Markal

Thermomelt Heat Stik temperature indicator from Markal at 125 F (52 C), 4-1/2 inch stick. Mark melts when rated temperature is reached for welding preheat and process monitoring.

Thermomelt Heat Stik from Markal at 175 F (79 C), 4-1/2 inch. Verifies preheat temperature on weld joints in carbon steel and structural fabrication.

Thermomelt Heat Stik from Markal at 200 F (93 C), 4-1/2 inch. Confirms preheat is reached on weld joints in structural and pipe fabrication.

Thermomelt Heat Stik from Markal at 225 F (107 C), 4-1/2 inch. Marks weld preheat zones for temperature verification in carbon and alloy steel work.

Thermomelt Heat Stik from Markal at 250 F (121 C), 4-1/2 inch stick. Confirms preheat is reached on weld joints in pipe, structural, and pressure vessel fabrication.

Thermomelt Heat-Stik Marker, 275 F, 4-1/2 in

Thermomelt Heat Stik from Markal at 325 F (163 C), 4-1/2 inch. Marks preheat and interpass temperatures on weld joints in alloy steel fabrication.

Thermomelt Heat Stik from Markal at 350 F (177 C), 4-1/2 inch. Verifies preheat reached on welds in carbon and alloy steel pipe and plate fabrication.

Thermomelt Heat Stik from Markal at 400 F (204 C), 4-1/2 inch. Confirms preheat and interpass temperatures during welding of structural and pressure vessel steel.

Thermomelt Heat Stik from Markal at 450 F (232 C), 4-1/2 inch. Marks weld preheat zones in chrome-moly and alloy steel pipe fabrication.

Thermomelt Heat Stik from Markal at 500 F (260 C), 4-1/2 inch. Confirms preheat on welds requiring elevated temperature in alloy and chrome-moly pipe work.

Thermomelt Heat Stik from Markal at 550 F (288 C), 4-1/2 inch. Verifies preheat reached on high-strength alloy steel weld joints in pipe and pressure vessel work.