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SAE-AISI 50B60 Steel vs. EN 1.6958 Steel

Both SAE-AISI 50B60 steel and EN 1.6958 steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 31 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 SAE-AISI 50B60 steel and the bottom bar is EN 1.6958 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 190
340
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 20
16
Fatigue Strength, MPa 240 to 330
700
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 380
700
Tensile Strength: Ultimate (UTS), MPa 610 to 630
1140
Tensile Strength: Yield (Proof), MPa 350 to 530
1070

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
450
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
47
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
2.0
Embodied Energy, MJ/kg 19
27
Embodied Water, L/kg 48
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 100
180
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 750
3050
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 23
40
Strength to Weight: Bending, points 20 to 21
31
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 20
39

Alloy Composition

Aluminum (Al), % 0
0.0050 to 0.050
Boron (B), % 0.00050 to 0.0030
0
Carbon (C), % 0.56 to 0.64
0.25 to 0.3
Chromium (Cr), % 0.4 to 0.6
1.2 to 1.7
Iron (Fe), % 97.3 to 98.1
92.6 to 94.5
Manganese (Mn), % 0.75 to 1.0
0.2 to 0.5
Molybdenum (Mo), % 0
0.35 to 0.55
Nickel (Ni), % 0
3.3 to 3.8
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0.15 to 0.35
0.15 to 0.3
Sulfur (S), % 0 to 0.040
0 to 0.015
Vanadium (V), % 0
0 to 0.12