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EN 1.4310 Stainless Steel vs. EN 1.6554 Steel

Both EN 1.4310 stainless steel and EN 1.6554 steel are iron alloys. They have 76% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4310 stainless steel and the bottom bar is EN 1.6554 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
230 to 280
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 45
17 to 21
Fatigue Strength, MPa 240 to 330
380 to 520
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 730 to 900
780 to 930
Tensile Strength: Yield (Proof), MPa 260 to 570
550 to 790

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 910
420
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 14
3.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.9
1.7
Embodied Energy, MJ/kg 42
22
Embodied Water, L/kg 140
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 260
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 830
810 to 1650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26 to 32
27 to 33
Strength to Weight: Bending, points 23 to 27
24 to 27
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 15 to 18
23 to 27

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.23 to 0.28
Chromium (Cr), % 16 to 19
0.7 to 0.9
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 66.4 to 78
94.6 to 97.3
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.8
0.2 to 0.3
Nickel (Ni), % 6.0 to 9.5
1.0 to 2.0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 2.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.025
Vanadium (V), % 0
0 to 0.030

Comparable Variants