Magnetic Particle Testing in Findlay
Surface and near-surface crack detection on ferromagnetic materials via magnetic flux leakage.
Findlay-based refining majors push fleet-wide audit demands to every contractor at every site — local NDT shops carry corporate-grade documentation overhead.
How Magnetic Particle Testing works
The test piece is magnetised by yoke, prod or coil. Discontinuities disturb the magnetic flux; visible or fluorescent ferromagnetic particles applied to the surface concentrate at the leakage field, outlining the defect.
MT in Findlay
Magnetic Particle Testing in Findlay is most often pulled into scope when refining hq (marathon petroleum) or pipelines operators need API 510 / 570 / 653-grade evidence that an asset is fit for continued service. The recurring sites — Marathon Petroleum Corporation HQ and Marathon Pipe Line LLC (Findlay) — write MT into pre-job inspection plans because surface and near-surface crack detection on ferromagnetic materials via magnetic flux leakage. Local contractors mobilise calibrated equipment, current ASNT Level II / III credentials, and procedure packages tied to ASTM E709 and ASTM E1444.
Quick facts
- Method: MT — Magnetic Particle Testing
- Service area: Findlay, OH
- Primary industries: Refining HQ (Marathon Petroleum), Pipelines
- Key standards: ASTM E709, ASTM E1444
Where MT shows up on Findlay jobs
Industry relevance
Refining HQ (Marathon Petroleum) and Pipelines operators in Findlay pull MT into routine and turnaround scopes. The named recurring sites include Marathon Petroleum Corporation HQ and Marathon Pipe Line LLC (Findlay).
Acceptance criteria are written against API 510 / 570 / 653 and ratified at Level III sign-off for procedure qualification.
Compliance and safety
Magnetic Particle Testing inspections in Findlay reference ASTM E709, ASTM E1444, ASME Section V. Site-specific qualification matrices add operator-specific requirements on top.
Working with NDT Connect-listed providers ensures Level II/III currency, instrument-level calibration traceability, and digital record packages that survive audit retention demands.
Named Findlay facilities served
Magnetic Particle Testing scopes in Findlay recur at the following operators and sites. Local contractors are pre-qualified at most of these gates.
Marathon Petroleum Corporation HQ
Refining HQ — MT scope routine
Marathon Pipe Line LLC (Findlay)
Pipeline operator — MT scope routine
Applicable standards and codes
Magnetic Particle Testing inspections in Findlay are written and accepted against:
ASTM E709
ASTM E1444
ASME Section V
ISO 9934
AWS D1.1
Local code authorities
Why MT is chosen
Rapid surface coverage with minimal preparation
Effective through thin non-conductive coatings
Low equipment cost relative to other methods
Typical applications
- •Structural weld inspection per AWS D1.1
- •Forging and casting surface examination
- •In-service fatigue-crack detection on rotating equipment
- •Drill-pipe and tubular surface inspection
Findlay, OH hosts a lean NDT contractor ecosystem built around refining hq (marathon petroleum) and pipelines. Marathon Petroleum (HQ), Marathon Pipe Line, and the wider great lakes operator pool route MT scope through pre-qualified providers — losing a Level II credential here costs real money on outage windows.
Refining HQ (Marathon Petroleum) is a core industrial driver of NDT demand in Findlay.. That industrial substrate is what places Findlay, OH on the short list for MT programme contracts: creep damage cadence, API 510 / 570 / 653 oversight, and the Refining HQ footprint at Marathon Petroleum Corporation HQ all push the MT day-rate above generic regional benchmarks.
Spring TARs (Apr-May) brings the seasonal peak — expect crew rotation to tighten and spot-buy premiums to land at the upper bound of the published rate band. Pipeline-operator HQ presence concentrates integrity engineering here
API 510 / 570 / 653 sets the documentary depth MT reports must reach in Findlay, OH — and PHMSA layers a second audit trail on top. The method-level reference is BPVC Sec V Art. 7; industry-side, API 579-1 / ASME FFS-1 is the standard that owners cite in the bid pack. Procedures must demonstrate currency on both before the crew is cleared at gates like Marathon Petroleum (HQ).
