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R30556 Alloy vs. SAE-AISI 1039 Steel

Both R30556 alloy and SAE-AISI 1039 steel are iron alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is R30556 alloy and the bottom bar is SAE-AISI 1039 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
14 to 18
Fatigue Strength, MPa 320
230 to 370
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 550
380 to 420
Tensile Strength: Ultimate (UTS), MPa 780
610 to 690
Tensile Strength: Yield (Proof), MPa 350
340 to 580

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 11
51
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 70
1.8
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.7
1.4
Embodied Energy, MJ/kg 130
18
Embodied Water, L/kg 300
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
88 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 290
310 to 890
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26
22 to 24
Strength to Weight: Bending, points 22
20 to 22
Thermal Diffusivity, mm2/s 2.9
14
Thermal Shock Resistance, points 18
19 to 22

Alloy Composition

Aluminum (Al), % 0.1 to 0.5
0
Boron (B), % 0 to 0.020
0
Carbon (C), % 0.050 to 0.15
0.37 to 0.44
Chromium (Cr), % 21 to 23
0
Cobalt (Co), % 16 to 21
0
Iron (Fe), % 20.4 to 38.2
98.5 to 98.9
Lanthanum (La), % 0.0050 to 0.1
0
Manganese (Mn), % 0.5 to 2.0
0.7 to 1.0
Molybdenum (Mo), % 2.5 to 4.0
0
Nickel (Ni), % 19 to 22.5
0
Niobium (Nb), % 0 to 0.3
0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0.2 to 0.8
0
Sulfur (S), % 0 to 0.015
0 to 0.050
Tantalum (Ta), % 0.3 to 1.3
0
Tungsten (W), % 2.0 to 3.5
0
Zinc (Zn), % 0.0010 to 0.1
0