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SAE-AISI S7 Steel vs. AWS ENiCrCoMo-1

SAE-AISI S7 steel belongs to the iron alloys classification, while AWS ENiCrCoMo-1 belongs to the nickel alloys. There are 19 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 SAE-AISI S7 steel and the bottom bar is AWS ENiCrCoMo-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
82
Tensile Strength: Ultimate (UTS), MPa 670 to 2030
710

Thermal Properties

Latent Heat of Fusion, J/g 260
330
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
440
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
75
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 2.3
11
Embodied Energy, MJ/kg 31
140
Embodied Water, L/kg 65
340

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 24 to 72
23
Strength to Weight: Bending, points 22 to 46
21
Thermal Shock Resistance, points 22 to 66
19

Alloy Composition

Carbon (C), % 0.45 to 0.55
0.050 to 0.15
Chromium (Cr), % 3.0 to 3.5
21 to 26
Cobalt (Co), % 0
9.0 to 15
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 91.6 to 94.9
0 to 5.0
Manganese (Mn), % 0.2 to 0.9
0.3 to 2.5
Molybdenum (Mo), % 1.3 to 1.8
8.0 to 10
Nickel (Ni), % 0
38.6 to 61.7
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0 to 0.3
0
Residuals, % 0
0 to 0.5