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AISI 310S Stainless Steel vs. EN 1.4371 Stainless Steel

Both AISI 310S stainless steel and EN 1.4371 stainless steel are iron alloys. They have 75% 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 1.4371 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
220 to 230
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 44
45 to 51
Fatigue Strength, MPa 250 to 280
290 to 340
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 420 to 470
520 to 540
Tensile Strength: Ultimate (UTS), MPa 600 to 710
740 to 750
Tensile Strength: Yield (Proof), MPa 270 to 350
320 to 340

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
880
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 25
12
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.3
2.6
Embodied Energy, MJ/kg 61
38
Embodied Water, L/kg 190
140

Common Calculations

PREN (Pitting Resistance) 25
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
270 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 310
250 to 300
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 25
27
Strength to Weight: Bending, points 20 to 22
24
Thermal Diffusivity, mm2/s 4.1
4.0
Thermal Shock Resistance, points 14 to 16
16

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 24 to 26
16 to 17.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 48.3 to 57
66.7 to 74.4
Manganese (Mn), % 0 to 2.0
6.0 to 8.0
Nickel (Ni), % 19 to 22
3.5 to 5.5
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015

Comparable Variants