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ASTM A372 Grade G Steel vs. Nickel 30

ASTM A372 grade G steel belongs to the iron alloys classification, while nickel 30 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 G steel and the bottom bar is nickel 30.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 20 to 22
34
Fatigue Strength, MPa 310 to 380
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
82
Shear Strength, MPa 410 to 570
440
Tensile Strength: Ultimate (UTS), MPa 650 to 910
660
Tensile Strength: Yield (Proof), MPa 430 to 550
270

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 410
1020
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 46
10
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
60
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 1.5
9.4
Embodied Energy, MJ/kg 20
130
Embodied Water, L/kg 49
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 160
180
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 810
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 23 to 32
22
Strength to Weight: Bending, points 21 to 27
20
Thermal Diffusivity, mm2/s 13
2.7
Thermal Shock Resistance, points 19 to 27
18

Alloy Composition

Carbon (C), % 0.25 to 0.35
0 to 0.030
Chromium (Cr), % 0.4 to 0.65
28 to 31.5
Cobalt (Co), % 0
0 to 5.0
Copper (Cu), % 0
1.0 to 2.4
Iron (Fe), % 97.4 to 98.4
13 to 17
Manganese (Mn), % 0.7 to 1.0
0 to 0.030
Molybdenum (Mo), % 0.15 to 0.25
4.0 to 6.0
Nickel (Ni), % 0
30.2 to 52.2
Niobium (Nb), % 0
0.3 to 1.5
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0 to 0.8
Sulfur (S), % 0 to 0.010
0 to 0.020
Tungsten (W), % 0
1.5 to 4.0