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S31060 Stainless Steel vs. S31730 Stainless Steel

Both S31060 stainless steel and S31730 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 87% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S31060 stainless steel and the bottom bar is S31730 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
40
Fatigue Strength, MPa 290
170
Poisson's Ratio 0.27
0.28
Rockwell B Hardness 82
78
Shear Modulus, GPa 78
77
Shear Strength, MPa 480
370
Tensile Strength: Ultimate (UTS), MPa 680
540
Tensile Strength: Yield (Proof), MPa 310
200

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 1080
990
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 18
24
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.4
4.6
Embodied Energy, MJ/kg 48
63
Embodied Water, L/kg 170
180

Common Calculations

PREN (Pitting Resistance) 26
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
170
Resilience: Unit (Modulus of Resilience), kJ/m3 250
99
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
19
Strength to Weight: Bending, points 22
18
Thermal Shock Resistance, points 15
12

Alloy Composition

Boron (B), % 0.0010 to 0.010
0
Carbon (C), % 0.050 to 0.1
0 to 0.030
Cerium (Ce), % 0 to 0.070
0
Chromium (Cr), % 22 to 24
17 to 19
Copper (Cu), % 0
4.0 to 5.0
Iron (Fe), % 61.4 to 67.8
52.4 to 61
Lanthanum (La), % 0 to 0.070
0
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 10 to 12.5
15 to 16.5
Nitrogen (N), % 0.18 to 0.25
0 to 0.045
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010