Alloys For Karat Gold

The following alloy table indicates recommended karat usages, alloy melting temperatures, and resulting karat gold melting temperatures.

Yellow and Green Alloys

The yellow and green alloys are listed in order of increasing silver content. The silver content is very influential on the color of the karat gold produced; low silver content yields reddish colors and higher levels yield greener colors.

Yellow Alloys

Designation
#711
Recommended Karat Use
10,14
Alloy Liquidus Temp ºF (ºC)
1830 (1000)
10Kt. Gold Liquidus Temp ºF (ºC)
1625 (885)
14Kt. Gold Liquidus Temp ºF (ºC)
1615 (880)
18Kt. Gold Liquidus Temp ºF (ºC)
Designation
#257
Recommended Karat Use
10,14
Alloy Liquidus Temp ºF (ºC)
1710 (932)
10Kt. Gold Liquidus Temp ºF (ºC)
1590 (885)
14Kt. Gold Liquidus Temp ºF (ºC)
1570 (855)
18Kt. Gold Liquidus Temp ºF (ºC)
Designation
#50
Recommended Karat Use
10,14
Alloy Liquidus Temp ºF (ºC)
1740 (950)
10Kt. Gold Liquidus Temp ºF (ºC)
1600 (870)
14Kt. Gold Liquidus Temp ºF (ºC)
1575 (857)
18Kt. Gold Liquidus Temp ºF (ºC)
Designation
#205
Recommended Karat Use
10,14
Alloy Liquidus Temp ºF (ºC)
1725 (940)
10Kt. Gold Liquidus Temp ºF (ºC)
1580 (860)
14Kt. Gold Liquidus Temp ºF (ºC)
1575 (857)
18Kt. Gold Liquidus Temp ºF (ºC)
Designation
#332
Recommended Karat Use
10,14
Alloy Liquidus Temp ºF (ºC)
1715 (935)
10Kt. Gold Liquidus Temp ºF (ºC)
1555 (845)
14Kt. Gold Liquidus Temp ºF (ºC)
1545 (840)
18Kt. Gold Liquidus Temp ºF (ºC)
Designation
#201
Recommended Karat Use
10,14
Alloy Liquidus Temp ºF (ºC)
1670 (910)
10Kt. Gold Liquidus Temp ºF (ºC)
1550 (843)
14Kt. Gold Liquidus Temp ºF (ºC)
1550 (843)
18Kt. Gold Liquidus Temp ºF (ºC)
Designation
#1
Recommended Karat Use
10,14,18
Alloy Liquidus Temp ºF (ºC)
1705 (930)
10Kt. Gold Liquidus Temp ºF (ºC)
1565 (850)
14Kt. Gold Liquidus Temp ºF (ºC)
1560 (850)
18Kt. Gold Liquidus Temp ºF (ºC)
1600 (870)
Designation
#209
Recommended Karat Use
10,14,18
Alloy Liquidus Temp ºF (ºC)
1660 (905)
10Kt. Gold Liquidus Temp ºF (ºC)
1545 (840)
14Kt. Gold Liquidus Temp ºF (ºC)
1540 (840)
18Kt. Gold Liquidus Temp ºF (ºC)
1580 (860)
Designation
#340
Recommended Karat Use
10,14,18
Alloy Liquidus Temp ºF (ºC)
1740 (950)
10Kt. Gold Liquidus Temp ºF (ºC)
1605 (875)
14Kt. Gold Liquidus Temp ºF (ºC)
1605 (875)
18Kt. Gold Liquidus Temp ºF (ºC)
1635 (990)
Designation
#208
Recommended Karat Use
10,14,18
Alloy Liquidus Temp ºF (ºC)
1630 (890)
10Kt. Gold Liquidus Temp ºF (ºC)
1525 (830)
14Kt. Gold Liquidus Temp ºF (ºC)
1555 (845)
18Kt. Gold Liquidus Temp ºF (ºC)
1635 (890)
Designation
#216
Recommended Karat Use
10,14,18
Alloy Liquidus Temp ºF (ºC)
1580 (860)
10Kt. Gold Liquidus Temp ºF (ºC)
1500 (815)
14Kt. Gold Liquidus Temp ºF (ºC)
1545 (840)
18Kt. Gold Liquidus Temp ºF (ºC)
1645 (895)
Designation
#352
Recommended Karat Use
10,14,18
Alloy Liquidus Temp ºF (ºC)
1620 (880)
10Kt. Gold Liquidus Temp ºF (ºC)
1525(830)
14Kt. Gold Liquidus Temp ºF (ºC)
1520 (827)
18Kt. Gold Liquidus Temp ºF (ºC)
1560 (580)
Designation
#10
Recommended Karat Use
18
Alloy Liquidus Temp ºF (ºC)
1555 (845)
10Kt. Gold Liquidus Temp ºF (ºC)
14Kt. Gold Liquidus Temp ºF (ºC)
18Kt. Gold Liquidus Temp ºF (ºC)
1585 (863)

