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ASTM A202 Steel vs. EN 1.1140 Steel

Both ASTM A202 steel and EN 1.1140 steel are iron alloys.

For each property being compared, the top bar is ASTM A202 steel and the bottom bar is EN 1.1140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 18
28
Fatigue Strength, MPa 240
170
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 360 to 410
280
Tensile Strength: Ultimate (UTS), MPa 590 to 670
430
Tensile Strength: Yield (Proof), MPa 350 to 360
230

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
51
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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 49
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 96
100
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 350
140
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 24
15
Strength to Weight: Bending, points 20 to 22
16
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 17 to 20
14