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EN 1.4123 Stainless Steel vs. ASTM A369 Grade FP12

Both EN 1.4123 stainless steel and ASTM A369 grade FP12 are iron alloys. They have 83% 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 EN 1.4123 stainless steel and the bottom bar is ASTM A369 grade FP12.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 720 to 810
470

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 840
430
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 23
45
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 4.2
1.6
Embodied Energy, MJ/kg 62
21
Embodied Water, L/kg 120
52

Common Calculations

PREN (Pitting Resistance) 24
2.8
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26 to 29
17
Strength to Weight: Bending, points 23 to 25
17
Thermal Diffusivity, mm2/s 6.3
12
Thermal Shock Resistance, points 26 to 29
14

Alloy Composition

Carbon (C), % 0.35 to 0.5
0.050 to 0.15
Chromium (Cr), % 14 to 16.5
0.8 to 1.3
Iron (Fe), % 76.7 to 84.6
96.8 to 98.4
Manganese (Mn), % 0 to 1.0
0.3 to 0.61
Molybdenum (Mo), % 1.0 to 2.5
0.44 to 0.65
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0 to 1.5
0