   GHS SDS

Green Alloys

Designation
#20
Recommended Karat Use
10
Alloy Liquidus Temp ºF (ºC)
1500 (815)
10Kt. Gold Liquidus Temp ºF (ºC)
1430 (775)
14Kt. Gold Liquidus Temp ºF (ºC)
18Kt. Gold Liquidus Temp ºF (ºC)
Designation
#120
Recommended Karat Use
14,18
Alloy Liquidus Temp ºF (ºC)
1510 (820)
10Kt. Gold Liquidus Temp ºF (ºC)
14Kt. Gold Liquidus Temp ºF (ºC)
1560 (850)
18Kt. Gold Liquidus Temp ºF (ºC)
1685 (920)
Designation
#202
Recommended Karat Use
14,18
Alloy Liquidus Temp ºF (ºC)
1455 (790)
10Kt. Gold Liquidus Temp ºF (ºC)
14Kt. Gold Liquidus Temp ºF (ºC)
1610 (875)
18Kt. Gold Liquidus Temp ºF (ºC)
1725 (940)
Designation
#219
Recommended Karat Use
14,18
Alloy Liquidus Temp ºF (ºC)
1440 (780)
10Kt. Gold Liquidus Temp ºF (ºC)
14Kt. Gold Liquidus Temp ºF (ºC)
1615 (880)
18Kt. Gold Liquidus Temp ºF (ºC)
1740 (950)
Designation
#204
Recommended Karat Use
14,18
Alloy Liquidus Temp ºF (ºC)
1425 (775)
10Kt. Gold Liquidus Temp ºF (ºC)
14Kt. Gold Liquidus Temp ºF (ºC)
1635 (890)
18Kt. Gold Liquidus Temp ºF (ºC)
1740 (950)
Designation
#355
Recommended Karat Use
14,18
Alloy Liquidus Temp ºF (ºC)
1510 (820)
10Kt. Gold Liquidus Temp ºF (ºC)
14Kt. Gold Liquidus Temp ºF (ºC)
1695 (925)
18Kt. Gold Liquidus Temp ºF (ºC)
1774 (970)

   GHS SDS

White Alloys

The white alloys are listed in order of increasing nickel content. The alloy’s nickel content is most influential in resulting karat gold properties and color. As the nickel content increases, the whiteness, strength, and hardness increase. The alloys listed offer the optimum balance between color and workability.

Nickel Free White Alloys are available for 10K, 14K, and 18K, and conform to European Nickel Standards, are non-allergenic, and avoid the risk of stress corrosion.

Designation
#315
Recommended Karat Use
10,14
Alloy Liquidus Temp ºF (ºC)
2020 (1105)
10Kt. Gold Liquidus Temp ºF (ºC)
1800 (985)
14Kt. Gold Liquidus Temp ºF (ºC)
1675 (915)
18Kt. Gold Liquidus Temp ºF (ºC)
Designation
#314
Recommended Karat Use
10,14
Alloy Liquidus Temp ºF (ºC)
2015 (1100)
10Kt. Gold Liquidus Temp ºF (ºC)
1815 (990)
14Kt. Gold Liquidus Temp ºF (ºC)
1700 (925)
18Kt. Gold Liquidus Temp ºF (ºC)
Designation
#612
Recommended Karat Use
10,14
Alloy Liquidus Temp ºF (ºC)
2090 (1145)
10Kt. Gold Liquidus Temp ºF (ºC)
1850 (1010)
14Kt. Gold Liquidus Temp ºF (ºC)
1735 (945)
18Kt. Gold Liquidus Temp ºF (ºC)
Designation
#318
Recommended Karat Use
10,14
Alloy Liquidus Temp ºF (ºC)
2100 (1150)
10Kt. Gold Liquidus Temp ºF (ºC)
1855 (1015)
14Kt. Gold Liquidus Temp ºF (ºC)
1735 (945)
18Kt. Gold Liquidus Temp ºF (ºC)
Designation
#601
Recommended Karat Use
10,14
Alloy Liquidus Temp ºF (ºC)
2130 (1165)
10Kt. Gold Liquidus Temp ºF (ºC)
1880 (1025)
14Kt. Gold Liquidus Temp ºF (ºC)
1750 (955)
18Kt. Gold Liquidus Temp ºF (ºC)
Designation
#319
Recommended Karat Use
10,14
Alloy Liquidus Temp ºF (ºC)
2140 (1170)
10Kt. Gold Liquidus Temp ºF (ºC)
1895 (1035)
14Kt. Gold Liquidus Temp ºF (ºC)
1775 (970)
18Kt. Gold Liquidus Temp ºF (ºC)
Designation
#411
Recommended Karat Use
18
Alloy Liquidus Temp ºF (ºC)
2165 (1185)
10Kt. Gold Liquidus Temp ºF (ºC)
14Kt. Gold Liquidus Temp ºF (ºC)
18Kt. Gold Liquidus Temp ºF (ºC)
1670 (910)

   GHS SDS

Pink (Rose) Alloys

Designation
#304
Recommended Karat Use
10,14,18
Alloy Liquidus Temp ºF (ºC)
1950 (1065)
10Kt. Gold Liquidus Temp ºF (ºC)
1710 (932)
14Kt. Gold Liquidus Temp ºF (ºC)
1775 (970)
18Kt. Gold Liquidus Temp ºF (ºC)
1850 (1010)

   GHS SDS

Casting

Alloys are also available with silicon and boron deoxidizers which produce brighter, smoother castings with less porosity.

Deoxidized alloys are only recommended for casting applications.

Stone In Casting

A number of our alloys are suitable for casting with stones.

Enamel Alloys

High quality enameling is achieved with the following zinc-free alloys: #340, #208, #216, #120, #219, and #355.

Age Hardening Alloys

For pins, snaps, posts, clasps, locks, and other manufacturing applications requiring hardness and higher tensile strength: #208, #216, and #202.

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