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ASTM A369 Grade FP1 vs. S39274 Stainless Steel

Both ASTM A369 grade FP1 and S39274 stainless steel are iron alloys. They have 63% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP1 and the bottom bar is S39274 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
270
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 20
17
Fatigue Strength, MPa 160
380
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
81
Shear Strength, MPa 270
560
Tensile Strength: Ultimate (UTS), MPa 430
900
Tensile Strength: Yield (Proof), MPa 240
620

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1470
1480
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
16
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
24
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.5
4.3
Embodied Energy, MJ/kg 20
60
Embodied Water, L/kg 47
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75
140
Resilience: Unit (Modulus of Resilience), kJ/m3 150
940
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15
32
Strength to Weight: Bending, points 16
26
Thermal Diffusivity, mm2/s 13
4.2
Thermal Shock Resistance, points 13
25

Alloy Composition

Carbon (C), % 0.1 to 0.2
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 97.8 to 99.06
57 to 65.6
Manganese (Mn), % 0.3 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.44 to 0.65
2.5 to 3.5
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.1 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.025
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5