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ASTM A387 Grade 12 Steel vs. EN 1.4823 Stainless Steel

Both ASTM A387 grade 12 steel and EN 1.4823 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 30 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 A387 grade 12 steel and the bottom bar is EN 1.4823 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
3.4
Fatigue Strength, MPa 190 to 230
130
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 470 to 520
620
Tensile Strength: Yield (Proof), MPa 260 to 310
290

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 430
1100
Melting Completion (Liquidus), °C 1470
1400
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 44
17
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
16
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.6
3.0
Embodied Energy, MJ/kg 21
43
Embodied Water, L/kg 51
170

Common Calculations

PREN (Pitting Resistance) 2.7
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 110
17
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 250
200
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 16 to 18
23
Strength to Weight: Bending, points 17 to 18
21
Thermal Diffusivity, mm2/s 12
4.5
Thermal Shock Resistance, points 14 to 15
17

Alloy Composition

Carbon (C), % 0.050 to 0.17
0.3 to 0.5
Chromium (Cr), % 0.8 to 1.2
25 to 28
Iron (Fe), % 97 to 98.2
60.9 to 70.7
Manganese (Mn), % 0.4 to 0.65
0 to 1.5
Molybdenum (Mo), % 0.45 to 0.6
0 to 0.5
Nickel (Ni), % 0
3.0 to 6.0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.15 to 0.4
1.0 to 2.5
Sulfur (S), % 0 to 0.025
0 to 0.030