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AISI 316 Stainless Steel vs. EN 1.4021 Stainless Steel

Both AISI 316 stainless steel and EN 1.4021 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 316 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, % 8.0 to 55
11 to 17
Fatigue Strength, MPa 210 to 430
240 to 380
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 350 to 690
390 to 530
Tensile Strength: Ultimate (UTS), MPa 520 to 1180
630 to 880
Tensile Strength: Yield (Proof), MPa 230 to 850
390 to 670

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 590
760
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
30
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 19
7.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.9
1.9
Embodied Energy, MJ/kg 53
27
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 26
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 85 to 260
88 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 1820
400 to 1160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18 to 41
23 to 31
Strength to Weight: Bending, points 18 to 31
21 to 26
Thermal Diffusivity, mm2/s 4.1
8.1
Thermal Shock Resistance, points 11 to 26
22 to 31

Alloy Composition

Carbon (C), % 0 to 0.080
0.16 to 0.25
Chromium (Cr), % 16 to 18
12 to 14
Iron (Fe), % 62 to 72
83.2 to 87.8
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 10 to 14
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015

Comparable Variants