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ASTM Grade HT Steel vs. Nickel 200

ASTM grade HT steel belongs to the iron alloys classification, while nickel 200 belongs to the nickel alloys. They have a modest 36% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HT steel and the bottom bar is nickel 200.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180
Elongation at Break, % 4.6
23 to 44
Fatigue Strength, MPa 130
120 to 350
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
70
Tensile Strength: Ultimate (UTS), MPa 500
420 to 540
Tensile Strength: Yield (Proof), MPa 270
120 to 370

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Mechanical, °C 1010
900
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1440
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 12
69
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
18
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
18

Otherwise Unclassified Properties

Base Metal Price, % relative 31
65
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 5.4
11
Embodied Energy, MJ/kg 76
150
Embodied Water, L/kg 190
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
110 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 180
42 to 370
Stiffness to Weight: Axial, points 13
11
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 18
13 to 17
Strength to Weight: Bending, points 18
14 to 17
Thermal Diffusivity, mm2/s 3.2
17
Thermal Shock Resistance, points 12
13 to 16

Alloy Composition

Carbon (C), % 0.35 to 0.75
0 to 0.15
Chromium (Cr), % 15 to 19
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 38.2 to 51.7
0 to 0.4
Manganese (Mn), % 0 to 2.0
0 to 0.35
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 33 to 37
99 to 100
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.5
0 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.010