Home › Products › Cutting Dies › ASTM E8 Type 3 Cutting Die
ASTM E8 Type 3 Cutting Die – Subsize Tensile Specimen
Subsize Tensile Specimen · Tensile specimen — built to ASTM E8/E8M. Hardened steel or economical ribbon steel.
Brand: Universal Grip | Model: UGC-CDH-E8E8M-S / UGC-CDR-E8E8M-S | ● Made to order
Cuts the ASTM E8 Type 3 subsize Tensile Specimen profile: 6.0 × 32 mm narrow section, 100 mm overall length
Two styles: hardened steel for 0–5 mm, ribbon steel for 0–3 mm
Integral ejector (hardened) or foam pad (ribbon) pushes each specimen free
Fits manual, pneumatic and hydraulic sample-cutting presses
Free test cuts on your material before you order
Custom profiles, multi-cavity dies and nick/notch features on request
Downloads: Ribbon Steel Die Data Sheet (PDF)
Standards: ASTM E8/E8M · ISO 6892-1
Trusted by Global Companies
Precision cutting die for ASTM E8 Type 3 subsize Tensile Specimen specimens
This Universal Grip die cuts the subsize Tensile Specimen (tensile specimen) defined in ASTM E8/E8M: Standard Test Methods for Tension Testing of Metallic Materials. ASTM E8/E8M covers room-temperature tension testing of metals to determine strength and ductility. The subsize flat specimen with a 25 mm gauge is used when material is too small or thin for the standard sheet-type specimen.
We make it in two styles so the die suits the material you cut. The one-piece hardened steel die is machined from a single piece of steel and holds its edge on rigid & semi-rigid plastics, filled compounds, rubber, sheet & film from 0 to 5 mm thick. The ribbon steel (steel-rule) die uses a precision-bent hardened rule in a laser-cut plywood base with a foam ejection pad, an economical choice for rubber, elastomers, TPE, foams, soft plastics & films up to 3 mm. Both cut the same ASTM E8 Type 3 profile.
ASTM E8 Type 3 specimen dimensions
The die is cut to the nominal profile in ASTM E8/E8M: overall length (min) 100 mm, width of reduced section 6.0 ± 0.1 mm, length of reduced section (min) 32 mm, gauge length 25.0 ± 0.1 mm, width of grip section 10 mm, fillet radius (min) 6 mm and thickness ≤6 mm. Always check your current edition of the standard for tolerances and the test procedure.
Type 3 compared with other ASTM E8 dies
Type 3: 6.0 × 32 mm narrow section, 100 mm overall length (this die)
Where it is used
Typical uses for ASTM E8 Type 3 specimens include thin sheet & foil stock, small-part sampling, weld & coupon testing and medical & electronic metal strip.
Cutting specimens with the die
Put the die on an arbor press or a pneumatic press, set your sheet on a nylon cutting plate and press through in one stroke; the ejector pushes the specimen out ready to test. No press yet? An adapter lets the die run on your universal testing machine. Send us a sample of your material and we will make test cuts free of charge, so you can confirm the edge quality before you order. Hardened dies can be re-sharpened with our die sharpening tool.
