Tempilstik 28037 is the 425°F / 218°C temperature-indicating stick. Buy that rating only when it matches the temperature check specified for your work. The useful signal is the stick melting at its designated temperature, not the color of the mark. A temperature indicator helps check a requirement; it does not choose the requirement or approve a welding procedure.
This guide separates three things that can get mixed together on an order: the manufacturer’s part number, the temperature rating and the seller’s quantity. Arc Weld’s listing is for one indicator, not the manufacturer’s catalog case quantity. That distinction matters when you are preparing a purchase order or restocking several workstations.
Match the printed rating before choosing a stick
The manufacturer’s Tempilstik product page describes a family of temperature indicators rather than one universal welding temperature. Its selectable ratings include 425°F / 218°C. The reverse-side part table in LA-CO’s Tempilstik document LP97R00279, hosted by a distributor asset service identifies part 28037 as 218°C / 425°F. Use the part number and both printed temperature units together when checking the order.
A listing for another Tempilstik can look almost identical. Similar packaging, the same brand and the same general description do not make a different rating interchangeable. If your work instructions specify a different temperature, stop at that mismatch rather than treating 425°F as a convenient substitute. If the required temperature is not stated, get that requirement resolved before selecting the indicator.
The indication is melting, not a color code
Markal explicitly says that color is not part of a Tempilstik’s function and that colors can change without notice. The temperature signal consists of melting. That makes color-based restocking a poor shortcut: a familiar-looking stick is not evidence of the right rating, and a different-looking stick is not necessarily the wrong product.
The manufacturer prints the part number, temperature and lot code along the stick for identification and traceability. Preserve that information with the item rather than relying only on the shelf location or an old photograph. Follow the manufacturer’s current use instructions and the applicable work procedure for where, when and how the temperature check is made. This buying guide is not an application procedure.
One indicator and one case are different orders
The manufacturer’s 2024 Industrial Products Guide, hosted by Codinter lists a case quantity of 10 for Tempilstik. That is manufacturer packaging information, not a promise that every retail offer contains ten sticks. Arc Weld identifies this specific offer as one indicator, and its variant SKU reads “TEMPIL425 – 1 EACH.”
Write the requested number of individual indicators on the purchase order. If you need a sealed case rather than individual units, confirm that arrangement with the seller before ordering; do not infer case packaging by multiplying a cart quantity. Likewise, do not use the catalog’s case quantity to estimate what will arrive from a single-unit listing.
A short order check
- Confirm that the governing work instructions call for this temperature check. Do not choose a preheat or interpass temperature from a shopping page.
- Match manufacturer part 28037 and the printed 425°F / 218°C rating.
- Match the selling unit: this Arc Weld offer is one indicator.
- Check the current listing and order quantity before checkout. Availability can change after a guide is written.
- Retain product identification and follow current manufacturer handling instructions, labels and safety information.
Where this fits in a welding purchase
A temperature indicator is a checking tool, not evidence that a particular base metal, filler or joint is suitable. The fact that a catalog mentions welding codes does not mean buying the stick qualifies your procedure or certifies the finished weld. Keep the product order separate from the decisions made by the applicable procedure, project requirements and responsible personnel.
For the exact item discussed here, check Arc Weld’s Tempilstik 28037 single-indicator listing. Confirm the rating and quantity on that page before placing an order. There is no need to substitute a different temperature simply because another stick is on the shelf.
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