Steel, metals and foundry: Lean manufacturing software for steel mills, foundries and die casting plants
LeanSuite runs the daily routines of a steel mill, foundry or die casting plant in one place. Operators run furnace, caster and mill care checks on a tablet. Casting defects are ranked by what they cost. Maintenance procedures carry their lockout points, and skills held by a few melters and casters are tracked. Every abnormality and near miss goes to an owner with a due date.
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The process
From melt to shipment: where a mill or foundry loses time
A steel mill rolls or forges what it casts, and a foundry shakes out and finishes castings, but both follow the same five steps. Time, metal and energy are lost at each one.
Melt (electric arc, induction or cupola furnace)
Scrap, pig iron and alloys are charged, melted and brought to the right chemistry and temperature.
Where time and quality are lost
- Furnace delays from refractory repairs, electrode or coil problems and late charging.
- Heats outside chemistry or temperature that need extra time or are downgraded.
- Wet or contaminated scrap, a cause of splashes and explosions.
- Energy used to melt metal that comes back as returns or scrap.
Cast (continuous caster, sand molding, die casting)
Liquid metal is cast into slabs, billets and blooms, or poured into sand molds or dies.
Where time and quality are lost
- Breakouts, nozzle clogs and caster or molding line stops.
- Porosity, shrinkage, inclusions and cold shuts made during pouring and filling.
- Die and pattern changes, and scrap while a die comes up to temperature.
- Ladle and crane moves around people on the floor.
Roll, forge or shake out
Mills roll or forge cast product to size; foundries shake castings out of the sand and remove gates and risers.
Where time and quality are lost
- Roll changes and mill cobbles that stop the line.
- Surface and dimensional defects that downgrade product.
- Defects hidden in the casting that only show once the sand is off.
- Silica dust and noise at shakeout and in the roll shop.
Heat treat and finish
Product is annealed, quenched or tempered, then cut, ground, shot blasted or machined.
Where time and quality are lost
- Furnace loads waiting for space, and properties out of range after heat treatment.
- Grinding and welding repairs on castings, which add hours and can hide a defect.
- Defects found at the customer's machining, after all the work is done.
Inspect and ship
Product is tested, inspected, certified, tagged and loaded.
Where time and quality are lost
- Holds while test results, certificates or dispositions are waited for.
- Mixed or wrongly tagged heats and lots.
- Customer claims that arrive weeks after the material was made.
The problem
What slows steel mills, metals plants and foundries down
Steel mills, metals plants and foundries run hot, heavy, continuous equipment where one stop holds up everything after it, and much of the know-how sits with people close to retirement. Here is where that slows them down.
Furnace, caster and mill downtime
A stopped furnace, caster, rolling mill or molding line stops the whole flow behind it, and hot equipment wears fast. Operators see the early signs of a leak, a worn roll or a failing cooling line, but there is no quick way to log them, so small faults become long breakdowns.
Casting and surface defects that end as scrap
Porosity, shrinkage, inclusions, cold shuts and sand defects are made at pouring and molding but often found only at shakeout, finishing or the customer's machining. Every scrapped casting is metal melted, poured and cleaned twice, and the most expensive defect is not always the most talked about.
Off-spec material and customer complaints
A heat outside its chemistry, a coil or bar out of tolerance, or castings with a hidden defect reach the customer, and the claim arrives weeks later. Containment means finding every affected heat or lot fast, and the cause needs proof before the case closes.
Roll, die and pattern changes
Roll changes on the mill, die changes on die casting machines and pattern changes on molding lines take the equipment down. The first parts or tonnes after the change are often scrap while everything comes back up to temperature and size.
Molten metal, cranes and silica
Molten metal splashes and moisture explosions, overhead cranes moving ladles and heavy loads, hot surfaces and respirable silica from sand and refractory are everyday hazards. Near misses go unreported when reporting is a hassle, and lockout procedures lag behind changes to the equipment.
Maintenance know-how for shutdowns and relines
Relines, roll shop work, caster segment changes and shutdown jobs are done a few times a year by crews who learned them from the last person who did them. Steps, torque values and isolation points live in notebooks, so each job takes longer than it should and carries more risk.
Retiring melters, casters and crane operators
Melters, casters, furnace operators, crane operators and roll shop staff take years to learn their jobs, and many are close to retirement. When one is off, the shift runs short or someone does the job who has never done it alone.
How LeanSuite helps
How LeanSuite helps steel mills, metals plants and foundries
Each problem maps to a LeanSuite module you can start with on its own, then connect to the rest.
Furnace, caster and mill downtime
In LeanSuite: Build visual CILR routines and schedule them through Daily Standard Work. Operators confirm machine condition on a tablet, with required photos as proof, and minor leaks and vibrations are tagged and routed to maintenance instantly. Professional maintenance tags turn radio calls and firefighting into work orders every technician can see, own and close out.
Autonomous MaintenanceCILR ChecklistsProfessional Maintenance Tags
Casting and surface defects that end as scrap
In LeanSuite: The QA Matrix gives every internal and customer defect an AA, A, B or C priority from cost, frequency, severity and detection point, with weights you set. Any defect can open a Kaizen or CAPA, so engineers start with the costly ones.
Off-spec material and customer complaints
In LeanSuite: Each non-conformance is captured with photos and routed to quality and engineering. Containment tasks, such as quarantining a batch, are assigned and time-stamped before root cause analysis starts. Systemic issues run through 8D or DMAIC in Kaizen & Projects, and the fix goes to every affected operator as a One-Point Lesson before the NCR closes.
