Related Clues:

• Strong metal
• Iron-carbon alloy
• Shade of blue or gray
• It's often forged
• Type of wool
• With 66-Across, a utility fitting
• Iron alloy
• Nerve material?
• "Buns of ___"
• Metal
• Pain-in-the-neck wear?
• 'Buns of ___' (5)
• Eleventh anniversary gift
• Protective arm band
• Anniversary gift between tin and silk