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ASTM A387 Grade 22 Steel vs. EN 1.6570 Steel

Both ASTM A387 grade 22 steel and EN 1.6570 steel are iron alloys. They have a very high 98% 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 22 steel and the bottom bar is EN 1.6570 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
270 to 340
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
11 to 17
Fatigue Strength, MPa 160 to 240
500 to 660
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 480 to 600
910 to 1130
Tensile Strength: Yield (Proof), MPa 230 to 350
760 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 460
440
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
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
3.9
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.7
1.7
Embodied Energy, MJ/kg 23
23
Embodied Water, L/kg 58
56

Common Calculations

PREN (Pitting Resistance) 5.6
2.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 85 to 110
120 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 320
1520 to 3010
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 21
32 to 40
Strength to Weight: Bending, points 17 to 20
27 to 31
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 14 to 17
27 to 33

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.28 to 0.35
Chromium (Cr), % 2.0 to 2.5
1.0 to 1.4
Iron (Fe), % 95.1 to 96.8
94 to 96.2
Manganese (Mn), % 0.3 to 0.6
0.6 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
0.3 to 0.5
Nickel (Ni), % 0
1.6 to 2.1
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.015

Comparable Variants