Mechanical Engineering - Production Engineering - Discussion

Discussion Forum : Production Engineering - Section 3 (Q.No. 24)
24.
High speed steel tools retain their hardness upto a temperature of
250°C
350°C
500°C
900°C
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
14 comments Page 2 of 2.

Mi patel said:   7 years ago
650 for HSS,
900 for Stallite.

Gaurav said:   7 years ago
560° is the correct temperature.

Narsingh said:   7 years ago
You are correct @Petel.

Hss 650.
Stallite 900.
Cemented carbide 1000-1200.
Ceramic or cemented oxides 1400.

Narsingh said:   7 years ago
HSS temperature range is 500°C(~900°F) to 650°C(~1200°F).


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