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EN 1.4310 Stainless Steel vs. S33550 Stainless Steel

Both EN 1.4310 stainless steel and S33550 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, 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 S33550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 45
40
Fatigue Strength, MPa 240 to 330
270
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Shear Strength, MPa 510 to 550
470
Tensile Strength: Ultimate (UTS), MPa 730 to 900
680
Tensile Strength: Yield (Proof), MPa 260 to 570
310

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
470
Maximum Temperature: Mechanical, °C 910
1100
Melting Completion (Liquidus), °C 1420
1400
Melting Onset (Solidus), °C 1380
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 18
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 14
24
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.9
4.3
Embodied Energy, MJ/kg 42
61
Embodied Water, L/kg 140
190

Common Calculations

PREN (Pitting Resistance) 20
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 260
220
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 830
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 32
24
Strength to Weight: Bending, points 23 to 27
22
Thermal Diffusivity, mm2/s 4.0
3.9
Thermal Shock Resistance, points 15 to 18
15

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.040 to 0.1
Cerium (Ce), % 0
0.025 to 0.070
Chromium (Cr), % 16 to 19
25 to 28
Iron (Fe), % 66.4 to 78
48.8 to 58.2
Lanthanum (La), % 0
0.025 to 0.070
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.8
0
Nickel (Ni), % 6.0 to 9.5
16.5 to 20
Niobium (Nb), % 0
0.050 to 0.15
Nitrogen (N), % 0 to 0.1
0.18 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030