- API 510 / 570 / 653
- PHMSA
- BPVC Sec V Art. 7
- BPVC Sec VIII Div 1 Appx 6
- B31.3 para 344.3
- API 579-1 / ASME FFS-1
A typical MT bid in Findlay, OH lands at $513/day for Level II work and roughly $900/day for Level III sign-off authority. Mobilisation surcharge runs low (band-L), with COL index 88 feeding the labour line. Marathon Petroleum (HQ) programme contracts trade volume against rate; spot-buys pay the 10–20% premium. The full multiplier resolves at ×0.90 once transport and demand-density are layered in.
| Line item | Rate | Detail |
|---|---|---|
| Hourly labour (Level II) | $52–$77/hr | standard programme rate |
| Hourly labour (Level III) | $113/hr | procedure qualification + disposition |
| Day rate (Level II) | $513/day | 8 hours, ≤30 km from base |
| Equipment surcharge | $252/day | instrument + consumables |
| Mobilisation | $325/trip | low transport-surcharge band |
| Outage / night-shift uplift | +25–40% | turnaround windows and weekend work |
Effective multiplier vs national base: ×0.90 · transport surcharge band: low.
The Findlay, OH MT contractor base is sized to recurring demand from Marathon Petroleum (HQ), Marathon Pipe Line, Cooper Tire & Rubber (HQ). Provider listings on NDT Connect include current ASNT certification level, instrument calibration status, and named-site experience — replacing the email-and-spreadsheet pre-qualification dance most procurement teams still run for new vendors.
Major regional clients served
- Marathon Petroleum (HQ)
- Marathon Pipe Line
- Cooper Tire & Rubber (HQ)
- Whirlpool (regional)
- Ball Corporation
For the refining hq (marathon petroleum) operators that dominate the Findlay, OH industrial base, MT is the workhorse for forging and casting surface flaw detection. Refining HQ (Marathon Petroleum) is a core industrial driver of NDT demand in Findlay. means the scope is dense, repeatable, and tightly specified — with reactor vessel populations driving the recurring volume.
Local crews run MT packages calibrated for creep cavitation in heater tubes, deliver MT report w/ part marking, and close the disposition against API 510 / 570 / 653. Bypass spool fitness-for-service review accounts for the bulk of billable hours; creep damage cycles drive the seasonal peaks. BPVC Sec V Art. 7 sign-off authority is the contractor capability that consistently wins the bid here.
Marathon's fleet-audit demands push corporate-grade documentation onto local NDT shops. Marathon Petroleum (HQ) pre-qualifications are the gatekeeper — crews who already hold them win the volume work; new entrants run the onboarding gauntlet first. Pipeline-operator HQ presence concentrates integrity engineering here
Inspectors qualifying into the Findlay, OH MT market route through ASNT Great Lakes Section for ASNT Level II/III certification under SNT-TC-1A or CP-189. Total Level II training time for MT runs roughly 280 hours including classroom and on-the-job experience. Welding-related credentials route through AWS Great Lakes Section for AWS CWI exam access; the city hosts an API exam centre for 510/570/653 testing. Prerequisite per ASNT: vision: near 20/30, color (ishihara) for visible particles.
- ASNT chapter: ASNT Great Lakes Section
- AWS section: AWS Great Lakes Section
- API exam centre: hosted locally
How much does MT cost in Findlay, OH?
MT (Magnetic Particle Testing) day-rates in Findlay, OH typically clear at $513/day for Level II crews, with the pricing multiplier on the national base running ×0.90 (transport surcharge band: low). Local Level II inspector wages average $64,000/year per BLS, which anchors that day-rate band. Always solicit at least three parallel quotes before committing programme spend.
Which Findlay, OH sites use MT most often?
