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S15700 Stainless Steel vs. SAE-AISI 4047 Steel

Both S15700 stainless steel and SAE-AISI 4047 steel are iron alloys. They have 74% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S15700 stainless steel and the bottom bar is SAE-AISI 4047 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 460
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 1.1 to 29
23
Fatigue Strength, MPa 370 to 770
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 770 to 1070
370
Tensile Strength: Ultimate (UTS), MPa 1180 to 1890
580
Tensile Strength: Yield (Proof), MPa 500 to 1770
310

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 870
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
48
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.5
Embodied Energy, MJ/kg 47
19
Embodied Water, L/kg 140
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 270
110
Resilience: Unit (Modulus of Resilience), kJ/m3 640 to 4660
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 42 to 67
20
Strength to Weight: Bending, points 32 to 43
20
Thermal Diffusivity, mm2/s 4.2
13
Thermal Shock Resistance, points 39 to 63
18

Alloy Composition

Aluminum (Al), % 0.75 to 1.5
0
Carbon (C), % 0 to 0.090
0.45 to 0.5
Chromium (Cr), % 14 to 16
0
Iron (Fe), % 69.6 to 76.8
97.9 to 98.5
Manganese (Mn), % 0 to 1.0
0.7 to 0.9
Molybdenum (Mo), % 2.0 to 3.0
0.2 to 0.3
Nickel (Ni), % 6.5 to 7.7
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040