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K93603 Alloy vs. ASTM A369 Grade FP21

Both K93603 alloy and ASTM A369 grade FP21 are iron alloys. They have 64% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is K93603 alloy and the bottom bar is ASTM A369 grade FP21.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 72
74
Tensile Strength: Ultimate (UTS), MPa 490 to 810
470

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
4.0
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.8
1.8
Embodied Energy, MJ/kg 66
23
Embodied Water, L/kg 120
61

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 17 to 27
17
Strength to Weight: Bending, points 17 to 24
17
Thermal Shock Resistance, points 15 to 25
14

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0 to 0.050
0.050 to 0.15
Chromium (Cr), % 0 to 0.25
2.7 to 3.4
Cobalt (Co), % 0 to 0.5
0
Iron (Fe), % 61.8 to 64
94.3 to 96.2
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.6
0.3 to 0.6
Molybdenum (Mo), % 0
0.8 to 1.1
Nickel (Ni), % 36
0
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.025
Titanium (Ti), % 0 to 0.1
0
Zirconium (Zr), % 0 to 0.1
0