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ASTM Grade HF Steel vs. R60901 Alloy

ASTM grade HF steel belongs to the iron alloys classification, while R60901 alloy belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HF steel and the bottom bar is R60901 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
98
Elongation at Break, % 29
17 to 22
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
37
Tensile Strength: Ultimate (UTS), MPa 550
500 to 580
Tensile Strength: Yield (Proof), MPa 270
350 to 390

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Specific Heat Capacity, J/kg-K 480
270
Thermal Conductivity, W/m-K 16
17
Thermal Expansion, µm/m-K 16
6.3

Otherwise Unclassified Properties

Density, g/cm3 7.7
6.6
Embodied Water, L/kg 150
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
88 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 180
640 to 760
Stiffness to Weight: Axial, points 14
8.3
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 20
21 to 25
Strength to Weight: Bending, points 19
21 to 24
Thermal Diffusivity, mm2/s 4.2
9.7
Thermal Shock Resistance, points 12
58 to 67

Alloy Composition

Carbon (C), % 0.2 to 0.4
0
Chromium (Cr), % 18 to 23
0
Iron (Fe), % 60 to 73.8
0
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 8.0 to 12
0
Niobium (Nb), % 0
2.4 to 2.8
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0 to 0.040
0
Zirconium (Zr), % 0
96.8 to 97.5
Residuals, % 0
0 to 0.29