800.852.8352
Fax: 937.866.4174
Midwest Fasteners, Inc.
450 Richard St.
Miamisburg, OH 45342
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MIDWEST FASTENERS
CAPACITOR DISCHARGE (CD)
and ARC WELD STUDS
GENERAL SPECIFICATIONS
Capacitor Discharge weld studs, as manufactured by MIDWEST Fasteners, are available in Mild Steel, Stainless Steel, and Aluminum, as “standard” in-stock types. Brass and other special materials, as well as select, exotic grades of stainless steel, are also available. Copper Plating is standard for Mild Steel weld studs in Capacitor Discharge varieties. Flanged, small-flanged, and non-flanged style capacitor discharge studs are available from MIDWEST. All low carbon steel and stainless steel studs are annealed where required. UNC-2A is standard for external threads prior to plating and UNC-2B for internal threads. Metric capacitor discharge studs are in-stock in Mild and Stainless Steels, for other thread sizes contact the MIDWEST FASTENERS. CD studs have no appreciable length reduction after welding. Ferrules are not required for Capacitor Discharge studwelding.
CAPACITOR DISCHARGE |
ARC |
| MATERIAL: |
Standard in low carbon steel, 302/304/305 stainless, and 1100, 6061, and 5000 series aluminum. Brass and other grades of stainless steel are also available. |
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Standard in low carbon steel and 302/304/305 stainless. Aluminum, monel, inconel, and other grades of stainless steel are available. |
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| PLATING: |
Copper plating is standard. Cadmium, nickel, zinc, and other platings are available. |
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Cadmium to ASTM-A 165 type TS, zinc to ASTM-B 633 (formerly A 164) and other platings are available. Non-weldable plating is removed from the weld end to avoid contamination of the weld. |
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| ANNEALING: |
All low carbon steel and stainless steel studs are annealed where required. |
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Low carbon steel can be annealed to a maximum of 75 Rockwell B and stainless steel to a maximum of 90 Rockwell B. |
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| THREADS: |
UNC-2A is standard for external threads prior to plating and UNC-2B for internal threads. For
metric and other thread sizes contact the MIDWEST FASTENERS Customer Service Department. |
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| WELD BASE: |
Flanged, small-flanged, and non-flanges are available |
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1/4" dia. and over have solid flux. Diameters under 1/4" are standard pointed, and flux is optional. |
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| STUD LENGTH : |
CD studs have no appreciable length reduction after welding. |
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MIDWEST FASTENERS arc stud length designations are BEFORE WELD; AFTERWELD lengths are shown in the table below |
| STUD DIAMETER |
APPROX. REDUCTION |
| 3/16" thru 1/2" |
1/8" |
| 5/8" thru 7/8" |
3/16" |
| 7/8" and over |
1/4" |
| 1/8" wide rectangulars |
1/8" |
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| FERRULES : |
Does not apply to CD |
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All orders include ferrules when they are required |
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Please fill in the form below to receive a prompt quote or call 800-852-8352.
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