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ASTM A369 Grade FP1 vs. EN 1.3975 Stainless Steel

Both ASTM A369 grade FP1 and EN 1.3975 stainless steel are iron alloys. They have 63% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP1 and the bottom bar is EN 1.3975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
27
Fatigue Strength, MPa 160
230
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 430
660
Tensile Strength: Yield (Proof), MPa 240
320

Thermal Properties

Latent Heat of Fusion, J/g 250
340
Maximum Temperature: Mechanical, °C 410
910
Melting Completion (Liquidus), °C 1470
1360
Melting Onset (Solidus), °C 1420
1320
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
15
Density, g/cm3 7.9
7.5
Embodied Carbon, kg CO2/kg material 1.5
3.3
Embodied Energy, MJ/kg 20
47
Embodied Water, L/kg 47
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75
150
Resilience: Unit (Modulus of Resilience), kJ/m3 150
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 15
24
Strength to Weight: Bending, points 16
22
Thermal Shock Resistance, points 13
15

Alloy Composition

Carbon (C), % 0.1 to 0.2
0 to 0.050
Chromium (Cr), % 0
16 to 18
Iron (Fe), % 97.8 to 99.06
58.2 to 65.4
Manganese (Mn), % 0.3 to 0.8
7.0 to 9.0
Molybdenum (Mo), % 0.44 to 0.65
0 to 1.0
Nickel (Ni), % 0
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0.1 to 0.5
3.5 to 4.5
Sulfur (S), % 0 to 0.025
0 to 0.030