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EN 1.7102 Steel vs. ASTM A242 HSLA Steel

Both EN 1.7102 steel and ASTM A242 HSLA steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.7102 steel and the bottom bar is ASTM A242 HSLA steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 670 to 2010
490

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 47
52
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
1.9
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
18
Embodied Water, L/kg 48
46

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 72
17
Strength to Weight: Bending, points 22 to 46
17
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 20 to 60
14

Alloy Composition

Carbon (C), % 0.51 to 0.59
0 to 0.15
Chromium (Cr), % 0.5 to 0.8
0
Copper (Cu), % 0
0.2 to 0.45
Iron (Fe), % 96.2 to 97.3
98.2 to 99.8
Manganese (Mn), % 0.5 to 0.8
0 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.15
Silicon (Si), % 1.2 to 1.6
0
Sulfur (S), % 0 to 0.025
0 to 0.050