9.5165.02.0
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Interactive 3D model of ASTM D638 Tensile Test Specimen

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ASTM D638 Tensile Test Specimen

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Bounding box
165.0 × 9.5 × 2.0 mm
Engine
Precision B-rep
Parameters
6
Published
November 2, 2026

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The prompt

3D CAD model of an ASTM D638 tensile test specimen centered at the origin on the XY plane and extruded in Z. Overall length 165 mm (X), overall width 9.53 mm (Y), narrow section 9.53 mm long x 3.18 mm wide, R12.7 transition arcs, 2 mm thick, symmetric about both X and Y centerlines.

Parameters

NameValueRange
Overall length (X)165 mm100 – 250
Overall / grip width (Y)9.53 mm9 – 19
Narrow section length (X)9.53 mm5 – 30
Narrow section width (Y)3.18 mm1 – 8
Transition arc radius12.7 mm10 – 40
Thickness (Z)2 mm0.5 – 10

Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.

ASTM D638 Tensile Test Specimen - Free CAD Model (STEP, STL) | TextoCAD