Every Pi Tape® starts with steel engineered for precision, reliability, and longevity. Our steel options ensure your measuring tapes deliver consistent, accurate readings in even the most demanding industrial environments. Whether you’re in aerospace, oil & gas, or manufacturing, the right material matters.
Steel engineered for minimal thermal expansion and stretch. Ensure readings stay true under all conditions.
Our steels withstand decades of use. 1095 spring steel with a high-contrast blue finish for easy reading in any lighting.
Choose 716 stainless steel for corrosive environments.
Aerospace, defense, manufacturing, and oil & gas professionals rely on Pi Tape® for mission-critical measurements.
Ideal for applications where thermal stability and long-term accuracy are critical. Minimal maintenance, exceptional stretch resistance. Perfect for standard precision measurement applications.
Specialty stainless steel for outdoor or corrosive environments. Slightly softer but maintains excellent thermal properties. Ideal for oil & gas, pipeline, and marine applications.
1095 spring steel with a high-contrast blue finish. Enhances readability in low-light or reflective workspaces. Best for inspection and fieldwork.
Pi Tape® steels expand less than competing tapes, ensuring accurate measurements across temperature variations.
Physical Properties of Steel – Pi Tape® Texas, LLC | 1095 Spring Steel | 716 Stainless Steel |
|---|---|---|
Coefficient of Expansion per inch per degree F. | .0000065 | .0000062 |
Elongation % in inches | 7-10% | 7-12% |
Hardness | 51 RC | 49-53 RC |
Tensile Strength PSI | 259,600 | 248,000-277,000 |
Yield Strength PSI | 235,690 | 210,000 |
The Relevant Criteria Regarding Thermal Qualities of Steel (Comparing coefficient of thermal expansion) | Our spring steel: | Other materials on the market: | |
|---|---|---|---|
.0000065” | .0000092” | Difference | |
24” with 5ºf temp variable | .0007” | .0011” | .0004” |
24” with 20ºf temp variable | .0030” | .0044” | .0014” |
48” with 5ºf temp variable | .0015” | .0022” | .0007” |
48” with 20ºf temp variable | .0060” | .0088” | .0028” |
Across aerospace, energy, manufacturing, and defense, Pi Tape® provides the accuracy and durability required for operations where quality and compliance are non-negotiable.
Whether you need standard precision measuring tapes or custom solutions for unique applications, our team is ready to help you find the perfect measurement tool.
Phone: (903) 266-9204 | Toll Free: (866) 474-8273
