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EN 1.1221 Steel vs. ASTM A182 Grade F36

Both EN 1.1221 steel and ASTM A182 grade F36 are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.1221 steel and the bottom bar is ASTM A182 grade F36.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 250
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10 to 21
17
Fatigue Strength, MPa 240 to 340
330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 450 to 520
440
Tensile Strength: Ultimate (UTS), MPa 730 to 870
710
Tensile Strength: Yield (Proof), MPa 390 to 550
490

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 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 48
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
3.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.7
Embodied Energy, MJ/kg 19
22
Embodied Water, L/kg 47
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67 to 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 800
650
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 31
25
Strength to Weight: Bending, points 23 to 26
22
Thermal Diffusivity, mm2/s 13
10
Thermal Shock Resistance, points 23 to 28
21

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.57 to 0.65
0.1 to 0.17
Chromium (Cr), % 0 to 0.4
0 to 0.3
Copper (Cu), % 0
0.5 to 0.8
Iron (Fe), % 97.1 to 98.8
95 to 97.1
Manganese (Mn), % 0.6 to 0.9
0.8 to 1.2
Molybdenum (Mo), % 0 to 0.1
0.25 to 0.5
Nickel (Ni), % 0 to 0.4
1.0 to 1.3
Niobium (Nb), % 0
0.015 to 0.045
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.4
0.25 to 0.5
Sulfur (S), % 0 to 0.035
0 to 0.025
Vanadium (V), % 0
0 to 0.020