crucible
Worth a lookShows low returns (1.3%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Great1.3%return rate — above 6% kills the launch gate
Review moat
Great235.91avg incumbent reviews — the moat a new listing must climb
Avg price
Great$66.97avg listing price — sweet spot $15–$100
Competition
Great36%top-5 click share — an open shelf
Market size
Great$869K$869K/yr · 557K searches
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Brand share
Good65%top-5 brand share — brands hold most of the demand
Price range
Okay$6.51–$273.13cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay2.3%search→purchase rate — share of searches ending in a sale
Growth
Bad-38.9%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, crucible is a $869K/yr Amazon United States market (557K searches/yr). The top 5 brands hold 65% of demand. Demand peaks in Jan. Verdict: Worth a look — 60/100.
Data updated Jul 6, 2026 · scored weekly · How we score niches
Market data
- Units sold / yr
- 15K–20K
- avg 100–250/product
- Revenue / yr
- $1.0M–$1.3M
- units × avg price
- Launch success
- 20%
- 3 of 15 new (360d)
- Conversion rate
- 2.3%
- Avg BSR
- #79
- Page quality
- 0%
- Prime
- 98%
- Sponsored
- 90%
- Out of stock
- 13.6%
- Avg brand age
- 41 months
- Avg seller age
- 182 days
Competition
Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.Brands
33 rising
Sellers
48
Top-5 brand share
65%
Top 20: 92%
Top-5 click share
36%
Top 20: 71%
Open market
32%
- Nelyrho28%
- CANALHOUT16%
- Coitak8%
- SUFJIO7%
- Novellaire6%
- Molten Masters3%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -38.9% search growth over the last 90 days.Peak months: Jan · busiest ÷ quietest = 2.1×
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 58 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Coitak 9 Pieces Graphite Torch Melting Casting Kit Including 2 Crucible Stir Stick 5-in-1 Graphite Casting Ingot Mould Quartz Crucible Cylindrical Graphite A Pair of Gloves Tong for Melt
Coitak$29.404.0★79 rev
Nelyrho 8-in-1 Metal Casting Kit Graphite Crucible Graphite Ingot Molds 2 Stir Rods Quartz Cup & Tongs Complete Set for Melting Gold Silver Aluminum Brass
Nelyrho$31.644.6★100 rev
CANALHOUT Silicon Carbide Graphite Crucibles Crucibles for Melting Metal Withstand The High Temperature 1800(3272F) Melting Casting Refining Aluminum Gold Silver Copper (4KG No.3)
CANALHOUT$18.484.5★831 rev
5PCS 2.76Ceramic Quartz Crucible Dish Cup Melting Gold Silver Copper Whip Tongs Handle 2A Jewelry Refining Casting Pot1
SUFJIO$12.964.3★152 rev
Nelyrho 6KG Propane Melting Furnace Kit Metal Casting Machine for Gold Silver Copper Jewelry Making & Refining
Nelyrho$162.604.5★395 rev
Newest
by launch date
GarveeTech Propane Melting Furnace Kit 6 kg Kit 1300C/2372F with Crucibles & Tongs Kiln Stainless Steel Smelter for Metal Scrap Recycle Gold Copper Silver Aluminum Metal Casting Machine
GarveeTech$97.577 rev
Smart Electric Melting Furnace 2102F PID Smelter Kiln Kit 1800 W 110 V with 3 KG Graphite Crucible Cast & Refine Gold Silver Copper Aluminum in Minutes Jewelry & Hobby Foundry Kit 2026 Upgrade
Cheuyeehui$273.133 rev
MMasters 6kg Crucible and Tongs Rack for Smelting Metal with a Silicon Carbide Graphite Crucible for Melting Furnace Work Melting Aluminum Copper Jewelry Casting Tools
Molten Masters$36.964 rev
Luxiys 9 PCS Graphite Torch Melting Casting Kit Including Graphite Casting Ingot Mould Quartz Cup 2 Crucible Stir Stick Graphite Crucible A Pair of Gloves Suitable for Melting and Casting Gold
Luxiys$25.5316 rev
Graphite Torch Melting Casting Kit 8-in-1 Crucibles for Melting Metal Kit All in One Set Ingot Mould Premium Graphite Crucible for Gold Silver Metal Melting
CASIFAVI$33.7316 rev
Trending
90-day click momentumSmart Electric Melting Furnace 2102F PID Smelter Kiln Kit 1800 W 110 V with 3 KG Graphite Crucible Cast & Refine Gold Silver Copper Aluminum in Minutes Jewelry & Hobby Foundry Kit 2026 Upgrade
Cheuyeehui$273.133.0★
Luxiys 9 PCS Graphite Torch Melting Casting Kit Including Graphite Casting Ingot Mould Quartz Cup 2 Crucible Stir Stick Graphite Crucible A Pair of Gloves Suitable for Melting and Casting Gold
Luxiys$25.534.2★
MMasters 6kg Crucible and Tongs Rack for Smelting Metal with a Silicon Carbide Graphite Crucible for Melting Furnace Work Melting Aluminum Copper Jewelry Casting Tools
Molten Masters$36.964.7★
GarveeTech Propane Melting Furnace Kit 6 kg Kit 1300C/2372F with Crucibles & Tongs Kiln Stainless Steel Smelter for Metal Scrap Recycle Gold Copper Silver Aluminum Metal Casting Machine
GarveeTech$97.573.7★
6KG Propane Melting Furnace Kit - Stainless Steel Smelter with Crucibles & Tongs 1300C 2372F Kiln for Metal Scrap Recycling Gold Copper Silver Aluminum Casting
Acekool$94.605.0★
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent quality”
“Decent price”
“As advertised”
“Seems durable”
“functions very well”
“Easy to use”
“the sizes are nice”
“I also liked that the burner produced consistent heat once adjusted correctly”
“sturdy”
“Assembly took just a few minutes”
What buyers complain about
“Breaks Too Easily”
“Too small”
“Poor Quality”
“it would not heat at all”
“I tried the dismount it ro save my gold but couldnt. Now i ll have to hire someone to save it without any loss”
“Slightly fragile”
“Cheap price cheap product”
“The 'break in' instructions were extensive which I did not follow”
“cant be used”
“I didn't like the material it was made out of”
Top return reasons
Common questions
- Is crucible profitable to sell on Amazon United States?
- The niche generates $869K/yr across 58 tracked products. 3 of 15 products launched in the last 360 days are still selling. 90-day search growth is -38.9%. Flapen's verdict: Worth a look (60/100).
- How competitive is the crucible niche?
- 33 brands and 48 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 65% of demand.
- What do buyers complain about in crucible?
- Top complaints mined from reviews: Durability, Size-Overall, Quality-Overall. The return rate is 1.3%.
- When does demand for crucible peak?
- Demand peaks in Jan; the busiest month runs 2.1× the quietest.
- What does it cost to enter the crucible niche?
- Listings span $6.51–$273.13; the average listing price is $66.97 (sweet spot $15–$100). The average incumbent carries 236 reviews — the moat a new listing must climb.
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