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EN 1.4371 Stainless Steel vs. EN 1.5402 Steel

Both EN 1.4371 stainless steel and EN 1.5402 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 1.4371 stainless steel and the bottom bar is EN 1.5402 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 230
180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45 to 51
23
Fatigue Strength, MPa 290 to 340
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 520 to 540
370
Tensile Strength: Ultimate (UTS), MPa 740 to 750
580
Tensile Strength: Yield (Proof), MPa 320 to 340
370

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 880
410
Melting Completion (Liquidus), °C 1410
1470
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.2

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
1.7
Embodied Energy, MJ/kg 38
22
Embodied Water, L/kg 140
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 310
120
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 300
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
21
Strength to Weight: Bending, points 24
20
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 16
17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.18
Chromium (Cr), % 16 to 17.5
0
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 66.7 to 74.4
97.3 to 98.7
Manganese (Mn), % 6.0 to 8.0
0.9 to 1.4
Molybdenum (Mo), % 0
0.4 to 0.6
Nickel (Ni), % 3.5 to 5.5
0
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.015
Vanadium (V), % 0
0.040 to 0.080