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S35500 Stainless Steel vs. ASTM A369 Grade FP9

Both S35500 stainless steel and ASTM A369 grade FP9 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 S35500 stainless steel and the bottom bar is ASTM A369 grade FP9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14
20
Fatigue Strength, MPa 690 to 730
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75
Shear Strength, MPa 810 to 910
300
Tensile Strength: Ultimate (UTS), MPa 1330 to 1490
470
Tensile Strength: Yield (Proof), MPa 1200 to 1280
240

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Mechanical, °C 870
600
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
26
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
10

Otherwise Unclassified Properties

Base Metal Price, % relative 16
6.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.5
2.0
Embodied Energy, MJ/kg 47
28
Embodied Water, L/kg 130
87

Common Calculations

PREN (Pitting Resistance) 27
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
80
Resilience: Unit (Modulus of Resilience), kJ/m3 3610 to 4100
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 47 to 53
17
Strength to Weight: Bending, points 34 to 37
17
Thermal Diffusivity, mm2/s 4.4
6.9
Thermal Shock Resistance, points 44 to 49
13

Alloy Composition

Carbon (C), % 0.1 to 0.15
0 to 0.15
Chromium (Cr), % 15 to 16
8.0 to 10
Iron (Fe), % 73.2 to 77.7
87.1 to 90.3
Manganese (Mn), % 0.5 to 1.3
0.3 to 0.6
Molybdenum (Mo), % 2.5 to 3.2
0.9 to 1.1
Nickel (Ni), % 4.0 to 5.0
0
Niobium (Nb), % 0.1 to 0.5
0
Nitrogen (N), % 0.070 to 0.13
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.5
0.5 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030