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S31060 Stainless Steel vs. S44330 Stainless Steel

Both S31060 stainless steel and S44330 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 87% of their average alloy composition in common.

For each property being compared, the top bar is S31060 stainless steel and the bottom bar is S44330 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
25
Fatigue Strength, MPa 290
160
Poisson's Ratio 0.27
0.27
Rockwell B Hardness 82
79
Shear Modulus, GPa 78
78
Shear Strength, MPa 480
280
Tensile Strength: Ultimate (UTS), MPa 680
440
Tensile Strength: Yield (Proof), MPa 310
230

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 440
560
Maximum Temperature: Mechanical, °C 1080
990
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 18
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.4
2.8
Embodied Energy, MJ/kg 48
40
Embodied Water, L/kg 170
140

Common Calculations

PREN (Pitting Resistance) 26
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
91
Resilience: Unit (Modulus of Resilience), kJ/m3 250
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
16
Strength to Weight: Bending, points 22
17
Thermal Diffusivity, mm2/s 4.0
5.7
Thermal Shock Resistance, points 15
16

Alloy Composition

Boron (B), % 0.0010 to 0.010
0
Carbon (C), % 0.050 to 0.1
0 to 0.025
Cerium (Ce), % 0 to 0.070
0
Chromium (Cr), % 22 to 24
20 to 23
Copper (Cu), % 0
0.3 to 0.8
Iron (Fe), % 61.4 to 67.8
72.5 to 79.7
Lanthanum (La), % 0 to 0.070
0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 10 to 12.5
0
Niobium (Nb), % 0
0 to 0.8
Nitrogen (N), % 0.18 to 0.25
0 to 0.025
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 0.030
Titanium (Ti), % 0
0 to 0.8