ASTM A732 mechanical tests of cast low alloy steel specification covers carbon and low-alloy steel and cobalt alloy castings made by the investment casting process. Fifteen grades of steel and two cobalt alloy grades are covered within ASTM A732. ASTM A732 specifies that steel castings shall be heat treated either by full annealing, normalizing, normalizing and tempering, or quenching and tempering to obtain the specified properties or other properties that have been agreed upon within each grade. The castings utilized by the ASTM A732 standard shall conform to the requirements for chemical composition specified.
The ASTM A732 standard references other standards for the testing methods used to determine the following mechanical properties of the test specimen; tensile strength, bending strength, impact strength, hardness, creep, creep rupture, and stress rupture. The following ASTM standards are referenced for mechanical testing to complement ASTM A732: ASTM A370 test methods and definitions for mechanical testing of steel products, ASTM E21 test methods for elevated temperature tension tests of metallic materials and ASTM E139 test methods for conducting creep, creep-rupture, and stress-rupture tests of metallic materials.
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Recommended Test Machine
Force range of 5 kN to 600 kN (1,125 lbf to 135,000 lbf)
Adjustable test space
The most popular choice for static tension and compression tests
These dual column testers are available in both tabletop and floor standing models
Force range of 300 kN to 2,000 kN (67,500 lbf to 450,000 lbf)
The best choice for performing static tension and/or compression applications when force capacities of 300 kN (67,000 lbf) or more are needed
Includes its own grips
Recommended Testing Accessories
Load ratings up to 250 kN (56,250 lbf)
Base lengths up to 1200 mm (48 in)
Various roller sizes available
Available in 3-point and 4-point configurations
Load ratings from 25 kN to 500 kN (5,625 lbf to 112,500 lbf)
Jaws move laterally in stationary position while grip body moves on adjustment
Works well with round or flat specimens
Load ratings from 100 kN to 500 kN (22,500 lbf to 112,500 lbf)
Best for higher force requirements
Measures displacement for axial tensile, compression, and cyclic testing
Gage lengths from 10 mm to 50 mm (0.5 in to 2.0 in)
Measuring ranges from 5% to 100% strain
Lightweight and self-supporting
