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EN 1.7767 Steel vs. ASTM A387 Grade 2 Steel

Both EN 1.7767 steel and ASTM A387 grade 2 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 32 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 EN 1.7767 steel and the bottom bar is ASTM A387 grade 2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
140 to 170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
25
Fatigue Strength, MPa 320 to 340
190 to 250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 420 to 430
300 to 350
Tensile Strength: Ultimate (UTS), MPa 670 to 690
470 to 550
Tensile Strength: Yield (Proof), MPa 460 to 500
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 480
420
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
2.6
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.4
1.6
Embodied Energy, MJ/kg 33
20
Embodied Water, L/kg 64
50

Common Calculations

PREN (Pitting Resistance) 6.4
2.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 650
180 to 320
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
16 to 20
Strength to Weight: Bending, points 22
17 to 19
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 19 to 20
14 to 16

Alloy Composition

Carbon (C), % 0.1 to 0.15
0.050 to 0.21
Chromium (Cr), % 2.8 to 3.3
0.5 to 0.8
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 93.8 to 95.8
97.1 to 98.3
Manganese (Mn), % 0.3 to 0.6
0.55 to 0.8
Molybdenum (Mo), % 0.9 to 1.1
0.45 to 0.6
Nickel (Ni), % 0 to 0.25
0
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0 to 0.15
0.15 to 0.4
Sulfur (S), % 0 to 0.0050
0 to 0.025
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0.2 to 0.3
0

Comparable Variants