melting Furnace is backed by a 12-month warranty for eligible manufacturing defects. Our support team can help with troubleshooting, replacement parts, and warranty service.
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Compare Melting Furnaces
Electric（Basic）
Electric（Std）
High Electric（HP）
Basic PID
Precise PID
Digital PID
45–60 min
25–35 min
25–35 min
2000°F
2000°F
2100°F
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1.0 insulation
2.0 insulation
A-base
Hexagonal base
Reinforced hex base
3 kg
3 kg / 5 kg
3 kg
1800 W
1800 W
1800 W
110V / 220V
110V / 220V
110V / 220V
6 Kg
7.5 Kg / 8 Kg
7.5 Kg
10 Things to Know Before Melting Metal
About
Make Your Melting Adventures More Memorable With V3 Melting Furnace Kit
Did you know many people use melting as an art form? Artisan smiths use smelted metals to create beautiful pieces of art, such as coins, ingots, abstract art, 3D casting ornaments other creation
TOAUTO TMF6000B-V3 propane smelting furnaces meet your different needs also indulge your passion for metal melting.
FAQ
How do I care for my crucible and lid for longer use?
High-temperature cycling increases structural stress. Low-density or recycled graphite cracks within 5–10 melts. Our high-purity crucible is rated for 50–100 cycles. Early cracking usually means poor material quality, not user error.
Why does it take 60 minutes to melt copper while others only need 20 minutes?
Real melting speed depends on actual wattage, insulation thickness, and temperature consistency. Some products claim “1800W” but deliver far less. A true 1800W+ furnace melts 300g copper in 20–25 minutes.
Will the furnace smoke, spark, or trigger GFCI during normal use?
No. Smoke, sparks, and frequent GFCI trips indicate electrical or coil insulation faults. A proper furnace uses thick insulation, grounded chassis, GFCI protection, and overheat safeguards.
Will the pliers or molds break or be too small?
Cheap pliers deform above 500°C. Good pliers must hold 1200°C red-hot crucibles safely. Molds under 100g capacity are impractical. A proper kit includes heat-resistant pliers and molds matching the crucible size.
Why do cheap furnaces become more expensive over time?
Thin crucibles, weak insulation, and low-grade electronics wear out faster. Real cost includes power usage, consumables, and downtime — not just the purchase price. Durable systems lower long-term cost per kilogram.
Does “Max 1100°C” mean accurate temperature control?
No. Max temperature ≠ stability. Many units swing ±50°C, causing oxidation and bubbles. A PID controller holds ±5°C accuracy, reducing defects by up to 75%.
How do I reduce carbon buildup inside the furnace?
Carbon builds up when the inner lining is rough. A removable, smooth alumina lining allows quick wiping after each melt and prevents residue from hardening.
Are the instructions difficult for beginners?
Beginners often skip steps like crucible preheating or grounding checks. If unclear, contact support or follow our video tutorials. The wrong operation can cause overheating or cracking.
Can I melt aluminum, silver, or gold?
Yes. Use high-purity graphite crucibles and match temperatures. Avoid cross-contamination by dedicating one crucible per metal.
Testimonials
Rusty Shackleford
Great for beginners
This metal smelter exceeded my expectations in every way. It heats up fast, holds temperature well, and melts aluminum smoothly without any issues. The build quality feels solid and durable, which gave me confidence using it right out of the box. Setup was straightforward and the instructions were easy to follow. Perfect for beginners but still powerful enough for serious hobbyists. I’m extremely happy with this purchase and would highly recommend it.
Lawrence Joseph Krzeminski
Simple and clear
It has been a great help with my metalworking projects. Turning scrap metal into beautiful artwork such as ingots and 3D cast jewelry has never been easier. The included manual is easy to understand and great for beginners. Overall, this is an excellent smelter that offers great value and performance for any metalworking enthusiast.
Paul Prado
Great buy!
I've used multiple propane furnace over the past 8 years and this toauto 6kg propane furnace hands down, pound for pound is the best I used. Made well with good components and extras. Shipping fast and box was packed well. I love the gage on adapter hose line. The ceramic heat resistant liner works well, it kept the furnace hot for some time. I would recommend this furnace for any one doing large amounts of precious metals.
Thank you toauto for making this top notch furnace. This is a excellent buy.
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