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ASTM A387 Grade 22L Class 1 vs. EN 1.1170 Steel

Both ASTM A387 grade 22L class 1 and EN 1.1170 steel are iron alloys. They have a very high 97% 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 22L class 1 and the bottom bar is EN 1.1170 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
16 to 17
Fatigue Strength, MPa 160
220 to 330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 310
390 to 450
Tensile Strength: Ultimate (UTS), MPa 500
640 to 730
Tensile Strength: Yield (Proof), MPa 230
330 to 500

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 460
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
50
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
2.1
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.5
Embodied Energy, MJ/kg 23
19
Embodied Water, L/kg 58
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
91 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 140
290 to 670
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
23 to 26
Strength to Weight: Bending, points 18
21 to 23
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 14
20 to 23

Alloy Composition

Carbon (C), % 0 to 0.1
0.25 to 0.32
Chromium (Cr), % 2.0 to 2.5
0 to 0.4
Iron (Fe), % 95.2 to 96.8
96.7 to 98.5
Manganese (Mn), % 0.3 to 0.6
1.3 to 1.7
Molybdenum (Mo), % 0.9 to 1.1
0 to 0.1
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.035