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ASTM Grade HT Steel vs. ASTM A182 Grade F36

Both ASTM grade HT steel and ASTM A182 grade F36 are iron alloys. They have 48% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HT steel and the bottom bar is ASTM A182 grade F36.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 4.6
17
Fatigue Strength, MPa 130
330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 500
710
Tensile Strength: Yield (Proof), MPa 270
490

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1010
410
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 31
3.4
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.4
1.7
Embodied Energy, MJ/kg 76
22
Embodied Water, L/kg 190
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
110
Resilience: Unit (Modulus of Resilience), kJ/m3 180
650
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
25
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 3.2
10
Thermal Shock Resistance, points 12
21

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.35 to 0.75
0.1 to 0.17
Chromium (Cr), % 15 to 19
0 to 0.3
Copper (Cu), % 0
0.5 to 0.8
Iron (Fe), % 38.2 to 51.7
95 to 97.1
Manganese (Mn), % 0 to 2.0
0.8 to 1.2
Molybdenum (Mo), % 0 to 0.5
0.25 to 0.5
Nickel (Ni), % 33 to 37
1.0 to 1.3
Niobium (Nb), % 0
0.015 to 0.045
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.5
0.25 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.025
Vanadium (V), % 0
0 to 0.020