Forge 온도 가이드

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Forge Temperature & Heat Color Guide

Understanding forging temperatures and the corresponding heat colors is essential for safe and effective blacksmithing and bladesmithing. This guide helps you identify the right temperature by visual color reference and by metal type.

Settings

Temperature Unit:

Heat Color Reference Chart

Dark Red (Blood Red)

~500°C

Lowest visible forging heat. Suitable only for light bending of thin material.

Dark Cherry Red

~600°C

Beginning of useful forging range for thin sections. Not hot enough for heavy work.

Cherry Red

~700°C

Suitable for bending and light forging of small stock. Mild steel is workable.

Bright Cherry Red

~800°C

Good forging temperature for most mild steel work. Ideal for general blacksmithing.

Orange

~900°C

Excellent for heavy forging, drawing out, and upsetting. Most steels are very workable.

Bright Orange

~950°C

Ideal for forge welding mild steel. High workability for all operations.

Yellow

~1000°C

Near upper limit for carbon steels. Excellent for forge welding. Watch for burning.

Yellow-White

~1100°C

Only for pure iron or very low carbon steel. Most steels will burn or spark at this temperature.

White

~1200°C

DANGER: Most steels are burning at this temperature. Only wrought iron can survive.

Temperature Lookup

Enter a temperature to find the expected heat color and see which metals are in their forging range.

Temperature (°C)

Recommended Forging Temperatures by Metal

Select Metal Type:

How to Use This Guide

Set your preferred temperature unit (Celsius or Fahrenheit) using the toggle at the top.
Refer to the Heat Color Reference Chart to learn what color steel should be at each temperature range.
Use the Temperature Lookup to enter a specific temperature and see the expected color and which metals are in their ideal forging range.
Select your metal type to see its recommended forging temperature range and important notes.
Always use proper PPE: safety glasses, leather apron, heat-resistant gloves, and face shield for forge welding.
Remember: aluminum does NOT change color when heated — always use a temperature indicator or infrared thermometer.