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ASTM A387 Grade 11 Steel vs. EN 1.7706 Steel

Both ASTM A387 grade 11 steel and EN 1.7706 steel are iron alloys. They have a very high 99% 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 11 steel and the bottom bar is EN 1.7706 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
17
Fatigue Strength, MPa 200 to 250
330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 500 to 600
690
Tensile Strength: Yield (Proof), MPa 270 to 350
500

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 430
440
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
3.7
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
2.3
Embodied Energy, MJ/kg 21
32
Embodied Water, L/kg 53
57

Common Calculations

PREN (Pitting Resistance) 3.1
4.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 320
670
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 21
24
Strength to Weight: Bending, points 18 to 20
22
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 15 to 18
20

Alloy Composition

Carbon (C), % 0.050 to 0.17
0.15 to 0.2
Chromium (Cr), % 1.0 to 1.5
1.2 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 96.2 to 97.6
94.7 to 97.1
Manganese (Mn), % 0.4 to 0.65
0.5 to 0.9
Molybdenum (Mo), % 0.45 to 0.65
0.9 to 1.1
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0.5 to 0.8
0 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.015
Vanadium (V), % 0
0.2 to 0.3