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ASTM A182 Grade F5a vs. EN 1.6958 Steel

Both ASTM A182 grade F5a and EN 1.6958 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 33 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 ASTM A182 grade F5a and the bottom bar is EN 1.6958 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
340
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
16
Fatigue Strength, MPa 380
700
Poisson's Ratio 0.29
0.29
Reduction in Area, % 56
56
Shear Modulus, GPa 74
73
Shear Strength, MPa 450
700
Tensile Strength: Ultimate (UTS), MPa 710
1140
Tensile Strength: Yield (Proof), MPa 520
1070

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 510
450
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
47
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.4
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.8
2.0
Embodied Energy, MJ/kg 24
27
Embodied Water, L/kg 69
60

Common Calculations

PREN (Pitting Resistance) 6.8
2.9
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
180
Resilience: Unit (Modulus of Resilience), kJ/m3 700
3050
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
40
Strength to Weight: Bending, points 23
31
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 20
39

Alloy Composition

Aluminum (Al), % 0
0.0050 to 0.050
Carbon (C), % 0 to 0.25
0.25 to 0.3
Chromium (Cr), % 4.0 to 6.0
1.2 to 1.7
Iron (Fe), % 91.4 to 95.6
92.6 to 94.5
Manganese (Mn), % 0 to 0.6
0.2 to 0.5
Molybdenum (Mo), % 0.44 to 0.65
0.35 to 0.55
Nickel (Ni), % 0 to 0.5
3.3 to 3.8
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 0.5
0.15 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0 to 0.12