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EN 1.5402 Steel vs. EN 1.6958 Steel

Both EN 1.5402 steel and EN 1.6958 steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 32 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 EN 1.5402 steel and the bottom bar is EN 1.6958 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
340
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
16
Fatigue Strength, MPa 260
700
Impact Strength: V-Notched Charpy, J 45
63
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 370
700
Tensile Strength: Ultimate (UTS), MPa 580
1140
Tensile Strength: Yield (Proof), MPa 370
1070

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
450
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
47
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
5.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.7
2.0
Embodied Energy, MJ/kg 22
27
Embodied Water, L/kg 49
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
180
Resilience: Unit (Modulus of Resilience), kJ/m3 360
3050
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
40
Strength to Weight: Bending, points 20
31
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 17
39

Alloy Composition

Aluminum (Al), % 0
0.0050 to 0.050
Carbon (C), % 0 to 0.18
0.25 to 0.3
Chromium (Cr), % 0
1.2 to 1.7
Iron (Fe), % 97.3 to 98.7
92.6 to 94.5
Manganese (Mn), % 0.9 to 1.4
0.2 to 0.5
Molybdenum (Mo), % 0.4 to 0.6
0.35 to 0.55
Nickel (Ni), % 0
3.3 to 3.8
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.4
0.15 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.015
Vanadium (V), % 0.040 to 0.080
0 to 0.12