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S35000 Stainless Steel vs. ASTM A369 Grade FP91

Both S35000 stainless steel and ASTM A369 grade FP91 are iron alloys. They have 86% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S35000 stainless steel and the bottom bar is ASTM A369 grade FP91.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 2.3 to 14
19
Fatigue Strength, MPa 380 to 520
320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75
Shear Strength, MPa 740 to 950
410
Tensile Strength: Ultimate (UTS), MPa 1300 to 1570
670
Tensile Strength: Yield (Proof), MPa 660 to 1160
460

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Mechanical, °C 900
600
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
26
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
10

Otherwise Unclassified Properties

Base Metal Price, % relative 14
7.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
2.6
Embodied Energy, MJ/kg 44
37
Embodied Water, L/kg 130
88

Common Calculations

PREN (Pitting Resistance) 28
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 28 to 170
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1070 to 3360
560
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 46 to 56
24
Strength to Weight: Bending, points 34 to 38
22
Thermal Diffusivity, mm2/s 4.4
6.9
Thermal Shock Resistance, points 42 to 51
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Carbon (C), % 0.070 to 0.11
0.080 to 0.12
Chromium (Cr), % 16 to 17
8.0 to 9.5
Iron (Fe), % 72.7 to 76.9
87.3 to 90.3
Manganese (Mn), % 0.5 to 1.3
0.3 to 0.6
Molybdenum (Mo), % 2.5 to 3.2
0.85 to 1.1
Nickel (Ni), % 4.0 to 5.0
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0.070 to 0.13
0.030 to 0.070
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.5
0.2 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025
Titanium (Ti), % 0
0 to 0.010
Vanadium (V), % 0
0.18 to 0.25
Zirconium (Zr), % 0
0 to 0.010