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EN 1.4630 Stainless Steel vs. EN 1.6311 Steel

Both EN 1.4630 stainless steel and EN 1.6311 steel are iron alloys. They have 84% 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 1.4630 stainless steel and the bottom bar is EN 1.6311 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
19
Fatigue Strength, MPa 170
340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 300
400
Tensile Strength: Ultimate (UTS), MPa 480
650
Tensile Strength: Yield (Proof), MPa 250
490

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 800
410
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 28
39
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.9
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.5
1.6
Embodied Energy, MJ/kg 36
22
Embodied Water, L/kg 120
51

Common Calculations

PREN (Pitting Resistance) 15
2.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
120
Resilience: Unit (Modulus of Resilience), kJ/m3 160
650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
23
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 7.5
10
Thermal Shock Resistance, points 17
19

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0 to 0.030
0.15 to 0.23
Chromium (Cr), % 13 to 16
0 to 0.5
Copper (Cu), % 0 to 0.5
0 to 0.2
Iron (Fe), % 77.1 to 86.7
95.9 to 98
Manganese (Mn), % 0 to 1.0
1.0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0.45 to 0.6
Nickel (Ni), % 0 to 0.5
0.4 to 0.8
Niobium (Nb), % 0 to 0.5
0
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.050
0 to 0.035
Silicon (Si), % 0.2 to 1.5
0 to 0.4
Sulfur (S), % 0 to 0.050
0 to 0.035
Titanium (Ti), % 0.15 to 0.8
0
Vanadium (V), % 0
0 to 0.020