MakeItFrom.com
Menu (ESC)

ASTM A387 Grade 91 Class 2 vs. EN 1.0434 Steel

Both ASTM A387 grade 91 class 2 and EN 1.0434 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 1.0434 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
110 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
12 to 28
Fatigue Strength, MPa 330
190 to 300
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 420
280 to 330
Tensile Strength: Ultimate (UTS), MPa 670
390 to 540
Tensile Strength: Yield (Proof), MPa 470
250 to 450

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 600
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 26
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.0

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
39 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 580
170 to 540
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
14 to 19
Strength to Weight: Bending, points 22
15 to 19
Thermal Diffusivity, mm2/s 6.9
14
Thermal Shock Resistance, points 19
12 to 17

Alloy Composition

Aluminum (Al), % 0 to 0.020
0.020 to 0.060
Carbon (C), % 0.080 to 0.12
0.15 to 0.19
Chromium (Cr), % 8.0 to 9.5
0
Iron (Fe), % 87.3 to 90.3
98.8 to 99.18
Manganese (Mn), % 0.3 to 0.6
0.65 to 0.85
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