H13 Tool Steel Technical Data

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Uses:

Extrusion dies, forge dies, slitter knives, hot shears, trimmer dies, gripper dies, die casting dies, heading dies, pneumatic tools.

Forging/Rolling:

Preheat slowly to 1300° F – 1500° F and soak thoroughly.  Then raise to 2050° F – 2150° F.  Do not forge or roll below 1650° F, cool slowly from the forging or rolling temperature.  Do not normalize.

Annealing:

Heat slowly to 1600° F, and hold for uniformity, cool at a rate of 30° F per hour to 900° F, then air cool.  Expected Brinell hardness 207 max.

Hardening:

Preheat to 1300° F – 1400° F, soak until uniformly heated, and either transfer or raise furnace temperature to 1850° F, and hold 1 hour per inch of greatest thickness.  Quench in still air and temper without delay.

Tempering:

Temper immediately after quenching, before part has cooled to below 150° F.  Parts should be held a minimum of 2 hours per inch of greatest thickness.  Double tempering is recommended for the H-13 grade.   For most applications, H-13 should be tempered in the 1100° F – 1150° F range.  The above tempering table may be used as a guide.  However, since 1/2″ dia. specimens were used for this test, it may be found that heavier sections are several points lower.