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S31727 Stainless Steel vs. S17600 Stainless Steel

Both S31727 stainless steel and S17600 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 30 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 S31727 stainless steel and the bottom bar is S17600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
270 to 410
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
8.6 to 11
Fatigue Strength, MPa 240
300 to 680
Poisson's Ratio 0.28
0.28
Reduction in Area, % 56
28 to 50
Shear Modulus, GPa 78
76
Shear Strength, MPa 430
560 to 880
Tensile Strength: Ultimate (UTS), MPa 630
940 to 1490
Tensile Strength: Yield (Proof), MPa 270
580 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
550
Maximum Temperature: Mechanical, °C 1010
890
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 24
13
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 4.7
2.9
Embodied Energy, MJ/kg 64
42
Embodied Water, L/kg 180
130

Common Calculations

PREN (Pitting Resistance) 35
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
70 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 190
850 to 4390
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
34 to 54
Strength to Weight: Bending, points 20
28 to 37
Thermal Shock Resistance, points 14
31 to 50

Alloy Composition

Aluminum (Al), % 0
0 to 0.4
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 17.5 to 19
16 to 17.5
Copper (Cu), % 2.8 to 4.0
0
Iron (Fe), % 53.7 to 61.3
71.3 to 77.6
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 3.8 to 4.5
0
Nickel (Ni), % 14.5 to 16.5
6.0 to 7.5
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.4 to 1.2