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ASTM Grade HH Steel vs. EN 2.4952 Nickel

ASTM grade HH steel belongs to the iron alloys classification, while EN 2.4952 nickel belongs to the nickel alloys. They have a modest 34% 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 HH steel and the bottom bar is EN 2.4952 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
17
Fatigue Strength, MPa 150
370
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
74
Tensile Strength: Ultimate (UTS), MPa 580
1150
Tensile Strength: Yield (Proof), MPa 270
670

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Maximum Temperature: Mechanical, °C 1100
980
Melting Completion (Liquidus), °C 1400
1350
Melting Onset (Solidus), °C 1360
1300
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
12
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 20
55
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 3.7
9.8
Embodied Energy, MJ/kg 53
140
Embodied Water, L/kg 180
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 53
170
Resilience: Unit (Modulus of Resilience), kJ/m3 190
1180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 21
38
Strength to Weight: Bending, points 20
29
Thermal Diffusivity, mm2/s 3.8
3.1
Thermal Shock Resistance, points 12
33

Alloy Composition

Aluminum (Al), % 0
1.0 to 1.8
Boron (B), % 0
0 to 0.0080
Carbon (C), % 0.2 to 0.5
0.040 to 0.1
Chromium (Cr), % 24 to 28
18 to 21
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 52.9 to 64.8
0 to 1.5
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 11 to 14
65 to 79.2
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015
Titanium (Ti), % 0
1.8 to 2.7