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ASTM A182 Grade FR vs. EN 1.1147 Steel

Both ASTM A182 grade FR and EN 1.1147 steel 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 ASTM A182 grade FR and the bottom bar is EN 1.1147 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 28
12 to 17
Fatigue Strength, MPa 270
180 to 250
Poisson's Ratio 0.29
0.29
Reduction in Area, % 43
63 to 73
Shear Modulus, GPa 72
73
Shear Strength, MPa 320
280
Tensile Strength: Ultimate (UTS), MPa 490
390 to 470
Tensile Strength: Yield (Proof), MPa 360
280 to 370

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400
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 52
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 3.3
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.4
Embodied Energy, MJ/kg 21
18
Embodied Water, L/kg 52
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
40 to 73
Resilience: Unit (Modulus of Resilience), kJ/m3 340
210 to 370
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
14 to 17
Strength to Weight: Bending, points 17
15 to 17
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 14
12 to 15

Alloy Composition

Carbon (C), % 0 to 0.2
0.15 to 0.19
Copper (Cu), % 0.75 to 1.3
0 to 0.25
Iron (Fe), % 95.2 to 97.3
98.3 to 99.25
Manganese (Mn), % 0.4 to 1.1
0.6 to 0.9
Nickel (Ni), % 1.6 to 2.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0 to 0.050
0 to 0.025