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ASTM A182 Grade F12 Class 2 vs. EN 1.3551 Steel

Both ASTM A182 grade F12 class 2 and EN 1.3551 steel are iron alloys. They have a moderately high 92% 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 ASTM A182 grade F12 class 2 and the bottom bar is EN 1.3551 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 540
720

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 430
530
Melting Completion (Liquidus), °C 1460
1490
Melting Onset (Solidus), °C 1420
1450
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 43
36
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
8.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
9.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
4.9
Embodied Energy, MJ/kg 21
71
Embodied Water, L/kg 52
82

Common Calculations

PREN (Pitting Resistance) 2.8
18
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
26
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 12
9.8
Thermal Shock Resistance, points 16
21

Alloy Composition

Carbon (C), % 0.1 to 0.2
0.77 to 0.85
Chromium (Cr), % 0.8 to 1.3
3.9 to 4.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 96.4 to 98.3
88.8 to 91.1
Manganese (Mn), % 0.3 to 0.8
0.15 to 0.35
Molybdenum (Mo), % 0.44 to 0.65
4.0 to 4.5
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0.1 to 0.6
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.015
Tungsten (W), % 0
0 to 0.25
Vanadium (V), % 0
0.9 to 1.1