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GONGYI

GongYi #12S (30.8lbs-14kg) Clay Graphite Crucible for Metal Melting Casting Refining Gold Silver Copper Brass Aluminum

    • Based on 520 reviews
Condition: New
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Availability: Only 5 left in stock, order soon!
Fulfilled by Amazon
Arrives Thursday, Jan 30
Order within 21 hours and 6 minutes
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Size: # 12S


Features

  • Outside Dimensions: #12S: 5.7" Dia. x 7.5" Height.
  • Material: Specially added silicon carbide to make the crucible more durable, suit for Carbide Furnace Coke Oven.
  • High Temperature Resistance: Withstand temperatures up to 1800C(3300F). We recommend preheat the crucible up to about 500C and holding about 10 minutes before melting.
  • Wide Application: Excellent tool for melting Gold, Silver, Copper, Brass, Aluminum, Glass and more.
  • Capacity: 1560ML, can cast (30.8lbs-14kg) Copper.

Description

GONGYI 12S (30.8lbs-14kg) Professional Silicon Carbide Graphite Crucibles Cup for Melting Casting Refining Gold Silver Copper Brass Aluminum


Brand: GONGYI


Color: Black


Material: Clay


Package Dimensions: 9.29 x 7.52 x 7.44 inches


Item Weight: 5.44 pounds


Manufacturer: GONGYI


Item model number: GY-SMGG-12S


Batteries required: No


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Jan 30

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Nice crucible. Seems high quality
Size: # 3
I use this for aluminum exclusively and it’s holding up well after about 50 pours. Starting to show some signs of degradation but that is expected. Make sure to properly treat the crucible before first use.
Reviewed in the United States on August 26, 2023 by AJ
    • No problems
Size: # 0.5
Fast shipping, arrived as described
Reviewed in the United States on August 18, 2023 by Amazon Customer
    • Great item
Size: # 8
Works better then expected
Reviewed in the United States on August 11, 2023 by Jerad Caldwell
    • Works Great:
Size: # 6
I used the #5S a few times now, which holds more than the #6 by volume, while costing less, and melted aluminum in it to about ¼ inch from the top of the crucible. It performed as expected. Each crucible came with the same data sheet in the box the crucible came in. Both data sheets are for the #6 crucible and not for the #5S crucible. It would be nice to have the correct data sheet for the #5S crucible. Some of the reviews look like they don’t know how to use these clay graphite crucibles, because you do have to keep in mind they are made of clay. You can’t fill them with metal to be melted that is forced into the crucible, even a little bit, because as the metal as it heated it will expand. This expansion can crack and even break your crucible. Also don’t let the metal harden inside the crucible after a melt. Pour any remainder out into a ingot mold. They can’t take shock as well. Banging it on the ground will in time break the crucible. Treating these crucibles like they are made of clay should make them last a long time. Now after a melt and pouring the remainder in an ingot mold there will be a little metal left on the sides of the crucible, and the fact that it is made of graphite makes this easy to remove after it cools. ... show more
Reviewed in the United States on February 27, 2023 by Amazon Customer
    • thin walls low quality
Size: # 5S
thin walls I'm hesitant to use it for copper. probably ok for aluminum zinc or lead. other small defects.
Reviewed in the United States on August 16, 2023 by Grace K.
    • Reseña de crisol de gafrito
Size: # 6
Review Image by Ángel Garcia Ángel Garcia
Review Image by Ángel Garcia Ángel Garcia
Review Image by Ángel Garcia Ángel Garcia
Llegó sin novedad, bien empaquetado y con instrucciones
Reviewed in the United States on June 29, 2023 by Ángel Garcia Ángel Garcia
    • Even heat
Size: # 1
Heated nice and even, no issues
Reviewed in the United States on June 19, 2023 by Amazon Customer
    • very durable
Size: # 1
I am pleasantly surprised with the durability of this product, It has withstood multiple trips into the furnace and has completely cooled dozens of times. I have knocked it over, I even dropped it one day, still in use.
Reviewed in the United States on December 23, 2022 by John U

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