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SAE-AISI S1 Steel vs. ASTM Grade HN Steel

Both SAE-AISI S1 steel and ASTM grade HN steel are iron alloys. They have 54% of their average alloy composition in common. There are 22 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 S1 steel and the bottom bar is ASTM grade HN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 690 to 1840
500

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Melting Completion (Liquidus), °C 1500
1400
Melting Onset (Solidus), °C 1450
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 41
13
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
26
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 2.6
4.6
Embodied Energy, MJ/kg 37
66
Embodied Water, L/kg 56
180

Common Calculations

PREN (Pitting Resistance) 5.9
22
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 64
17
Strength to Weight: Bending, points 22 to 42
18
Thermal Diffusivity, mm2/s 11
3.5
Thermal Shock Resistance, points 21 to 56
11

Alloy Composition

Carbon (C), % 0.4 to 0.55
0.2 to 0.5
Chromium (Cr), % 1.0 to 1.8
19 to 23
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 91.6 to 96.7
44.9 to 57.8
Manganese (Mn), % 0.1 to 0.4
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 0 to 0.3
23 to 27
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 1.2
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 1.5 to 3.0
0
Vanadium (V), % 0.15 to 0.3
0