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ASTM A372 Grade H Steel vs. ASTM A182 Grade F3V

Both ASTM A372 grade H steel and ASTM A182 grade F3V are iron alloys. They have a very high 96% 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 ASTM A372 grade H steel and the bottom bar is ASTM A182 grade F3V.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20 to 22
20
Fatigue Strength, MPa 310 to 380
330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 410 to 570
410
Tensile Strength: Ultimate (UTS), MPa 650 to 910
660
Tensile Strength: Yield (Proof), MPa 430 to 550
470

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
470
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
4.2
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
2.3
Embodied Energy, MJ/kg 20
33
Embodied Water, L/kg 49
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 160
120
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 810
590
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 32
23
Strength to Weight: Bending, points 21 to 27
21
Thermal Diffusivity, mm2/s 12
10
Thermal Shock Resistance, points 19 to 27
19

Alloy Composition

Boron (B), % 0
0.0010 to 0.0030
Carbon (C), % 0.3 to 0.4
0.050 to 0.18
Chromium (Cr), % 0.4 to 0.65
2.8 to 3.2
Iron (Fe), % 97.3 to 98.3
94.4 to 95.7
Manganese (Mn), % 0.75 to 1.1
0.3 to 0.6
Molybdenum (Mo), % 0.15 to 0.25
0.9 to 1.1
Phosphorus (P), % 0 to 0.015
0 to 0.020
Silicon (Si), % 0.15 to 0.35
0 to 0.1
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 0
0.015 to 0.035
Vanadium (V), % 0
0.2 to 0.3