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Custom Metal
Fabrication Guidelines
High standards are the signature of John W. Danforth Company. That’s what our staff of over 75 expert craftsmen aspires to in the design and installation of our fabricated parts and in delivery of our repair services. Our 48,000 square foot state-of-the-art facility allows us to provide cutting, bending, welding, machining, and painting services for all types of metal. This includes: galvanized, stainless steel, aluminum and any other sheetmetal or light iron. We’re committed to meeting all SMACNA standards for custom metal fabrication and installation. These aren’t the only standards we hold ourselves to-we must meet yours as well. To do that, we design and fabricate to your unique needs, complete your project within budget, and deliver or install your equipment on time, every time.
If your needs dictate a custom design, we are fully equipped to deliver complete custom services from design through installation. Utilizing the latest AutoCAD technology and computerized manufacturing, our detailers can develop custom fabricated products in response to your unique specifications. No matter how large or small the job, we will find the right solution for you.
1. Cutting a. Shears
Mild Steel up to 3/8” thick x 10’ long
Stainless Steel up to 3/8” thick x 10’ long
Coil Line
Mild Steel – 16gauge
Stainless Steel – 20 gauge
b. Plasma Cutters
Lockformer 2900 Max 100
3/8” plate at 60” per minute maximum
Vulcan 3100 High Def HPR 130
¾” plate at 25” per minute maximum
c. Ironworker
Pirahanna – angle iron and punch press. 50 ton capacity.
d. Saws
Abrasive Saw
Concent Horz bandsaw
Start-rite bandsaw
2. Forming
a. Press Brakes
Piranha 200 ton – 2” bott v die – 8” deep throat 
¼” plate mild steel at 120”per minute
¼” plate stainless steel at 96” per minute
HTC 100 ton 8” deep throat
102 “ between uprights
10 gauge mild steel at 96” per minute
16 gauge mile steel at 120” per minute
b. Rollers
5’ Roundo – 8” diameter pipe at 60” long –16 ga stainless steel
5’ Waldemar – 12” diameter pipe at 60” long –1/4” plate mild steel
5’ Builtrite- 6” diameter pipe at 60” long- 18 ga. mild steel
c. Rollforming Machines
Pittsburg – 18 ga. galvanized with barslip station
22 ga. with s/d station Snaplock
TDC with cleat and standing steam –1”
Triplex flange/gilledge/dovetail/slips and drivers
3. Welding 
A. Tig and Mig Welding
Stainless/ Carbon steel, all position,
.0635" to .375" thickness
Aluminum, all position,
.0635" to 2.5" thickness
B. Certification
Welders are AWS certified in GMAW process, Carbon Steel all position,75/25 gas, F6-filler
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