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EN 1.5508 Steel vs. ASTM A182 Grade FR

Both EN 1.5508 steel and ASTM A182 grade FR are iron alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.5508 steel and the bottom bar is ASTM A182 grade FR.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 180
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 20
28
Fatigue Strength, MPa 210 to 320
270
Poisson's Ratio 0.29
0.29
Reduction in Area, % 62 to 74
43
Shear Modulus, GPa 73
72
Shear Strength, MPa 300 to 360
320
Tensile Strength: Ultimate (UTS), MPa 420 to 1460
490
Tensile Strength: Yield (Proof), MPa 310 to 490
360

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
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 51
52
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
3.3
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.6
Embodied Energy, MJ/kg 19
21
Embodied Water, L/kg 47
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44 to 230
120
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 640
340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 15 to 52
17
Strength to Weight: Bending, points 16 to 36
17
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 12 to 43
14

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.2 to 0.25
0 to 0.2
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.25
0.75 to 1.3
Iron (Fe), % 97.9 to 99.199
95.2 to 97.3
Manganese (Mn), % 0.6 to 0.9
0.4 to 1.1
Nickel (Ni), % 0
1.6 to 2.2
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.3
0
Sulfur (S), % 0 to 0.025
0 to 0.050