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AISI 310S Stainless Steel vs. EN 1.4903 Stainless Steel

Both AISI 310S stainless steel and EN 1.4903 stainless steel are iron alloys. They have 62% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 310S stainless steel and the bottom bar is EN 1.4903 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34 to 44
20 to 21
Fatigue Strength, MPa 250 to 280
320 to 330
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
75
Shear Strength, MPa 420 to 470
420
Tensile Strength: Ultimate (UTS), MPa 600 to 710
670 to 680
Tensile Strength: Yield (Proof), MPa 270 to 350
500

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Corrosion, °C 450
380
Maximum Temperature: Mechanical, °C 1100
650
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
26
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
4.0

Otherwise Unclassified Properties

Base Metal Price, % relative 25
7.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.3
2.6
Embodied Energy, MJ/kg 61
36
Embodied Water, L/kg 190
88

Common Calculations

PREN (Pitting Resistance) 25
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 310
650
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 25
24
Strength to Weight: Bending, points 20 to 22
22
Thermal Diffusivity, mm2/s 4.1
7.0
Thermal Shock Resistance, points 14 to 16
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.080
0.080 to 0.12
Chromium (Cr), % 24 to 26
8.0 to 9.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 48.3 to 57
87.1 to 90.5
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.85 to 1.1
Nickel (Ni), % 19 to 22
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0.18 to 0.25