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SAE-AISI S1 Steel vs. ASTM A387 Grade 11 Steel

Both SAE-AISI S1 steel and ASTM A387 grade 11 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S1 steel and the bottom bar is ASTM A387 grade 11 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 690 to 1840
500 to 600

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1500
1460
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
2.9
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.6
Embodied Energy, MJ/kg 37
21
Embodied Water, L/kg 56
53

Common Calculations

PREN (Pitting Resistance) 5.9
3.1
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 64
18 to 21
Strength to Weight: Bending, points 22 to 42
18 to 20
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 21 to 56
15 to 18

Alloy Composition

Carbon (C), % 0.4 to 0.55
0.050 to 0.17
Chromium (Cr), % 1.0 to 1.8
1.0 to 1.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 91.6 to 96.7
96.2 to 97.6
Manganese (Mn), % 0.1 to 0.4
0.4 to 0.65
Molybdenum (Mo), % 0 to 0.5
0.45 to 0.65
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.15 to 1.2
0.5 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 1.5 to 3.0
0
Vanadium (V), % 0.15 to 0.3
0

Comparable Variants