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EN 1.3960 Stainless Steel vs. EN 1.4011 Stainless Steel

Both EN 1.3960 stainless steel and EN 1.4011 stainless steel are iron alloys. They have 78% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.3960 stainless steel and the bottom bar is EN 1.4011 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
17
Fatigue Strength, MPa 220
310
Impact Strength: V-Notched Charpy, J 90
23
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 590
700
Tensile Strength: Yield (Proof), MPa 270
510

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 970
750
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 21
7.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.1
2.0
Embodied Energy, MJ/kg 57
28
Embodied Water, L/kg 160
100

Common Calculations

PREN (Pitting Resistance) 30
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
110
Resilience: Unit (Modulus of Resilience), kJ/m3 190
660
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
25
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 3.9
6.7
Thermal Shock Resistance, points 17
24

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 16.5 to 18.5
11.5 to 13.5
Iron (Fe), % 60.2 to 67.9
82.8 to 88.5
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.0
0 to 0.5
Nickel (Ni), % 13 to 15
0 to 1.0
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.025