CREEP TESTING MACHINES

Brochure
At STEP Lab, we manufacture electromechanical creep testing machines with up to 5 individually controllable axes. This system is optimal for evaluating a wide range of static tests such as creep, stress relaxation, tensile, and many others. Creep machines can analyze various specimens and materials under different temperature conditions, with the option of integrating a climatic chamber.
Features

Max. Test load: 50 kN
Load axes: Up to 5
Tests up to 10,000 h

Type of test

Creep
Stress Relax
Tensile
Compression

Standards

ISO 527
ISO 899
ASTM D638
ASTM D2990

creep testing machine
creep testing machine

CREEP TESTING MACHINES

Brochure
At STEP Lab, we manufacture electromechanical creep testing machines with up to 5 individually controllable axes. This system is optimal for evaluating a wide range of static tests such as creep, stress relaxation, tensile, and many others. Creep machines can analyze various specimens and materials under different temperature conditions, with the option of integrating a climatic chamber.
Features

Max. Test load: 50 kN
Load axes: Up to 5
Tests up to 10,000 h

Type of test

Creep
Stress Relax
Tensile
Compression

Standards

ISO 527
ISO 899
ASTM D638
ASTM D2990

CREEP TEST SYSTEM

The creep testing machine is electromechanical, featuring up to 5 individually controlled load axes. The independent workstations make it ideal for diverse simultaneous testing tasks. One of the main advantages of the system is its flexibility, as it can conduct various tests on a wide range of specimens and materials. It can operate at ambient temperature, as well as under low and elevated temperatures with the addition of a climatic chamber.

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  • Test types up to 10,000 hours
  • Up to 5 independently controlled load axes in one frame
  • Steplessly adjustable force range of 20 N to 50 kN
  • Temperature range of -40 °C to +250 °C
  • User friendly test management via a graphical Test Center interface
  • Central lead screw drive and precision guidance via two steel columns
  • Long stroke of 200 mm per load string
  • View window on the front
  • Interior illumination of temperature chamber for observing test progress
  • Wide variety of grips, dedicated test accessories, and load cells
  • Integration with extensometers and climatic chambers
  • Possibility of installation on any type of structure
  • Control station in separate and independent position
  • Creep tests with constant load (tensile, flexure and compression tests)
  • Creep rupture tests
  • Stress rupture tests
  • Stress relaxation tests with constant elongation
  • Force and strain controlled tests (closed loop) with force, strain and temperature sequences
  • Tests with flexible loads
  • Quasi-static tests
  • ISO 899: Plastics – Determination of creep behaviour
  • ASTM D2990: Standard Test Methods for Tensile, Compressive, and Flexural Creep and Creep-Rupture of Plastics
  • ISO 3384-1: Rubber, vulcanized or thermoplastic – Determination of stress relaxation in compression
  • ISO 16770: Plastics – Determination of environmental stress cracking (ESC) of polyethylene
  • ISO 527: Plastics – Determination of tensile properties
  • ASTM D638: Standard Test Method for Tensile Properties of Plastics
Electromechanical actuators

