ASTM D638M
* This test method can be used for testing materials of any thickness up to 10mm.
Test Specimens
< TYPE M-Ⅰ, M-Ⅲ >
< TYPE M-Ⅱ >
* Specimen Dimension or Thickness. T[mm]
| Dimensions(see drawing) | 10 or under | 4 or under | Tolerance | |
|---|---|---|---|---|
| Type MⅠ | Type MⅡ | Type MⅢ | ||
| W-Width of narrow section | 10 | 6 | 2.5 | ±0.51 |
| L-Length of narrow section | 60 | 33 | 10 | ±0.5 |
| W0-Width of overall, min | 20 | 25 | 10 | ±0.5 |
| L0-Length overall, m20in | 150 | 115 | 60 | no max |
| G-Gage Length | 50 | - | 7.5 | ±0.25 |
| G-Gage Length | - | 25 | - | ±0.5 |
| D-Distance between grips | 115 | 80 | 25 | ±5 |
| R-Radius of fillet | 60 | 14 | 15 | ±1 |
| R0-Outer Radius(Type Ⅱ) | - | 25 | - | ±1 |
Calculation
* Tensile Strength
* Tensile Chord Modulus of Elasticity
