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EN 1.8838 Steel vs. ASTM A182 Grade FR

Both EN 1.8838 steel and ASTM A182 grade FR are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.8838 steel and the bottom bar is ASTM A182 grade FR.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
28
Fatigue Strength, MPa 290
270
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 380
320
Tensile Strength: Ultimate (UTS), MPa 610
490
Tensile Strength: Yield (Proof), MPa 430
360

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
410
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
52
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
3.3
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
1.6
Embodied Energy, MJ/kg 23
21
Embodied Water, L/kg 50
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
120
Resilience: Unit (Modulus of Resilience), kJ/m3 500
340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 20
17
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 18
14

Alloy Composition

Aluminum (Al), % 0.015 to 0.054
0
Carbon (C), % 0 to 0.18
0 to 0.2
Chromium (Cr), % 0 to 0.35
0
Copper (Cu), % 0 to 0.6
0.75 to 1.3
Iron (Fe), % 95 to 99.985
95.2 to 97.3
Manganese (Mn), % 0 to 1.8
0.4 to 1.1
Molybdenum (Mo), % 0 to 0.23
0
Nickel (Ni), % 0 to 0.85
1.6 to 2.2
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.027
0
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.65
0
Sulfur (S), % 0 to 0.025
0 to 0.050
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0 to 0.14
0