Start with the checker: enter load, rating, surface, geometry, product class, and proof level. Then use the report to decide whether a 200 lb magnet, a 100 kg class lifter, a sheet handler, or a mechanical fixture is the safer path.
200-lb lifting magnet fit checker
Estimate practical capacity after product class, geometry, surface, and proof gaps. This is procurement triage, not final lift approval.
Result will appear here
Use the default 150-lb load against a 200-lb industrial rating to see the baseline. The tool exposes boundary, error, and fallback states before any quote request.
Report summary
Hybrid research refresh: June 9, 2026. The page intentionally handles ambiguous do/know intent in one URL: the tool rejects bad fit first, and the report documents why that result is credible.
A 200 lb pull-force magnet is not automatically a 200 lb below-the-hook lifting device.
Evidence: SERP review found Grainger/Industrial Magnetics style lifting results next to retrieval/fishing-style magnets and sheet handlers.
Clean flat steel is the narrow baseline. Thin sheet, round stock, rust, paint, oil, and partial contact should trigger derating or a different device.
Evidence: NIST conversion factors plus HSE and manufacturer guidance that rated magnetic capacity depends on material, thickness, air gap, surface condition, and contact area.
A compact capacity does not remove the need for rated-load basis, manual, inspection routine, and operator controls.
Evidence: ASME B30.20/BTH-1 and OSHA/HSE guidance frame below-the-hook devices and magnetic lifting hazards.
Some public 200 lb products are manual sheet separators or sheet handlers, useful for positioning but not always interchangeable with hoist lifting magnets.
Evidence: Vestil lists a 200 lb sheet handler with 5/16 in maximum penetration; that is a different claim than a 200 lb flat/60 lb round magnetic lifter.
The calculator rejects non-lifting product classes before the report explains sources, alternatives, and risk controls.
Evidence: The page flow is checker -> interpreted result -> method -> evidence -> comparison -> FAQ.
For purchasing, request the exact model, SWL/rated load, test basis, load geometry limits, and manual rather than relying on headline pull force.
Evidence: Public listings rarely expose enough proof for final release without supplier confirmation.
Capacity conversion
200 lb = 90.7 kg
Calculated using 1 lb = 0.45359237 kg.
Tool baseline
150 lb load / 200 lb rating
Default keeps utilization visible instead of assuming full rated load is safe.
Round-stock screen factor
30% sample ratio
Vestil ML-2 public data lists 200 lb flat and 60 lb round capacity.
Thin-material screen factor
0.74x
Internal triage only; HSE says thin/flexible loads may need multiple magnets, not only weight capacity.
Proof score swing
0 to 30 points
No proof, basic manual, or traceable test record changes confidence.
Research timestamp
2026-06-09
Public source review date for this stage.
The checker is a shortlist triage model. It combines capacity conversion, product-class exclusion, geometry/surface derating signals, and proof-package confidence.
| factor | tool policy | rationale | evidence level |
|---|---|---|---|
| Product class | Reject retrieval/fishing or unclear class. | Misclassified pull-force magnets are the highest-risk SERP trap. | SERP pattern + safety standard boundary. |
| Load geometry | Flat = baseline; thin/round/unknown reduce practical capacity. | Magnetic contact area and flux path drive usable holding force. | Supplier guidance + internal conservative heuristic. |
| Surface condition | Paint, rust, oil, and debris reduce confidence. | Air gap and contamination reduce magnetic holding force. | Supplier guidance and HSE risk guidance. |
| Proof package | Manual and test basis raise confidence; no proof keeps conditional. | Final release needs traceable load basis, not only ecommerce copy. | Procurement and safety-control requirement. |
| gap | previous risk | added evidence | decision impact |
|---|---|---|---|
| Pull force vs rated lifting capacity | Page warned against pull-force substitution but did not show enough standard/regulatory context. | ASME BTH-1/B30.20 boundary plus OSHA powered-magnet crane switch/discharge requirement. | Reject retrieval magnets and require a lifting-device proof basis before RFQ comparison. |
| Geometry derating at 200 lb | Round-stock and thin-sheet factors looked like opaque heuristics. | Vestil ML-2 lists 200 lb flat capacity and 60 lb round capacity; HSE lists thickness, shape, contact area, stiffness, and air gap as SWL factors. | Treat non-flat loads as conditional even when headline weight is below 200 lb. |
| Sheet handler boundary | The page mentioned sheet handlers without a concrete 200 lb example. | Vestil SHEET-200 is a 200 lb working-capacity sheet handler with 5/16 in maximum penetration. | Do not compare sheet handlers and hoist lifters on capacity number alone. |
| Supplier proof package | RFQ advice was present but not tied to inspection and operating-control evidence. | HSE calls for risk assessment, safe operating procedures, training, inspection, and thorough examination; IMI manual warns air gap, thin plate, alloy, peel, contact area, and temperature change capacity. | Ask for load tables, operating limits, inspection routine, and representative proof testing before release. |
Public sources establish the market pattern and safety boundary. They do not prove any specific current listing is safe for your load.
