What is the maximum temperature that can should be given before hot forging process?

• A. 150¬¨¬®‚Äö√†√ªC
• B. 200¬¨¬®‚Äö√†√ªC
• C. 250¬¨¬®‚Äö√†√ªC
• D. 300¬¨¬®‚Äö√†√ªC