ASTM E8 Type 3 Cutting Die Specifications
STANDARD
ASTM E8 Type 3
SPECIMEN
Subsize Tensile Specimen
SPECIMEN TYPE
Tensile specimen
OVERALL LENGTH (MIN)
100 mm
WIDTH OF REDUCED SECTION
6.0 ± 0.1 mm
LENGTH OF REDUCED SECTION (MIN)
32 mm
GAUGE LENGTH
25.0 ± 0.1 mm
WIDTH OF GRIP SECTION
10 mm
FILLET RADIUS (MIN)
6 mm
THICKNESS
≤6 mm
HARDENED STEEL DIE
One-piece machined steel, 0–5 mm material, integral ejector plate
RIBBON STEEL DIE
Steel rule in plywood base, 0–3 mm material, foam ejection pad
PRESS COMPATIBILITY
Manual, pneumatic & hydraulic sample-cutting presses
PART NUMBERS
UGC-CDH-E8E8M-S (hardened) · UGC-CDR-E8E8M-S (ribbon)
Models & Options
Hardened Steel Cutting Die — One-piece machined, hardened and precision-finished; rigid & semi-rigid plastics, filled compounds, rubber, sheet & film; 0–5 mm; integral ejector plate; re-sharpenable (UGC-CDH-E8E8M-S)
Ribbon Steel Cutting Die — Precision-bent hardened steel rule in a laser-cut plywood base with closed-cell foam ejection pad; rubber, elastomers, TPE, foams, soft plastics & films; 0–3 mm; economical, fast turnaround (UGC-CDR-E8E8M-S)
Press mounting — Matched to your press make and model, or an adapter for your universal testing machine (Specify at order)
Custom features — Custom profiles, multi-cavity dies and nick/notch features on request (Custom)
What's Included
ASTM E8 Type 3 cutting die in your chosen style (hardened or ribbon steel)
Specimen ejection: integral ejector plate (hardened) or foam ejection pad (ribbon)
Mounting to suit your press — tell us the make and model
Data sheet with the nominal profile dimensions
Supported Test Standards
ASTM E8/E8M — Standard Test Methods for Tension Testing of Metallic Materials
ISO 6892-1 — Related standard: tensile testing of metals at room temperature
Compatible Grips & Fixtures
Arbor press — Benchtop press for cutting subsize Tensile Specimen specimens with this die
Sample die press — Specimen-preparation presses and tools
Wedge grips — Self-tightening wedge grips for sheet and strip specimens
Punch press — Heavy presses for thicker aluminium and steel sheet
Die sharpening tool — Restore the cutting edge of a hardened steel die
Marking tool — Repeatable 25.0 mm gauge marks for video extensometers
Metals testing — Grips, fixtures and standards for metal tensile, bend and hardness tests
“Customer quote”
Related Equipment
ASTM E8 Type 2 Cutting Die
Sheet-Type Tensile Specimen · 12.5 × 57 mm narrow section
ASTM E345 Type A Cutting Die
Reduced-Section Foil Tensile Specimen · 12.5 × 60 mm narrow section
ASTM E345 Type B Cutting Die
Rectangular Strip · overall length (min) 230 mm, width 12.5 mm
DIN 50125 Cutting Die
Flat Tensile Specimen with Shoulder Heads (Form H 12.5 x 50) · 12.5 × 75 mm narrow section
ASTM E8 Type 3 Cutting Die FAQ
What is the ASTM E8/E8M test used for?
ASTM E8/E8M covers room-temperature tension testing of metals to determine strength and ductility. The subsize flat specimen with a 25 mm gauge is used when material is too small or thin for the standard sheet-type specimen.
What are the ASTM E8 Type 3 specimen dimensions?
The die cuts the nominal ASTM E8/E8M profile: overall length (min) 100 mm, width of reduced section 6.0 ± 0.1 mm, length of reduced section (min) 32 mm, gauge length 25.0 ± 0.1 mm, width of grip section 10 mm, fillet radius (min) 6 mm and thickness ≤6 mm. These values come from the standard; check your current edition for tolerances.
Hardened steel or ribbon steel: which ASTM E8 Type 3 die should I choose?
For metal foil, thin sheet and strip, choose the hardened steel die; the ribbon steel die is meant for soft materials such as rubber and film. For thicker aluminium or steel sheet, see our punch presses.
Which press do I need for the ASTM E8 Type 3 die?
The die fits manual, pneumatic and hydraulic sample-cutting presses. On our arbor press it mounts with a lateral screw, and an adapter lets it run on a universal testing machine. Tell us your press make and model and we will match the mounting.
How do I grip and measure ASTM E8 Type 3 specimens?
Hold the wide ends in wedge grips so the specimen is loaded straight along its axis. The gauge length is 25.0 ± 0.1 mm; our marking tool applies repeatable gauge marks for video extensometers.
Which other ASTM E8 dies do you make?
We also make cutting dies for Type 2, each in hardened and ribbon steel.
Can you make test cuts on my material?
Yes. Send us a sample of your sheet and we will make test cuts free of charge, so you can see the edge quality and confirm the right die style before you order.
Can you make a custom or multi-cavity ASTM E8 Type 3 die?
Yes. We make custom profiles, multi-cavity dies and nick or notch features on request. Send the drawing or standard, your material and thickness, and your press model.