• Coefficient of Expansion (C.O.E.): 104 x 10-7^oC
• 21-24 Rods approx. 13" 
• Rod Diameter: 5-6mm
• Strain Point: 840^oF
• Working Temperature: 1700^oF
• Annealing Range: 920-928^oF
• Softening Point: 1050^oF

Very popular item... supplies can be limited!