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AISI 310S Stainless Steel vs. EN 1.4021 Stainless Steel

Both AISI 310S stainless steel and EN 1.4021 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 32 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 AISI 310S stainless steel and the bottom bar is EN 1.4021 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34 to 44
11 to 17
Fatigue Strength, MPa 250 to 280
240 to 380
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
76
Shear Strength, MPa 420 to 470
390 to 530
Tensile Strength: Ultimate (UTS), MPa 600 to 710
630 to 880
Tensile Strength: Yield (Proof), MPa 270 to 350
390 to 670

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 1100
760
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
30
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 25
7.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.3
1.9
Embodied Energy, MJ/kg 61
27
Embodied Water, L/kg 190
100

Common Calculations

PREN (Pitting Resistance) 25
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
88 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 310
400 to 1160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 25
23 to 31
Strength to Weight: Bending, points 20 to 22
21 to 26
Thermal Diffusivity, mm2/s 4.1
8.1
Thermal Shock Resistance, points 14 to 16
22 to 31

Alloy Composition

Carbon (C), % 0 to 0.080
0.16 to 0.25
Chromium (Cr), % 24 to 26
12 to 14
Iron (Fe), % 48.3 to 57
83.2 to 87.8
Manganese (Mn), % 0 to 2.0
0 to 1.5
Nickel (Ni), % 19 to 22
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015