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ASTM A369 Grade FP12 vs. EN 1.4422 Stainless Steel

Both ASTM A369 grade FP12 and EN 1.4422 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 31 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 FP12 and the bottom bar is EN 1.4422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
17
Fatigue Strength, MPa 170
380
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 300
520
Tensile Strength: Ultimate (UTS), MPa 470
850
Tensile Strength: Yield (Proof), MPa 250
630

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 430
760
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
16
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
11
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.6
2.7
Embodied Energy, MJ/kg 21
37
Embodied Water, L/kg 52
110

Common Calculations

PREN (Pitting Resistance) 2.8
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
130
Resilience: Unit (Modulus of Resilience), kJ/m3 160
1000
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
30
Strength to Weight: Bending, points 17
25
Thermal Diffusivity, mm2/s 12
4.3
Thermal Shock Resistance, points 14
31

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.020
Chromium (Cr), % 0.8 to 1.3
11 to 13
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 96.8 to 98.4
76.8 to 83.5
Manganese (Mn), % 0.3 to 0.61
0 to 2.0
Molybdenum (Mo), % 0.44 to 0.65
1.3 to 1.8
Nickel (Ni), % 0
4.0 to 5.0
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.0030