| source | useful for | limit | status |
|---|---|---|---|
| NIST conversion factor | Converting 200 lb to 90.7 kg. | Does not validate lift safety or capacity rating. | Stable technical reference. |
| ASME B30.20 / ASME BTH-1 references | Framing below-the-hook lifting device and design controls. | BTH-1 does not replace B30.20; standards text may require licensed access. | ASME page reviewed 2026-06-09; BTH-1 2023 listed. |
| OSHA 29 CFR 1910.179(g)(5)(v) | Powered lifting-magnet crane circuit lockout and inductive-load discharge boundary. | General-industry crane rule; does not certify a specific magnet. | Official OSHA regulation reviewed 2026-06-09. |
| HSE magnetic lifting guidance | Operational hazards: SWL inputs, air gap, flexible loads, exclusion zones, and inspection. | UK guidance; adapt to local jurisdiction. | Official HSE guidance reviewed 2026-06-09. |
| Grainger / Industrial Magnetics / Vestil / Motion style pages | Showing public 200 lb product pattern diversity. | Availability, price, and specs can change after 2026-06-09. | Market-pattern evidence. |
| standard or guidance | what it controls | page boundary | source status |
|---|---|---|---|
| ASME BTH-1 2023 + ASME B30.20 | Design criteria plus marking, construction, installation, inspection, testing, maintenance, and operation of below-the-hook lifting devices. | A 200 lb candidate should be treated as a below-the-hook lifting device only when the supplier can state the rated-load basis and applicable device standard path. | Official ASME page reviewed 2026-06-09. |
| OSHA 29 CFR 1910.179(g)(5)(v) | Cranes using a lifting magnet need an enclosed magnet-circuit switch lockable open and a means to discharge the inductive load. | Relevant to powered/electromagnetic crane setups; not a blanket approval for permanent hand lifters. | Official OSHA regulation reviewed 2026-06-09. |
| HSE magnetic lifting devices guidance | Risk assessment, SWL inputs, power-loss precautions, training, exclusion zones, inspection, and thorough examination. | Use as high-quality operational guidance; local legal requirements may differ outside the UK. | Official HSE page reviewed 2026-06-09. |
| Manufacturer operating manual evidence | Air gap, thin material, alloy, peel, contact area, temperature, duty cycle, and pre-lift checks. | Manual examples are model-specific; require the manual for the exact candidate magnet. | Industrial Magnetics / Walker manual dated 04/24. |
| public example | evidence point | what it proves | not proven |
|---|---|---|---|
| Vestil ML-2 magnetic lifter | 200 lb flat steel capacity and 60 lb round steel capacity. | The same 200 lb model family can publish a round-stock capacity that is only 30% of flat capacity. | Does not prove all 200 lb lifters share the same derating. |
| Vestil SHEET-200 sheet handler | 200 lb working capacity and 5/16 in maximum penetration. | A 200 lb sheet-handling result can be about sheet control/positioning rather than a generic hoist lifter. | Does not prove suitability for vertical lifts, off-center picks, or all sheet gauges. |
| Grainger MAG-MATE manual/electromagnetic listings | Public distributor pages expose 200 lb max-load products across manual and powered categories. | The keyword lane contains different actuation and use-case classes. | Current price, availability, and final release suitability remain quote-time facts. |
| Motion / Industrial Magnetics transporter-style products | Public pages can describe 49 to 915 lb pull-force automation magnets. | Pull-force and pick-and-place automation language can enter adjacent search paths. | Pull force is not an SWL for overhead lifting without the correct device proof. |
| source | link | used for | review note |
|---|---|---|---|
| NIST SI units reference | Open source | Stable lb-to-kg conversion context for 200 lb = 90.7 kg. | Verified reachable 2026-06-09. |
| OSHA 29 CFR 1910.179 | Open source | Official wording for powered lifting-magnet crane circuit lockout and inductive-load discharge. | Verified reachable 2026-06-09. |
| ASME standards search for BTH-1 / B30.20 | Open source | Official entry point for current below-the-hook lifting-device standard pages. | Search page verified reachable 2026-06-09; use current edition before release. |
| HSE search for magnetic lifting devices | Open source | Official entry point for UK guidance on magnetic lifting hazards, SWL inputs, and inspection controls. | Search page verified reachable 2026-06-09; local jurisdiction may differ. |
| Vestil magnetic lifter public product pages | Open source | Market-pattern sample showing small-capacity magnetic lifter listings and product-class diversity. | Page reachable 2026-06-09; exact SKU values must be reconfirmed at quote time. |
Send the candidate listing, load photo, steel thickness, surface condition, and required duty cycle so the RFQ can compare SWL basis instead of headline pull force.
