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S46910 Stainless Steel vs. SAE-AISI A7 Steel

Both S46910 stainless steel and SAE-AISI A7 steel are iron alloys. They have 78% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is S46910 stainless steel and the bottom bar is SAE-AISI A7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Tensile Strength: Ultimate (UTS), MPa 680 to 2470
800 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 18
10
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.1
13
Embodied Energy, MJ/kg 55
200
Embodied Water, L/kg 140
100

Common Calculations

PREN (Pitting Resistance) 25
11
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 86
29 to 77
Strength to Weight: Bending, points 22 to 51
25 to 48
Thermal Shock Resistance, points 23 to 84
27 to 72

Alloy Composition

Aluminum (Al), % 0.15 to 0.5
0
Carbon (C), % 0 to 0.030
2.0 to 2.9
Chromium (Cr), % 11 to 13
5.0 to 5.8
Copper (Cu), % 1.5 to 3.5
0 to 0.25
Iron (Fe), % 65 to 76
81.4 to 87.7
Manganese (Mn), % 0 to 1.0
0 to 0.8
Molybdenum (Mo), % 3.0 to 5.0
0.9 to 1.4
Nickel (Ni), % 8.0 to 10
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.5 to 1.2
0
Tungsten (W), % 0
0.5 to 1.5
Vanadium (V), % 0
3.9 to 5.2

Comparable Variants