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EN 1.4864 Stainless Steel vs. EN 1.6958 Steel

Both EN 1.4864 stainless steel and EN 1.6958 steel are iron alloys. They have 52% 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 1.4864 stainless steel and the bottom bar is EN 1.6958 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
340
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 33
16
Fatigue Strength, MPa 200
700
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 430
700
Tensile Strength: Ultimate (UTS), MPa 650
1140
Tensile Strength: Yield (Proof), MPa 260
1070

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
450
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
47
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 30
5.0
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.3
2.0
Embodied Energy, MJ/kg 75
27
Embodied Water, L/kg 180
60

Common Calculations

PREN (Pitting Resistance) 17
2.9
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
180
Resilience: Unit (Modulus of Resilience), kJ/m3 170
3050
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23
40
Strength to Weight: Bending, points 21
31
Thermal Diffusivity, mm2/s 3.3
13
Thermal Shock Resistance, points 17
39

Alloy Composition

Aluminum (Al), % 0
0.0050 to 0.050
Carbon (C), % 0 to 0.15
0.25 to 0.3
Chromium (Cr), % 15 to 17
1.2 to 1.7
Iron (Fe), % 41.7 to 51
92.6 to 94.5
Manganese (Mn), % 0 to 2.0
0.2 to 0.5
Molybdenum (Mo), % 0
0.35 to 0.55
Nickel (Ni), % 33 to 37
3.3 to 3.8
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 1.0 to 2.0
0.15 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.015
Vanadium (V), % 0
0 to 0.12