Marathon Petroleum (HQ) and Marathon Pipe Line are the high-volume MT buyers in Findlay, OH. The refining hq footprint at Marathon Petroleum Corporation HQ is a recurring MT mobilisation point. Pre-qualification at these gates is what unlocks the volume contracts.
What credentials do MT inspectors need to work in Findlay, OH?
Working MT scope in Findlay, OH requires ASNT Level II for the method (roughly 280 total training hours to qualify), plus ASNT Great Lakes Section membership is common. AWS CWI is required for welding-related scope; API 510/570/653 tickets unlock pressure-equipment work. An API exam centre is hosted in Findlay, OH itself.
What refining hq (marathon petroleum) failure modes does MT screen for in Findlay, OH?
On refining hq (marathon petroleum) jobs in Findlay, OH, MT is most often called for coker-drum bulging screening. Recurring scope on creep damage cycles drives the volume. The technique sits inside API 510 / 570 / 653's acceptance framework, and local crews build inspection plans around the failure modes the refining hq (marathon petroleum) owners audit hardest.
How fast can a MT crew mobilise in Findlay, OH?
Routine MT scope in Findlay, OH typically picks up a certified crew within 24–72 hours of posting a request — the established contractor base around Marathon Petroleum (HQ) keeps mobilisation lead times short. Outage windows and turnaround support are negotiated against rotation; post the scope to NDT Connect to receive parallel quotes from providers already pre-qualified at Findlay, OH sites.
What standards govern MT acceptance in Findlay, OH?
MT examinations in Findlay, OH reference BPVC Sec V Art. 7 / BPVC Sec VIII Div 1 Appx 6 as the technical floor and API 510 / 570 / 653, PHMSA for documentary compliance. Marathon Petroleum (HQ)'s qualification matrix layers an additional customer-specific spec on top — procedures must close on all three before the crew is cleared at the gate.
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Get a free quote todayOther NDT methods in Findlay
Ultrasonic Testing
UT
High-frequency sound-wave inspection for wall thickness, weld integrity and internal flaw detection.
Radiographic Testing
RT
Ionising-radiation imaging (X-ray or gamma) of internal weld structure on film or digital detector.
Liquid Penetrant Testing
PT
Capillary-action surface flaw detection on any non-porous material using dye or fluorescent penetrant.
Visual Testing
VT
Code-required direct or remote visual examination of as-fabricated and in-service surfaces.
Magnetic Particle Testing in nearby cities
Verified Findlay, OH Inspection-Market Data
Hard numbers from BLS, EIA, AAPA, Census & API directories — anchoring this page to Findlay, OH's actual NDT market, not a generic template.
- Local Wage Anchor — Level I NDT Technician
- $45K/yr typical for Findlay, OH
- Metro Industrial Base
- 76K people in Findlay, OH
- Sector Mix (NDT Demand Drivers)
- Refining HQ (Marathon Petroleum) (45%) · Pipelines (32%) · Distribution (23%)
- ASNT Chapter / Community
- ASNT Great Lakes Section
- Cost-of-Living Impact on Rate Cards
- COL index 88.0 (12.0 pts below national avg) · transport surcharge band: low
Source: BLS OES May 2024 metro tables (NDT inspector proxy occupations)
Source: US Census ACS 2023
Source: BEA Regional Accounts 2023
Source: ASNT chapter directory
Source: C2ER ACCRA COL Index 2024
Continue Reading — In-Depth Guides
Authored by ASNT Level III inspectors. Real procedures, real numbers, real codes.
- Magnetic Particle Testing — Complete GuideAC/DC field, wet/dry methods, ASTM E709, yoke.
- NDT Inspection Cost Index [2026]US inspection rates by method & region, and what moves the price.
- Ultrasonic Testing — Complete GuidePhysics, calibration, codes, equipment, applications.
- Radiographic Testing — Complete GuideSources, exposure, IQIs, ASME V, digital RT.
- Penetrant Testing — Complete GuideVisible vs fluorescent, ASTM E165, dwell times.
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