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ASTM A372 Grade H Steel vs. Nickel 689

ASTM A372 grade H steel belongs to the iron alloys classification, while nickel 689 belongs to the nickel alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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 689.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
350
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 20 to 22
23
Fatigue Strength, MPa 310 to 380
420
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
80
Shear Strength, MPa 410 to 570
790
Tensile Strength: Ultimate (UTS), MPa 650 to 910
1250
Tensile Strength: Yield (Proof), MPa 430 to 550
690

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 410
990
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
450
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
70
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 1.5
11
Embodied Energy, MJ/kg 20
150
Embodied Water, L/kg 49
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 160
240
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 810
1170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 23 to 32
41
Strength to Weight: Bending, points 21 to 27
30
Thermal Shock Resistance, points 19 to 27
35

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0.3 to 0.4
0.1 to 0.2
Chromium (Cr), % 0.4 to 0.65
18 to 20
Cobalt (Co), % 0
9.0 to 11
Iron (Fe), % 97.3 to 98.3
0 to 5.0
Manganese (Mn), % 0.75 to 1.1
0 to 0.5
Molybdenum (Mo), % 0.15 to 0.25
9.0 to 10.5
Nickel (Ni), % 0
48.3 to 60.9
Phosphorus (P), % 0 to 0.015
0 to 0.015
Silicon (Si), % 0.15 to 0.35
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0
2.3 to 2.8