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Smelting and Refining Rod/Wire Smelting and Refining


Smelting and Refining

The procedures in place at Imperial ensure that the quality of the wire you receive will meet your requirements.

Fabricated karat gold alloys in these forms are available in a full range of colours at plumb content in the standard karats.  Attention to consistency and quality is part of each stage of processing, from ensuring the gold content is at target correct through to final inspection to check that the dimension, surface finish, temper and when needed hardness or tensile values match the requirements stated on your order.

This is equally true of all fabricated products made using our silver and platinum alloys.

Imperial’s Ready-Stock™ wire products are designed to meet the need of both the high volume factory and the small volume bench jeweller. They are shipped in a half-hard state allowing you to use them “as-is” or anneal them for a softer temper. Providing optimum ductility and strength as well as superior performance, Ready-Stock™ wire products are made to exact dimensions and are drawn through dedicated precision finishing dies. They offer the finest quality and best surface finish with tight tolerance controls, and come in a wide range of size - round, half-round, rectangular and square. Thanks to our same-day delivery service, Ready-Stock™ wire is ideal for “just-in-time” fabrication, repair and sizing, and ensures your creations not only start off perfect but also finish that way.


Special Alloys and Products
A series of heat treatable alloys is also available should their unique properties be required in your application. 

Solder filled wire is available in yellow or white gold, in 10 and 14 Karat.  The solder and jacket are the same karat so you can focus on the design of the final product without needing to consider how much of the jacket is being removed.

Please contact a customer service representative, if your application involves silver solder filled wire, or any other application not listed here.

Requirements for lot traceability or some quality based certificates can generally be accommodated if our customer service representative is aware of them when your order is entered.


Dimensions and Shapes
The table below lists the wire shapes available, and provides an idea of the sizes that can be supplied outside of the Ready-Stock™ program.
 

Imperial delivers the quality, reliability and innovation you expect from a market leader in the manufacture of precious metals for contemporary jewellers and hi-tech industries.
 
Smelting and Refining Casting Grain
Smelting and Refining Plate/Strip
Smelting and Refining Rod/Wire
 
Smelting and Refining Round
Smelting and Refining Half-Round
Smelting and Refining Rectangular
Smelting and Refining Square
Smelting and Refining Tube
Imperial Smelting and Refining
Seamless Wedding Bands
Smelting and Refining Solder Coupons & Wire
Smelting and Refining Findings
 
 

SHAPE
DIMENSIONS
TOLERANCE1
Round
0.10 mm to 15 mm
0.004 in to 0.591 in
Carbide Dies

(> 1 mm/0.039 in):
+/- 0.03 mm (+/- 0.0012 in)

Diamond Dies (< 1 mm/0.039 in):
+/- 0.01 mm (+/- 0.0004 in)

 

Oval2
3.65 mm x 4.80 mm

0.144 in x 0.189 in

3.50 mm x 4.70 mm
0.138 in x 0.185 in
3.40 mm x 4.50 mm

0.134 in x 0.177 in

3.25 mm x 4.30 mm

0.128 in x 0.169 in

3.15 mm x 4.15 mm

0.124 in x 0.163 in

3.00 mm x 4.00 mm

0.118 in x 0.157 in

2.95 mm x 3.85 mm

0.116 in x 0.152 in

2.80 mm x 3.70 mm

0.110 in x 0.146 in

2.70 mm x 3.55 mm

0.106 in x 0.140 in

2.55 mm x 3.40 mm

0.100 in x 0.134 in

2.50 mm x 3.35 mm

0.098 in x 0.132 in

2.40 mm x 3.20 mm

0.094 in x 0.126 in

2.30 mm x 3.00 mm

0.091 in x 0.118 in

2.15 mm x 2.85 mm

0.085 in x 0.112 in

2.05 mm x 2.70 mm

0.081 in x 0.106 in

1.95 mm x 2.54 mm

0.077 in x 0.100 in

1.85 mm x 2.40 mm

0.073 in x 0.094 in

1.70 mm x 2.25 mm

0.067 in x 0.089 in

1.60 mm x 2.15 mm
0.063 in x 0.085 in
Height : +/- 0.10 mm (+/- 0.0039 in)
Width : +/- 0.10 mm (+/- 0.0039 in)

 

Square
0.41 mm  to 6.00 mm
0.016 in to .236 in

+/- 0.03 mm (+/- 0.0012 in)

Half Round
0.28 mm x 0.55 mm
to 3.00 mm x 4.50 mm
0.011 in x 0.021 in
to0.118 in x 0.177 in
Height : +/- 0.05 mm (+/- 0.002 in)
Width : +/- 0.10 mm (+/- 0.0039 in)
Rectanglar
0.50 mm x 0.75 mm
to 3.00 mm x 4.50 mm
0.019 in x 0.029 in
to 0.118 in x 0.177 in
Height : +/- 0.05 mm (+/- 0.002 in)
Width : +/- 0.10 mm (+/- 0.0039 in)
Tape
Heights from .07 mm to .55 mm Widths from .25 mm to 3.0 mm wide
Heights from .003 in to .022 in Widths from .010 in to .118 in wide
Height :

+/- 0.004 mm (+/- 0.00015 in)

Width : +/- 0.005 mm (+/- 0.0002 in
   
1 Tolerances listed are Imperial’s standard tolerances. If you require tighter tolerances, please
contact customer service.
2 Oval wire is not available in platinum an nickel-white gold.
   
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