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ASTM A369 Grade FP2 vs. AISI 302B Stainless Steel

Both ASTM A369 grade FP2 and AISI 302B stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 32 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 ASTM A369 grade FP2 and the bottom bar is AISI 302B stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
45
Fatigue Strength, MPa 160
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 270
410
Tensile Strength: Ultimate (UTS), MPa 430
580
Tensile Strength: Yield (Proof), MPa 240
230

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 420
930
Melting Completion (Liquidus), °C 1470
1400
Melting Onset (Solidus), °C 1430
1360
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 49
17
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
15
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.6
3.0
Embodied Energy, MJ/kg 20
43
Embodied Water, L/kg 50
140

Common Calculations

PREN (Pitting Resistance) 2.5
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 75
210
Resilience: Unit (Modulus of Resilience), kJ/m3 150
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15
21
Strength to Weight: Bending, points 16
20
Thermal Diffusivity, mm2/s 13
4.4
Thermal Shock Resistance, points 13
13

Alloy Composition

Carbon (C), % 0.1 to 0.2
0 to 0.15
Chromium (Cr), % 0.5 to 0.81
17 to 19
Iron (Fe), % 97.4 to 98.6
65.7 to 73
Manganese (Mn), % 0.3 to 0.61
0 to 2.0
Molybdenum (Mo), % 0.44 to 0.65
0
Nickel (Ni), % 0
8.0 to 10
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0.1 to 0.3
2.0 to 3.0
Sulfur (S), % 0 to 0.025
0 to 0.030