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S39277 Stainless Steel vs. ASTM A369 Grade FP2

Both S39277 stainless steel and ASTM A369 grade FP2 are iron alloys. They have 62% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S39277 stainless steel and the bottom bar is ASTM A369 grade FP2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
20
Fatigue Strength, MPa 480
160
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 600
270
Tensile Strength: Ultimate (UTS), MPa 930
430
Tensile Strength: Yield (Proof), MPa 660
240

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
49
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 23
2.6
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.2
1.6
Embodied Energy, MJ/kg 59
20
Embodied Water, L/kg 180
50

Common Calculations

PREN (Pitting Resistance) 43
2.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
75
Resilience: Unit (Modulus of Resilience), kJ/m3 1070
150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 33
15
Strength to Weight: Bending, points 27
16
Thermal Diffusivity, mm2/s 4.2
13
Thermal Shock Resistance, points 26
13

Alloy Composition

Carbon (C), % 0 to 0.025
0.1 to 0.2
Chromium (Cr), % 24 to 26
0.5 to 0.81
Copper (Cu), % 1.2 to 2.0
0
Iron (Fe), % 56.8 to 64.3
97.4 to 98.6
Manganese (Mn), % 0 to 0.8
0.3 to 0.61
Molybdenum (Mo), % 3.0 to 4.0
0.44 to 0.65
Nickel (Ni), % 6.5 to 8.0
0
Nitrogen (N), % 0.23 to 0.33
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.8
0.1 to 0.3
Sulfur (S), % 0 to 0.0020
0 to 0.025
Tungsten (W), % 0.8 to 1.2
0