MakeItFrom.com
Menu (ESC)

ASTM A387 Grade 21L Class 1 vs. EN 1.1233 Steel

Both ASTM A387 grade 21L class 1 and EN 1.1233 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 21L class 1 and the bottom bar is EN 1.1233 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
72
Tensile Strength: Ultimate (UTS), MPa 500
680 to 760

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 480
400
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 4.1
1.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.4
Embodied Energy, MJ/kg 23
19
Embodied Water, L/kg 62
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
24 to 27
Strength to Weight: Bending, points 18
22 to 24
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 14
22 to 24

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0 to 0.1
0.52 to 0.6
Chromium (Cr), % 2.8 to 3.3
0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 94.4 to 96.1
98 to 99.1
Manganese (Mn), % 0.3 to 0.6
0.9 to 1.2
Molybdenum (Mo), % 0.9 to 1.1
0
Oxygen (O), % 0
0 to 0.0020
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.030