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EN 1.4525 Stainless Steel vs. ASTM A369 Grade FP1

Both EN 1.4525 stainless steel and ASTM A369 grade FP1 are iron alloys. They have 76% of their average alloy composition in common. There are 29 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 EN 1.4525 stainless steel and the bottom bar is ASTM A369 grade FP1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.6 to 13
20
Fatigue Strength, MPa 480 to 540
160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 1030 to 1250
430
Tensile Strength: Yield (Proof), MPa 840 to 1120
240

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 860
410
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 18
50
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.8
1.5
Embodied Energy, MJ/kg 39
20
Embodied Water, L/kg 130
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 130
75
Resilience: Unit (Modulus of Resilience), kJ/m3 1820 to 3230
150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 36 to 45
15
Strength to Weight: Bending, points 29 to 33
16
Thermal Diffusivity, mm2/s 4.7
13
Thermal Shock Resistance, points 34 to 41
13

Alloy Composition

Carbon (C), % 0 to 0.070
0.1 to 0.2
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 2.5 to 4.0
0
Iron (Fe), % 70.4 to 79
97.8 to 99.06
Manganese (Mn), % 0 to 1.0
0.3 to 0.8
Molybdenum (Mo), % 0 to 0.8
0.44 to 0.65
Nickel (Ni), % 3.5 to 5.5
0
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.8
0.1 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.025