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S40977 Stainless Steel vs. EN 1.4419 Stainless Steel

Both S40977 stainless steel and EN 1.4419 stainless steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S40977 stainless steel and the bottom bar is EN 1.4419 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
11 to 17
Fatigue Strength, MPa 200
230 to 680
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 320
410 to 950
Tensile Strength: Ultimate (UTS), MPa 510
660 to 1590
Tensile Strength: Yield (Proof), MPa 310
370 to 1240

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 720
790
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
30
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
8.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.9
2.2
Embodied Energy, MJ/kg 27
30
Embodied Water, L/kg 97
110

Common Calculations

PREN (Pitting Resistance) 12
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
95 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 250
350 to 3920
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
24 to 57
Strength to Weight: Bending, points 18
22 to 39
Thermal Diffusivity, mm2/s 6.7
8.1
Thermal Shock Resistance, points 18
23 to 55

Alloy Composition

Carbon (C), % 0 to 0.030
0.36 to 0.42
Chromium (Cr), % 10.5 to 12.5
13 to 14.5
Iron (Fe), % 83.9 to 89.2
82 to 86
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
0.6 to 1.0
Nickel (Ni), % 0.3 to 1.0
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015