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AISI 310S Stainless Steel vs. EN 1.4945 Stainless Steel

Both AISI 310S stainless steel and EN 1.4945 stainless steel are iron alloys. They have 87% of their average alloy composition in common.

For each property being compared, the top bar is AISI 310S stainless steel and the bottom bar is EN 1.4945 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 44
19 to 34
Fatigue Strength, MPa 250 to 280
230 to 350
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 420 to 470
430 to 460
Tensile Strength: Ultimate (UTS), MPa 600 to 710
640 to 740
Tensile Strength: Yield (Proof), MPa 270 to 350
290 to 550

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 450
520
Maximum Temperature: Mechanical, °C 1100
920
Melting Completion (Liquidus), °C 1450
1490
Melting Onset (Solidus), °C 1400
1440
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 25
30
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 4.3
5.0
Embodied Energy, MJ/kg 61
73
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 25
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
130 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 310
210 to 760
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 25
22 to 25
Strength to Weight: Bending, points 20 to 22
20 to 22
Thermal Diffusivity, mm2/s 4.1
3.7
Thermal Shock Resistance, points 14 to 16
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.080
0.040 to 0.1
Chromium (Cr), % 24 to 26
15.5 to 17.5
Iron (Fe), % 48.3 to 57
57.9 to 65.7
Manganese (Mn), % 0 to 2.0
0 to 1.5
Nickel (Ni), % 19 to 22
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0
0.060 to 0.14
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.5
0.3 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0
2.5 to 3.5