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ASTM A372 Grade J Steel vs. R60802 Alloy

ASTM A372 grade J steel belongs to the iron alloys classification, while R60802 alloy belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is ASTM A372 grade J steel and the bottom bar is R60802 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
98
Elongation at Break, % 17 to 22
22
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
36
Tensile Strength: Ultimate (UTS), MPa 650 to 1020
430
Tensile Strength: Yield (Proof), MPa 430 to 850
270

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 470
270
Thermal Conductivity, W/m-K 44
22
Thermal Expansion, µm/m-K 13
6.0

Otherwise Unclassified Properties

Density, g/cm3 7.8
6.5
Embodied Water, L/kg 51
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
85
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 1930
380
Stiffness to Weight: Axial, points 13
8.3
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 23 to 36
18
Strength to Weight: Bending, points 21 to 29
19
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 19 to 30
53

Alloy Composition

Carbon (C), % 0.35 to 0.5
0
Chromium (Cr), % 0.8 to 1.2
0.050 to 0.15
Iron (Fe), % 96.7 to 97.8
0.070 to 0.2
Manganese (Mn), % 0.75 to 1.1
0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0
0.030 to 0.080
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
1.2 to 1.7
Zirconium (Zr), % 0
97.8 to 98.7
Residuals, % 0
0 to 0.11