MakeItFrom.com
Menu (ESC)

S20431 Stainless Steel vs. ASTM A369 Grade FP2

Both S20431 stainless steel and ASTM A369 grade FP2 are iron alloys. They have 72% 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 S20431 stainless steel and the bottom bar is ASTM A369 grade FP2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 46
20
Fatigue Strength, MPa 320
160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 500
270
Tensile Strength: Ultimate (UTS), MPa 710
430
Tensile Strength: Yield (Proof), MPa 350
240

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 890
420
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1360
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
49
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.6
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.5
1.6
Embodied Energy, MJ/kg 36
20
Embodied Water, L/kg 140
50

Common Calculations

PREN (Pitting Resistance) 20
2.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
75
Resilience: Unit (Modulus of Resilience), kJ/m3 310
150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
15
Strength to Weight: Bending, points 23
16
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 15
13

Alloy Composition

Carbon (C), % 0 to 0.12
0.1 to 0.2
Chromium (Cr), % 17 to 18
0.5 to 0.81
Copper (Cu), % 1.5 to 3.5
0
Iron (Fe), % 66.1 to 74.4
97.4 to 98.6
Manganese (Mn), % 5.0 to 7.0
0.3 to 0.61
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 2.0 to 4.0
0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0.1 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025