FEATURES

Simple installation

No maintenance

High reliability

High efficiency

Wide range of use

CERTIFIED STANDARDS

TESTAPPLICATIONSTANDARDDESCRIPTION
StaticPlasticsASTM D638Tensile properties of plastics
StaticPlasticsISO 527-1Plastics-Determination of tensile properties
StaticPlasticsISO 527-2Plastics-Determination of tensile properties
StaticMetalsASTM E21High temperature tensile testing of metallic materials
StaticMetalsASTM E290Material bending test for ductility
StaticMetalsASTM E517Plastic deformation ratio r for sheet metal
StaticMetalsASTM E646Tensile hardening exponents (n values) of sheet metal materials
StaticMetalsASTM E8MTensile testing of metallic materials
StaticMetalsASTM E9Compression testing of metallic materials at room temperature
StaticMetalsEN 10002-1:2001 (replaced by ISO EN 6892-1:2019)Tensile testing of metallic materials. Test method at room temperature
StaticMetalsISO 6892-1Metallic materials – Tensile testing Part 1: Test method at room temperature
StaticMetalsISO 7438Metallic materials. Proof of folding.
StaticMetalsISO 783Metallic materials – Tensile test of steel at elevated temperature
Static / FatigueBikeEN 15194Electrically assisted pedal cycles – EPAC Bicycles – test methods
Static / FatigueBikeISO 4210-3Safety requirements for bicycles – Part 3: Common test methods
Static / FatigueBikeISO 4210-4Safety requirements for bicycles – Part 4: Braking test methods
Static / FatigueBikeISO 4210-5Safety requirements for bicycles – Part 5: Steering test methods
Static / FatigueBikeISO 4210-6Safety requirements for bicycles – Part 6: Frame and fork test methods
Static / FatigueBikeISO 4210-7Safety requirements for bicycles – Part 7: Test methods for wheels and rims
Static / FatigueBikeISO 4210-8Safety requirements for bicycles – Part 8: Pedal and transmission system test methods
Static / FatigueBikeISO 4210-9Safety requirements for bicycles – Part 9: Test methods for saddles and seatposts
Static / FatigueBiomedicalASTM F1264Standard specifications and test methods for intramedullary fixation devices
Static / FatigueBiomedicalASTM F1717Standard test methods for spinal implant structures in a vertebrectomy model
Static / FatigueBiomedicalASTM F1798Standard test method for evaluating the static and fatigue properties of interconnecting mechanisms and subassemblies used in spinal arthrodesis implants
Static / FatigueBiomedicalASTM F1800Standard practice for cyclic fatigue testing of tibial plateau metal components of total knee joint replacements
Static / FatigueBiomedicalASTM F2068Standard specifications for femoral prostheses – metallic implants
Static / FatigueBiomedicalASTM F2077Test methods for intervertebral body fusion devices.
Static / FatigueBiomedicalASTM F2193Standard specifications and test methods for components used in surgical fixation of the spinal skeletal system
Static / FatigueBiomedicalASTM F2502Standard specifications and test methods for resorbable plates and screws for internal fixation implants
Static / FatigueBiomedicalASTM F2580Standard practice for evaluating the modular connection of a proximally fixed femoral hip prosthesis
Static / FatigueBiomedicalASTM F2706Standard test methods for occipito-cervical and occipito-cervical-thoracic spinal implant constructions in a vertebrectomy model
Static / FatigueBiomedicalASTM F382Standard specification and test method for metal bone plates
Static / FatigueBiomedicalASTM F384Standard specifications and test methods for angled metal devices for orthopedic fracture fixation
Static / FatigueBiomedicalASTM F543Standard specifications and test methods for metallic medical bone screws
Static / FatigueBiomedicalEN 843-1Mechanical properties of monolithic ceramics at room temperature – Determination of flexural strength
Static / FatigueBiomedicalISO 11405Dental structure adhesion testing
Static / FatigueBiomedicalISO 12189-8Mechanical testing of implantable spinal devices – Fatigue test method for spinal implant assemblies using anterior support
Static / FatigueBiomedicalISO 14801Dentistry – Implants – Dynamic load testing for endosseous dental implants
Static / FatigueBiomedicalISO 14879-1Total knee joint replacement Determination of strength properties of tibial knee trays
Static / FatigueBiomedicalISO 6872Dentistry – Ceramic Materials
Static / FatigueBiomedicalISO 7206Surgical implants – Partial and total hip joint replacements
Static / FatigueBiomedicalISO 9585Surgical implants – Determination of flexural strength and stiffness of bone plates
StaticRubberISO 2439Determination of hardness (indentation technique)
StaticRubberISO 3386Determination of compressive stress-strain characteristics

FREQUENTLY ASKED QUESTIONS

A creep test applies a constant load to a material over a prolonged period (ranging from hours to months) and measures the slow deformation that occurs over time, even without an increase in load. It is used for materials subjected to long-term static loads in service, such as pressurised pipes, high-temperature structures, or components that cannot afford to undergo gradual deformation over time.

A material may have excellent initial static strength, but may deform slowly and continuously under a constant load, leading to functional or catastrophic failure after months or years of service. Without creep testing, designers would be unable to predict this long-term degradation and would design structures incorrectly, risking unexpected failures.

A creep test can last from a few hours to several months, with short-term tests typically lasting up to around 10,000 hours, whilst long-term tests exceed this threshold. Accelerated tests for materials such as plastics and composites last 100–1,000 hours, whilst critical tests for pipework and pressurised structures can last 10,000 hours or more.

A creep testing machine can be configured with between one and five independently controlled axes and is designed to maintain constant loads over long periods, with high-resolution sensors that record very slow deformations over the course of hours or days. A standard static testing machine is optimised for high-speed testing; specialised equipment would be required for long-term creep testing.

STEP Lab creep testing machines are compatible with configurations ranging from one to five independently controlled axes, allowing multiple specimens to be tested simultaneously under identical or different loads up to a maximum of 50 kN.

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