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EN 1.7221 Steel vs. ASTM A210 Steel

Both EN 1.7221 steel and ASTM A210 steel are iron alloys. There are 30 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 EN 1.7221 steel and the bottom bar is ASTM A210 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 230
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
34
Fatigue Strength, MPa 290 to 390
230 to 250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 650 to 780
470 to 540
Tensile Strength: Yield (Proof), MPa 430 to 630
290 to 310

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
400
Melting Completion (Liquidus), °C 1460
1460 to 1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
52 to 53
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.0 to 8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
18
Embodied Water, L/kg 51
45 to 46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 98
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 490 to 1050
230 to 250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 27
17 to 19
Strength to Weight: Bending, points 21 to 24
17 to 19
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 19 to 23
15 to 17

Comparable Variants