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EN 1.4361 Stainless Steel vs. EN 1.6958 Steel

Both EN 1.4361 stainless steel and EN 1.6958 steel are iron alloys. They have 68% of their average alloy composition in common. There are 33 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 1.4361 stainless steel and the bottom bar is EN 1.6958 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
340
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 43
16
Fatigue Strength, MPa 220
700
Impact Strength: V-Notched Charpy, J 90
63
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 440
700
Tensile Strength: Ultimate (UTS), MPa 630
1140
Tensile Strength: Yield (Proof), MPa 250
1070

Thermal Properties

Latent Heat of Fusion, J/g 350
250
Maximum Temperature: Mechanical, °C 940
450
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 14
47
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 19
5.0
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 3.6
2.0
Embodied Energy, MJ/kg 52
27
Embodied Water, L/kg 150
60

Common Calculations

PREN (Pitting Resistance) 19
2.9
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
180
Resilience: Unit (Modulus of Resilience), kJ/m3 160
3050
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
40
Strength to Weight: Bending, points 21
31
Thermal Diffusivity, mm2/s 3.7
13
Thermal Shock Resistance, points 15
39

Alloy Composition

Aluminum (Al), % 0
0.0050 to 0.050
Carbon (C), % 0 to 0.015
0.25 to 0.3
Chromium (Cr), % 16.5 to 18.5
1.2 to 1.7
Iron (Fe), % 58.7 to 65.8
92.6 to 94.5
Manganese (Mn), % 0 to 2.0
0.2 to 0.5
Molybdenum (Mo), % 0 to 0.2
0.35 to 0.55
Nickel (Ni), % 14 to 16
3.3 to 3.8
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 3.7 to 4.5
0.15 to 0.3
Sulfur (S), % 0 to 0.010
0 to 0.015
Vanadium (V), % 0
0 to 0.12