TS150 - Tempil 150F Temp Stick Indicator

Precision Pre-Heat Control for Code-Quality Welds

In the world of professional welding, temperature control is not just a suggestion—it is often a code requirement. The Tempilstik 150°F (66°C) is an essential tool for welders who need to ensure their base material has reached the proper pre-heat temperature before striking an arc. Pre-heating is vital for driving off surface moisture to prevent hydrogen-induced cracking and for reducing the cooling rate of the weld pool to prevent brittle microstructures. The 150°F mark is a standard pre-heat requirement for many thicknesses of mild steel and specific low-alloy applications.

The Tempilstik takes the guesswork out of thermal management. While infrared guns can be thrown off by the emissivity of shiny metals or the reflection of the arc, the Tempilstik works on direct surface contact. Simply stroke the workpiece during heating; when the chalky mark melts into a glossy liquid, you know you have hit exactly 150°F. This phase change is instantaneous and unmistakable, allowing you to focus on your weld rather than fiddling with complex gauges.

Designed for the rigors of the shop and the field, the TS150 features a high-density construction that lasts longer than cheap imitations. It is formulated to meet the strict requirements of AWS D1.1, ASME Code B31.1, and B31.3. For welders working on critical piping or structural steel, using a certified temperature indicator like the Tempilstik proves that you are adhering to the Welding Procedure Specification (WPS). The stick is also chemically safe for use on sensitive materials, containing low levels of chlorides and sulfur to prevent contamination-induced corrosion later in the product's life.

Whether you are performing multi-pass welds and need to check interpass temperatures or simply bringing a heavy plate up to temp, the Tempilstik 150°F is your most reliable partner. It requires no batteries, has no sensors to break, and provides a permanent record of quality assurance when the melted mark is inspected. Equip your toolkit with the standard in thermal accuracy.