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Our Customers Say:

“Thank you for allowing me to visit your facility and witness a micrometer calibration first-hand, it helped me understand the concept so much better. It is clear that LTI is a wonderful group of people to work with and they operate in a true team environment. Your staff has gone over and above the call of duty to help Superior Tube. We truly appreciate your help.”

Deb Rosenberry,
Superior Tube Inc.


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Mechanical Testing

Don’t Just Say It’s Strong: Let Us Prove It

Mechanical testing hardness

Mechanical testing provides information about the suitability of a material for its intended application to help companies design reliable products that will perform as expected. Mechanical testing services measure materials under various temperature, tension, compression and load conditions to determine:

  • Strength
  • Hardness
  • Ductility
  • Impact resistance
  • Fracture toughness
  • Elongation
  • Stress

Laboratory Testing Inc. has a full-service mechanical testing laboratory that routinely performs tensile testing, charpy impact testing, hardness testing, fracture toughness and fatigue testing, stress rupture testing, creep testing and more. These mechanical tests provide customers with important information about the mechanical properties and characteristics of their materials. Our combination of highly experienced technicians, competitive pricing and fast turnaround time provides an ideal solution for your testing needs.

Mechanical Test Ranges

  • Elevated temperature tensile testingTensile testing of metal parts and specimens in all sizes, from the smallest fasteners to huge tubing and bolts on our 600,000 lb. capacity machines. A 10,000 lb. capacity tensile machine provides plastics testing
  • Elevated temperature tensile testing using a furnace carousel to process up to three samples at once. Samples can be heated to 1800°F
  • Stress rupture and creep testing comply with ASTM standards and can be performed at temperatures up to 2000°F
  • Fracture toughness and fatigue testing with equipment that can generate up to 55,000 lbs. of tensile or compressive force and controls the test temperature between -250°F and +400°F
  • Rockwell, Brinell & Superficial hardness testing is available for metals, while a Shore Durometer hardness tester provides plastics testing
  • Charpy impact testing is performed from -452°F to 500°F

Test Specimens for Mechanical Testing

For convenience and quick turnaround, LTI’s full-service Machine Shop is fully staffed on two work shifts to prepare specimens from metals and many plastics for all types of mechanical testing. Test specimens are machined according to ASTM standards A370, E8, E23 and customer specifications, and LTI is PRI/Nadcap accredited for specimen preparation. LTI is also on NIST’s (National Institute of Standards and Technology) Qualified Manufacturers List for Charpy V-notch Impact verification specimens. Heat treating capabilities are also provided.

Extensive List of Mechanical Testing Services

LTI is equipped to perform a wide range of mechanical testing services to help you verify the mechanical properties of your materials. Tensile and hardness testing are available for polymers, while all of the following tests are offered for metals:

  • Bend
  • Hydrogen Embrittlement / Stress Durability
  • Physical Properties
    • Conductivity
    • Magnetic Permeability
  • Hardness Testing
    • Rockwell
    • Brinell
    • Superficial Rockwell
    • Shore Durometer
  • Stress Rupture
  • Creep Testing
  • Fracture Toughness
  • Fatigue Testing
    • Fatigue Crack Growth
    • High Cycle Fatigue Testing
  • Impact Testing
    • Drop Weight
    • Charpy V-Notch Impact
  • Tensile Testing
    • Machined Specimens
    • Full-size Re-bar & Tubing
    • Elevated Temperature
  • Compression Testing per ASTM E9
  • Proof Load
  • Welder & Procedure Qualifications (per MIL & API specifications, ASME & AWS codes, ASTM & EN standards and the Pressure Equipment Directive)

LTI also provides mechanical testing for tubing, fasteners and washers:

Tube Testing

  • Flaring/Expansion
  • Flattening
  • Tensile Testing (full-size tubing)

Fastener Testing

  • Yield Strength
  • Axial & Wedge Tensile
  • Proof Load
  • Cone Strip Test
  • Double Shear
  • Flattening
  • Hardness Testing
  • Magnetic Permeability
  • Hydrogen Embrittlement / Stress Durability
  • Rotation Capacity Test

Washer Testing

  • Free Height Test
  • Compression
  • Interlocking Test
  • Twist Test for Locking Washers

News & Articles

“Machining Specimens for Destructive Testing”
“LTI and Peak Beam Make the World Safer”
“Proof-load Testing the Largest Samples So Far”