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EN 1.1221 Steel vs. ASTM A182 Grade F6b

Both EN 1.1221 steel and ASTM A182 grade F6b are iron alloys. They have 85% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.1221 steel and the bottom bar is ASTM A182 grade F6b.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 250
260
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10 to 21
18
Fatigue Strength, MPa 240 to 340
440
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Shear Strength, MPa 450 to 520
530
Tensile Strength: Ultimate (UTS), MPa 730 to 870
850
Tensile Strength: Yield (Proof), MPa 390 to 550
710

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
750
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 48
25
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
8.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
2.2
Embodied Energy, MJ/kg 19
30
Embodied Water, L/kg 47
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67 to 130
140
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 800
1280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 31
30
Strength to Weight: Bending, points 23 to 26
26
Thermal Diffusivity, mm2/s 13
6.7
Thermal Shock Resistance, points 23 to 28
31

Alloy Composition

Carbon (C), % 0.57 to 0.65
0 to 0.15
Chromium (Cr), % 0 to 0.4
11.5 to 13.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 97.1 to 98.8
81.2 to 87.1
Manganese (Mn), % 0.6 to 0.9
0 to 1.0
Molybdenum (Mo), % 0 to 0.1
0.4 to 0.6
Nickel (Ni), % 0 to 0.4
1.0 to 2.0
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.020