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Chemistry Typical
Carbon: 0.25 max
Phosphorus: 0.045 max
Silicon: 1.50 max
Nickel: 19.00-22.00
Manganese: 2.00 max
Sulfur: 0.030 max
Chromium: 24.00-26.00
Molybdenum: 0.75 max
Copper: 0.50 max
Iron: Balance
Physical Properties
Density: .289 lb/in³, 8.00 g/cm³
Electrical Resistivity: ohm-cir-mil/ft:
At 70 °F (21°C): 469.0
Specific Heat: BTU/lb-°F (J/g-°C) 32-212°F (0-100°C): 0.12(0.5)
Thermal Conductivity: BTU-in/hr-ft²-°F (W/m•K):
32-212°F (0-100°C): 112 (16.2)
Mean Coefficient of Thermal Expansion: µin/in-°F (µm/m-°C)
32-212 °F (0-100 °C): 8.78(15.8)
32-599 °F (0-315 °C): 9.00(16.2)
32-1000 °F (0-540 °C): 9.39(16.9)
32-1200 °F (0–650 °C): 10.6(19.1)
Modulus of Elasticity: ksi (MPa)
28-29 x 10³ Ksi (193-200 x 10³) in tension
Magnetic Permeability, H = 200: Annealed ≤ 1.008
Melting Range: 2550-2650 °F (1400-1455°C):