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EN 1.4376 Stainless Steel vs. EN 1.8958 Steel

Both EN 1.4376 stainless steel and EN 1.8958 steel are iron alloys. They have 72% 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 EN 1.4376 stainless steel and the bottom bar is EN 1.8958 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
19
Fatigue Strength, MPa 420
150
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 530
270
Tensile Strength: Ultimate (UTS), MPa 750
430
Tensile Strength: Yield (Proof), MPa 450
220

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 930
410
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
46
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.4
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
1.5
Embodied Energy, MJ/kg 37
19
Embodied Water, L/kg 140
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
70
Resilience: Unit (Modulus of Resilience), kJ/m3 520
130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
15
Strength to Weight: Bending, points 24
16
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 17
13

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.16
Chromium (Cr), % 17 to 20.5
0.35 to 0.85
Copper (Cu), % 0
0.2 to 0.6
Iron (Fe), % 65.5 to 76
96.5 to 99.3
Manganese (Mn), % 5.0 to 8.0
0.15 to 0.7
Nickel (Ni), % 2.0 to 4.5
0 to 0.7
Nitrogen (N), % 0 to 0.3
0 to 0.010
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.45
Sulfur (S), % 0 to 0.015
0 to 0.040