Roll, die and pattern changes
In LeanSuite: Run each changeover as a visual checklist in Lean Creator and require a photo on the steps that matter most. Missing items are flagged from the tablet as issues, and step timings show where time goes. Vision AI can also film a changeover, separate internal from external tasks and recommend a leaner sequence.
Molten metal, cranes and silica
In LeanSuite: Anyone can report a near miss by scanning a station QR code with their phone, anonymously if you allow it, and each hazard becomes a corrective action with a due date. Lean Creator turns lockout procedures into photo-verified isolation steps, and only trained, authorized people can start a lockout.
Maintenance know-how for shutdowns and relines
In LeanSuite: LeanSuite drafts a standard maintenance procedure from one filmed walkthrough: steps, tools, PPE and warnings. Lockout points go into the draft too when the video shows or says them, and each procedure has revision control, e-signatures and per-person sign-off.
Retiring melters, casters and crane operators
In LeanSuite: The skills matrix shows jobs only one person can do, so you can schedule cross-training before that person is out. Training and on-the-job sign-offs update skill levels automatically, and One-Point Lessons that AI builds from your experts' before-and-after photos capture their know-how.
Standards
Standards steel mills, metals plants and foundries work to
Which apply depends on the metal, the process and the customer. These are the ones most often named.
- OSHA 29 CFR 1910.1053Respirable crystalline silica in general industry, which covers foundry sand, refractory and blasting work.
- OSHA 29 CFR 1910.179Overhead and gantry cranes: inspection, maintenance and operation.
- OSHA 29 CFR 1910.147Control of hazardous energy (lockout/tagout) during service and maintenance.
- ISO 9001The quality management system most mills and foundries are certified to.
- IATF 16949Quality system for plants that supply automotive castings, bar, sheet or forgings.
- ISO 14001 and ISO 50001Environmental management and energy management systems.
- EPA NESHAP for iron and steel foundries (40 CFR Part 63, Subparts EEEEE and ZZZZZ)Air emission rules for iron and steel foundries.
- ASTM material and test specificationsThe grades, chemistry, properties and test methods customers order to.
LeanSuite is not a certification and does not make a plant compliant with any of these. It keeps a time-stamped record of the checks, audits, training and corrective actions your own program runs, which you can export for an auditor.
Customers
Companies that use LeanSuite
Whirlpool case study
How Whirlpool tackled project visibility and continuous improvement across 14 manufacturing plants with LeanSuite.
Its Global Kaizen Power Pitch saw 150 Kaizen presented, $14.8M in hard savings and $17.6M in soft savings.
14
Manufacturing plants
150
Kaizen presented at the Global Kaizen Power Pitch
$14.8M
Hard savings
$17.6M
Soft savings
What getting started looks like
Under a week
Until your first module is live; our team does the setup
$3,000
90-day pilot per facility
One flat price per facility
Unlimited users, so adding people does not change the price
99.5%
Monthly uptime commitment in the service agreement
SOC 2 Type 1 audited, hosted on secure cloud infrastructure, with single sign-on through Microsoft Entra ID or Okta and employee-ID sign-in for operators without email. Details on the security page.
Want to try it on one line first? See how the 90-day pilot works.
Free resources
Guides and templates
Free guides, templates and buyer's guides for steel mills, metals plants and foundries, with no sign-up to read them.
Free tools
Related free calculators
Work out the numbers behind these problems. Each calculator shows its formula and a worked example, with no sign-up.
Scrap rate calculator
Scrap rate, the cost of scrap per period and per year, and what reaching a target rate would save.
Open calculatorOEE calculator
Overall equipment effectiveness from shift time, downtime, ideal cycle time and part counts.
Open calculatorMTBF and MTTR calculator
Mean time between failures, mean time to repair and availability from operating time, failures and repair time.
Open calculatorNoise dose and TWA calculator
Dose and 8-hour TWA for a shift of noise levels under OSHA and NIOSH, which limits are reached and how much loud time to cut.
Open calculator
FAQ
Questions from steel mills, metals plants and foundries
Yes. The QA Matrix gives every internal and customer defect an AA, A, B or C priority from cost, frequency, severity and detection point, with weights you set. Any defect can open a Kaizen or CAPA, and the ranking works from your imported defect data, so it reflects your own scrap and claims.
No. Process control, heat records and chemistry stay in the systems that run the furnace and the lab. LeanSuite runs the improvement system around them: operator care checks, maintenance and safety tags, defect ranking, corrective actions, procedures and training.
Yes. LeanSuite runs in the browser and has mobile apps on the App Store and Google Play. Near misses can be reported by scanning a station QR code with a phone, with no app download. Operators sign in with an employee ID, so they do not need a company email.
LeanSuite is not a certification and does not make a plant compliant. It keeps the records your own program produces: inspections and checklists you build, lockout steps with photos, training sign-offs and corrective actions, each time-stamped and ready to export for an auditor.
LeanSuite is one flat price per facility with unlimited users, so every operator on every shift can use it without adding seats. There is no published annual price; you can request a quote on the pricing page. The first module is live in under a week, and LeanSuite's team does the setup. A 90-day pilot costs $3,000 per facility.
See LeanSuite on your furnace, caster or molding line
Bring the routine you want to fix first. We will show you how LeanSuite handles it and what a 90-day pilot would cover.