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EN 1.6958 Steel vs. EN 1.4762 Stainless Steel

Both EN 1.6958 steel and EN 1.4762 stainless steel are iron alloys. They have 75% 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 1.6958 steel and the bottom bar is EN 1.4762 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
13
Fatigue Strength, MPa 700
180
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
78
Shear Strength, MPa 700
370
Tensile Strength: Ultimate (UTS), MPa 1140
620
Tensile Strength: Yield (Proof), MPa 1070
310

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 450
1150
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 47
17
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
12
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 2.0
2.5
Embodied Energy, MJ/kg 27
37
Embodied Water, L/kg 60
170

Common Calculations

PREN (Pitting Resistance) 2.9
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
67
Resilience: Unit (Modulus of Resilience), kJ/m3 3050
250
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 40
23
Strength to Weight: Bending, points 31
21
Thermal Diffusivity, mm2/s 13
4.6
Thermal Shock Resistance, points 39
22

Alloy Composition

Aluminum (Al), % 0.0050 to 0.050
1.2 to 1.7
Carbon (C), % 0.25 to 0.3
0 to 0.12
Chromium (Cr), % 1.2 to 1.7
23 to 26
Iron (Fe), % 92.6 to 94.5
69.7 to 75.1
Manganese (Mn), % 0.2 to 0.5
0 to 1.0
Molybdenum (Mo), % 0.35 to 0.55
0
Nickel (Ni), % 3.3 to 3.8
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0.15 to 0.3
0.7 to 1.4
Sulfur (S), % 0 to 0.015
0 to 0.015
Vanadium (V), % 0 to 0.12
0