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ASTM A202 Steel vs. EN 1.1181 Steel

Both ASTM A202 steel and EN 1.1181 steel are iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ASTM A202 steel and the bottom bar is EN 1.1181 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 18
19 to 20
Fatigue Strength, MPa 240
190 to 260
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 360 to 410
350 to 390
Tensile Strength: Ultimate (UTS), MPa 590 to 670
560 to 620
Tensile Strength: Yield (Proof), MPa 350 to 360
280 to 380

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
42
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
19
Embodied Water, L/kg 49
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 96
90 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 350
210 to 380
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 24
20 to 22
Strength to Weight: Bending, points 20 to 22
19 to 21
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 17 to 20
19 to 21

Comparable Variants