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R30556 Alloy vs. ACI-ASTM CK35MN Steel

Both R30556 alloy and ACI-ASTM CK35MN steel are iron alloys. They have 77% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is R30556 alloy and the bottom bar is ACI-ASTM CK35MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 45
40
Fatigue Strength, MPa 320
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
81
Tensile Strength: Ultimate (UTS), MPa 780
650
Tensile Strength: Yield (Proof), MPa 350
310

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 450
440
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1330
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 11
12
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 70
31
Density, g/cm3 8.4
8.0
Embodied Carbon, kg CO2/kg material 8.7
5.9
Embodied Energy, MJ/kg 130
81
Embodied Water, L/kg 300
210

Common Calculations

PREN (Pitting Resistance) 40
48
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
210
Resilience: Unit (Modulus of Resilience), kJ/m3 290
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26
22
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 2.9
3.3
Thermal Shock Resistance, points 18
14

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 to 0.035
Chromium (Cr), % 21 to 23
22 to 24
Cobalt (Co), % 16 to 21
0
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 20.4 to 38.2
43.4 to 51.8
Lanthanum (La), % 0.0050 to 0.1
0
Manganese (Mn), % 0.5 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 4.0
6.0 to 6.8
Nickel (Ni), % 19 to 22.5
20 to 22
Niobium (Nb), % 0 to 0.3
0
Nitrogen (N), % 0.1 to 0.3
0.21 to 0.32
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0.2 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.020
Tantalum (Ta), % 0.3 to 1.3
0
Tungsten (W), % 2.0 to 3.5
0
Zinc (Zn), % 0.0010 to 0.1
0