Photo: gcproc.comGet prices and lead times from Granite City Processing
What you can buy
Hot-rolled
Hot-rolled pickled & oiled
- Slit coil
- Cut-to-length sheet
Sizes
- Pickling
- Hot-rolled black coil, 0.050"–0.500" thick, 25"–72" wide, coils to 60,000 lb; oiled, dry or dry-lube finish
- Pickle line shape correction
- Up to 0.180" × 60"
- Slitting
- 0.055"–0.500" thick across three slitters, set-up widths to 72", coils to 60,000 lb
- Cut-to-length (heavy gauge)
- 0.120"–0.500" thick, up to 61.5" wide, 12"–240" lengths, ±0.125" length tolerance, coils to 60,000 lb
- Cut-to-length (light gauge)
- 0.109"–0.375" thick, up to 36" wide, 18"–164" lengths, ±0.125" length tolerance, coils to 30,000 lb
About Granite City Processing
Granite City Processing is a flat-rolled steel toll processor in Granite City, Illinois, operating since January 2026 as a joint venture of Heidtman Steel Products and Steel and Pipe Supply. From a 264,000 sq ft plant it pickles hot-rolled coil and slits and cuts to length heavy-gauge steel up to 0.500" thick for stamping, forming and fabrication.
- Processing
- Slitting, Cut-to-length, Leveling, Pickling, Toll processing
- Ownership
- Joint venture of Heidtman Steel Products and Steel and Pipe Supply
Location
Granite City, IL
Headquarters
Photos
In the news
AIST, June 2026Butech Bliss to Deliver Stretch Leveling Cut-to-Length Line to Granite City Processing- Steel Market Update, January 2026Heidtman, Steel and Pipe Supply open JV in Granite City
- Modern Metals, January 2026Heidtman Steel Products and Steel and Pipe Supply Announce Joint Venture: Granite City Processing LLC
Prices and lead times from Granite City Processing, without the phone tag.