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ASTM A369 Grade FP92 vs. ASTM A372 Grade H Steel

Both ASTM A369 grade FP92 and ASTM A372 grade H steel are iron alloys. They have 89% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP92 and the bottom bar is ASTM A372 grade H steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
200 to 280
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
20 to 22
Fatigue Strength, MPa 330
310 to 380
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 440
410 to 570
Tensile Strength: Ultimate (UTS), MPa 710
650 to 910
Tensile Strength: Yield (Proof), MPa 490
430 to 550

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 590
410
Melting Completion (Liquidus), °C 1490
1460
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.3
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.5
Embodied Energy, MJ/kg 40
20
Embodied Water, L/kg 89
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 620
500 to 810
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
23 to 32
Strength to Weight: Bending, points 22
21 to 27
Thermal Diffusivity, mm2/s 6.9
12
Thermal Shock Resistance, points 19
19 to 27

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.070 to 0.13
0.3 to 0.4
Chromium (Cr), % 8.5 to 9.5
0.4 to 0.65
Iron (Fe), % 85.8 to 89.1
97.3 to 98.3
Manganese (Mn), % 0.3 to 0.6
0.75 to 1.1
Molybdenum (Mo), % 0.3 to 0.6
0.15 to 0.25
Nickel (Ni), % 0 to 0.4
0
Niobium (Nb), % 0.040 to 0.090
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.020
0 to 0.015
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.0
0
Vanadium (V), % 0.15 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0