| item | status | why | action |
|---|---|---|---|
| Exact public price range | Partially known | Distributors and marketplaces change availability and channel pricing. | Use current quote screenshots and normalized landed-cost fields. |
| Safe working load basis | Unknown until vendor confirms | Many listings expose pull/rating language without full proof records. | Request SWL, breakaway method, test record, and manual. |
| Fit for painted or oily parts | Conditional | Air gap and contamination can sharply reduce holding force. | Test representative parts or move to mechanical fixturing. |
| Thin sheet behavior | Conditional | Sheet thickness and flex affect flux path and handling stability. | Use sheet-handler data or supplier engineering review. |
| pattern | user need | page response | boundary |
|---|---|---|---|
| Industrial lifting magnet listing | Can this lift a 200 lb steel part? | Run fit checker, then request proof pack. | Only valid for magnetic steel and rated lifting devices. |
| Retrieval/fishing magnet listing | Find a strong cheap magnet. | Reject for lifting until proven as a below-the-hook device. | Pull force is not SWL. |
| Sheet handler or transfer magnet | Move thin sheet or blanks. | Treat as conditional and verify handling orientation. | May not be a hoist lifter. |
| Generic supplier page | Compare capacity options. | Link to adjacent 100 kg, 1000 lb, and PML pages. | Avoid duplicating broad category content. |
A 200 lb magnet is not always the final answer. Compare adjacent options by actual load condition, not keyword wording alone.
| option | best for | strength | tradeoff |
|---|---|---|---|
| 200 lb industrial permanent lifting magnet | Small steel blocks, fixtures, and clean flat parts. | No battery, compact, fast handling. | Narrow material and contact-condition window. |
| 100 kg / 220 lb class lifter | Metric supplier catalogs and slight capacity buffer. | Common industrial catalog lane. | Still needs geometry derating and proof pack. |
| Manual sheet handler | Thin sheets and horizontal transfer. | Designed around sheet workflows. | May not be rated for hoist lifting. |
| Mechanical clamp or fixture | Painted, rusty, non-flat, or non-ferrous parts. | Less dependent on magnetic contact quality. | More setup time and possible surface marking. |
| Higher-rated custom lifter | Uncertain loads, mixed geometry, or production release. | Can include engineered margin and documentation. | Higher cost and longer lead time. |
The highest risk is not that the magnet is small. It is that a small headline rating can hide product-class mismatch and poor contact conditions.
