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Color Charts For Forging, Hardening & Tempering. |
| To aid you with your heat treatment of steel, we offer two temperature color charts. |
| Color Chart for Forging & Hardening : |
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The steel should be regarded in a dark or faintly lighted room and must not be exposes to direct light. The colour chart should be regarded in normal diffused daylight and not in sunlight or artificial light. |
| Color Chart for Tempering : - |
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This colour chart applies to a tempering time of about 30 minutes |
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