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EN 1.4518 Stainless Steel vs. ASTM A182 Grade F12 Class 2

Both EN 1.4518 stainless steel and ASTM A182 grade F12 class 2 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 (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4518 stainless steel and the bottom bar is ASTM A182 grade F12 class 2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
22
Fatigue Strength, MPa 160
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 490
540
Tensile Strength: Yield (Proof), MPa 210
310

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1000
430
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
43
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.0
1.6
Embodied Energy, MJ/kg 55
21
Embodied Water, L/kg 160
52

Common Calculations

PREN (Pitting Resistance) 30
2.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
100
Resilience: Unit (Modulus of Resilience), kJ/m3 100
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
19
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 4.1
12
Thermal Shock Resistance, points 14
16

Alloy Composition

Carbon (C), % 0 to 0.030
0.1 to 0.2
Chromium (Cr), % 18 to 20
0.8 to 1.3
Iron (Fe), % 61.4 to 70
96.4 to 98.3
Manganese (Mn), % 0 to 1.5
0.3 to 0.8
Molybdenum (Mo), % 3.0 to 3.5
0.44 to 0.65
Nickel (Ni), % 9.0 to 12
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0.1 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.040