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ASTM A387 Grade 9 Steel vs. ASTM A182 Grade F92

Both ASTM A387 grade 9 steel and ASTM A182 grade F92 are iron alloys. They have a very high 98% of their average alloy composition in common. There are 32 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 A387 grade 9 steel and the bottom bar is ASTM A182 grade F92.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
240
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20 to 21
22
Fatigue Strength, MPa 160 to 240
360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Shear Strength, MPa 310 to 380
440
Tensile Strength: Ultimate (UTS), MPa 500 to 600
690
Tensile Strength: Yield (Proof), MPa 230 to 350
500

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 600
590
Melting Completion (Liquidus), °C 1460
1490
Melting Onset (Solidus), °C 1410
1450
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
26
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 10
10

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
11
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.1
2.8
Embodied Energy, MJ/kg 28
40
Embodied Water, L/kg 87
89

Common Calculations

PREN (Pitting Resistance) 12
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 110
140
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 310
650
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18 to 21
24
Strength to Weight: Bending, points 18 to 20
22
Thermal Diffusivity, mm2/s 6.9
6.9
Thermal Shock Resistance, points 14 to 17
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0 to 0.15
0.070 to 0.13
Chromium (Cr), % 8.0 to 10
8.5 to 9.5
Iron (Fe), % 87.1 to 90.8
85.8 to 89.1
Manganese (Mn), % 0.3 to 0.6
0.3 to 0.6
Molybdenum (Mo), % 0.9 to 1.1
0.3 to 0.6
Nickel (Ni), % 0
0 to 0.4
Niobium (Nb), % 0
0.040 to 0.090
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.010
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
1.5 to 2.0
Vanadium (V), % 0 to 0.040
0.15 to 0.25
Zirconium (Zr), % 0
0 to 0.010