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ASTM A387 Grade 91 Class 2 vs. EN 1.0214 Steel

Both ASTM A387 grade 91 class 2 and EN 1.0214 steel are iron alloys. They have 89% 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 ASTM A387 grade 91 class 2 and the bottom bar is EN 1.0214 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
97 to 130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
12 to 31
Fatigue Strength, MPa 330
160 to 250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 420
250 to 290
Tensile Strength: Ultimate (UTS), MPa 670
330 to 460
Tensile Strength: Yield (Proof), MPa 470
210 to 360

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 600
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
53
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 10
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 37
18
Embodied Water, L/kg 88
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
34 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 580
120 to 340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
12 to 16
Strength to Weight: Bending, points 22
14 to 17
Thermal Diffusivity, mm2/s 6.9
14
Thermal Shock Resistance, points 19
11 to 14

Alloy Composition

Aluminum (Al), % 0 to 0.020
0.020 to 0.060
Carbon (C), % 0.080 to 0.12
0.080 to 0.12
Chromium (Cr), % 8.0 to 9.5
0
Iron (Fe), % 87.3 to 90.3
99.17 to 99.6
Manganese (Mn), % 0.3 to 0.6
0.3 to 0.5
Molybdenum (Mo), % 0.85 to 1.1
0
Nickel (Ni), % 0 to 0.4
0
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0.2 to 0.5
0 to 0.1
Sulfur (S), % 0 to 0.010
0 to 0.025
Titanium (Ti), % 0 to 0.010
0
Vanadium (V), % 0.18 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0