| risk | severity | mitigation |
|---|---|---|
| Using pull force as rated lifting capacity | High | Require SWL/rated-load basis and reject retrieval magnets. |
| Air gap from paint, rust, oil, or scale | High | Clean contact area or derate/test with representative parts; do not assume a catalog flat-steel rating survives an air gap. |
| Thin sheet flex or peel | High | Use sheet-specific handler data, multiple magnets if required, and avoid edge peel or off-center picks. |
| Unknown steel chemistry | Medium | Confirm ferromagnetic material before selecting a magnet. |
| Cheap listing with missing proof | Medium | Treat as non-release-ready until documentation is supplied. |
| rfq field | ask for | reject if |
|---|---|---|
| Rated-load basis | SWL or rated lifting capacity for the exact model, plus flat/round/thin-material tables when applicable. | Supplier only provides pull force or ecommerce headline capacity. |
| Representative load condition | Steel grade, thickness, contact area, shape, surface finish, temperature, orientation, and duty cycle assumptions. | Supplier response assumes clean flat low-carbon steel when your load is painted, rusty, thin, round, hot, or flexible. |
| Proof and traceability | Manual, proof-test or breakaway method, serial/test record when available, and inspection criteria. | No manual, no test basis, or no model-specific derating statement is supplied. |
| Operating controls | Release-control method, pre-lift check, exclusion-zone practice, warning devices where powered, and emergency response plan. | The candidate cannot support your site lift plan or local regulatory obligations. |
Use these examples to decide whether to keep, condition, or reject a 200 lb magnet shortlist before RFQ.
| scenario | assumptions | result | next step |
|---|---|---|---|
| 150 lb machined block | Clean flat steel, 0.5 in thick, industrial lifter, basic manual. | Likely shortlist fit. | Request test basis and operating manual. |
| 120 lb painted sheet | Thin painted sheet, possible flex, sheet-handler ambiguity. | Conditional. | Ask for sheet penetration/thickness limits, orientation, and representative proof testing. |
| 180 lb round bar | Round stock, limited contact area, standard 200 lb headline. | Reject or escalate. | Use a V-block fixture or higher-rated round-stock lifter. |
| 200 lb fishing magnet found online | Pull-force listing with no below-the-hook proof. | Reject for lifting. | Filter to industrial lifting devices only. |
No. Pull force and safe working load are not interchangeable. Use only a rated lifting device with proof for the actual load condition.
200 lb is about 90.7 kg using the standard conversion factor 1 lb = 0.45359237 kg.
It makes utilization visible and avoids teaching users to run a small magnet at its headline limit before proof and derating are checked.
Only with explicit vendor data for round stock or a designed fixture. One public Vestil 200 lb flat lifter lists 60 lb round capacity, so round material should be treated as a separate rating rather than a small adjustment.
Yes. HSE and manufacturer guidance both treat air gap and surface condition as decision inputs. Paint, rust, scale, oil, and debris can reduce holding force even when load weight is below the headline rating.
They are adjacent. 100 kg is about 220 lb, so it can be a useful metric comparator but still needs proof and geometry checks.
Ask for the manual, rated-load/SWL basis, breakaway or proof-test method, inspection guidance, geometry limits, and serial/test traceability when available.
Powered crane magnet systems add electrical-control duties. OSHA 29 CFR 1910.179(g)(5)(v) requires an enclosed magnet-circuit switch lockable open and a way to discharge the inductive load. That does not apply the same way to a manual permanent magnet, but it matters when a 200 lb result is an electromagnetic device.
Use the exact manufacturer manual and local rules. HSE guidance says users should follow supplier inspection schedules and notes that lifting accessories are normally subject to thorough examination at least every 6 months, unless an examination scheme sets a different period.
Not automatically. HSE notes that thin or flexible loads may need several magnetic lifting devices to prevent peeling or sagging. A sheet handler with a 200 lb working capacity is also not automatically equivalent to a hoist-rated 200 lb lifter.
There is no reliable public, stable price or availability dataset for all 200 lb lifting magnets. Treat price, inventory, and model-level proof as quote-time facts that must be confirmed with current supplier documents.
No. The page is a procurement screening aid. Final release must follow your site controls, applicable standards, and qualified review.
Because the search result set can mix them into the same keyword lane. Calling them out prevents false shortlist matches.
Use a clamp or fixture for non-ferrous, painted, rusty, oily, non-flat, or unstable loads where magnetic contact cannot be controlled.
Send photos, dimensions, surface notes, duty cycle, and required proof fields to suppliers, then compare written responses.
Public pricing changes by channel and availability. A stale range can mislead; quote normalization is safer for procurement.
Include load weight, steel grade, thickness, surface condition, pickup orientation, duty cycle, expected inspection records, and whether the candidate is an industrial lifter or sheet handler.