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EN 1.7779 Steel vs. ASTM A182 Grade F6b

Both EN 1.7779 steel and ASTM A182 grade F6b are iron alloys. They have 89% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.7779 steel and the bottom bar is ASTM A182 grade F6b.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
260
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
18
Fatigue Strength, MPa 430
440
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 500
530
Tensile Strength: Ultimate (UTS), MPa 810
850
Tensile Strength: Yield (Proof), MPa 660
710

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 470
750
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
8.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.2
Embodied Energy, MJ/kg 41
30
Embodied Water, L/kg 64
100

Common Calculations

PREN (Pitting Resistance) 5.0
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
140
Resilience: Unit (Modulus of Resilience), kJ/m3 1150
1280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
30
Strength to Weight: Bending, points 25
26
Thermal Diffusivity, mm2/s 11
6.7
Thermal Shock Resistance, points 23
31

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.17 to 0.23
0 to 0.15
Chromium (Cr), % 3.0 to 3.3
11.5 to 13.5
Copper (Cu), % 0 to 0.3
0 to 0.5
Iron (Fe), % 93.8 to 95.4
81.2 to 87.1
Manganese (Mn), % 0.3 to 0.5
0 to 1.0
Molybdenum (Mo), % 0.5 to 0.6
0.4 to 0.6
Nickel (Ni), % 0 to 0.3
1.0 to 2.0
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.020
Vanadium (V), % 0.45 to 0.55
0