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S40977 Stainless Steel vs. EN 1.4020 Stainless Steel

Both S40977 stainless steel and EN 1.4020 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S40977 stainless steel and the bottom bar is EN 1.4020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
13 to 34
Fatigue Strength, MPa 200
340 to 540
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 320
510 to 680
Tensile Strength: Ultimate (UTS), MPa 510
770 to 1130
Tensile Strength: Yield (Proof), MPa 310
430 to 950

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 720
890
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 10
17

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
11
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.9
2.5
Embodied Energy, MJ/kg 27
37
Embodied Water, L/kg 97
150

Common Calculations

PREN (Pitting Resistance) 12
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
140 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 250
460 to 2290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
28 to 41
Strength to Weight: Bending, points 18
25 to 32
Thermal Shock Resistance, points 18
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 10.5 to 12.5
16.5 to 19
Iron (Fe), % 83.9 to 89.2
62.8 to 71.8
Manganese (Mn), % 0 to 1.5
11 to 14
Nickel (Ni), % 0.3 to 1.0
0.5 to 2.5
Nitrogen (N), % 0 to 0.030
0.2 to 0.45
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030