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ASTM A372 Grade H Steel vs. Nickel 617

ASTM A372 grade H steel belongs to the iron alloys classification, while nickel 617 belongs to the nickel alloys. There are 30 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 A372 grade H steel and the bottom bar is nickel 617.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 20 to 22
40
Fatigue Strength, MPa 310 to 380
220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
80
Shear Strength, MPa 410 to 570
510
Tensile Strength: Ultimate (UTS), MPa 650 to 910
740
Tensile Strength: Yield (Proof), MPa 430 to 550
280

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 410
1010
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1330
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 45
13
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
75
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 1.5
10
Embodied Energy, MJ/kg 20
140
Embodied Water, L/kg 49
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 160
230
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 810
190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 23 to 32
24
Strength to Weight: Bending, points 21 to 27
21
Thermal Diffusivity, mm2/s 12
3.5
Thermal Shock Resistance, points 19 to 27
21

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0.3 to 0.4
0.050 to 0.15
Chromium (Cr), % 0.4 to 0.65
20 to 24
Cobalt (Co), % 0
10 to 15
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 97.3 to 98.3
0 to 3.0
Manganese (Mn), % 0.75 to 1.1
0 to 1.0
Molybdenum (Mo), % 0.15 to 0.25
8.0 to 10
Nickel (Ni), % 0
44.5 to 62
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015