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ASTM A387 Grade 22L Class 1 vs. EN 1.7710 Steel

Both ASTM A387 grade 22L class 1 and EN 1.7710 steel are iron alloys. Their average alloy composition is basically identical. 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 1.7710 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
280 to 320
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
6.8 to 11
Fatigue Strength, MPa 160
500 to 620
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 500
930 to 1070
Tensile Strength: Yield (Proof), MPa 230
800 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 460
440
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
41
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
3.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
2.2
Embodied Energy, MJ/kg 23
30
Embodied Water, L/kg 58
57

Common Calculations

PREN (Pitting Resistance) 5.6
4.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
73 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 140
1680 to 2970
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
33 to 38
Strength to Weight: Bending, points 18
27 to 30
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 14
27 to 31

Alloy Composition

Carbon (C), % 0 to 0.1
0.12 to 0.18
Chromium (Cr), % 2.0 to 2.5
1.3 to 1.8
Iron (Fe), % 95.2 to 96.8
95.1 to 97
Manganese (Mn), % 0.3 to 0.6
0.6 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
0.8 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.030
Vanadium (V), % 0
0.15 to 0.25