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S15700 Stainless Steel vs. S20161 Stainless Steel

Both S15700 stainless steel and S20161 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 33 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 S20161 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 460
250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 1.1 to 29
46
Fatigue Strength, MPa 370 to 770
360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 770 to 1070
690
Tensile Strength: Ultimate (UTS), MPa 1180 to 1890
980
Tensile Strength: Yield (Proof), MPa 500 to 1770
390

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Corrosion, °C 400
410
Maximum Temperature: Mechanical, °C 870
870
Melting Completion (Liquidus), °C 1440
1380
Melting Onset (Solidus), °C 1400
1330
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 15
12
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 3.4
2.7
Embodied Energy, MJ/kg 47
39
Embodied Water, L/kg 140
130

Common Calculations

PREN (Pitting Resistance) 23
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 270
360
Resilience: Unit (Modulus of Resilience), kJ/m3 640 to 4660
390
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 42 to 67
36
Strength to Weight: Bending, points 32 to 43
29
Thermal Diffusivity, mm2/s 4.2
4.0
Thermal Shock Resistance, points 39 to 63
22

Alloy Composition

Aluminum (Al), % 0.75 to 1.5
0
Carbon (C), % 0 to 0.090
0 to 0.15
Chromium (Cr), % 14 to 16
15 to 18
Iron (Fe), % 69.6 to 76.8
65.6 to 73.9
Manganese (Mn), % 0 to 1.0
4.0 to 6.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 6.5 to 7.7
4.0 to 6.0
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
3.0 to 4.0
Sulfur (S), % 0 to 0.030
0 to 0.040