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EN 1.4935 Stainless Steel vs. EN 1.4020 Stainless Steel

Both EN 1.4935 stainless steel and EN 1.4020 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 28 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 EN 1.4935 stainless steel and the bottom bar is EN 1.4020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 16 to 18
13 to 34
Fatigue Strength, MPa 350 to 400
340 to 540
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 480 to 540
510 to 680
Tensile Strength: Ultimate (UTS), MPa 780 to 880
770 to 1130
Tensile Strength: Yield (Proof), MPa 570 to 670
430 to 950

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 380
410
Maximum Temperature: Mechanical, °C 740
890
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
11
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 2.9
2.5
Embodied Energy, MJ/kg 42
37
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 16
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
140 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 830 to 1160
460 to 2290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 31
28 to 41
Strength to Weight: Bending, points 24 to 26
25 to 32
Thermal Shock Resistance, points 27 to 30
16 to 23

Alloy Composition

Carbon (C), % 0.17 to 0.24
0 to 0.15
Chromium (Cr), % 11 to 12.5
16.5 to 19
Iron (Fe), % 83 to 86.7
62.8 to 71.8
Manganese (Mn), % 0.3 to 0.8
11 to 14
Molybdenum (Mo), % 0.8 to 1.2
0
Nickel (Ni), % 0.3 to 0.8
0.5 to 2.5
Nitrogen (N), % 0
0.2 to 0.45
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0.1 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0.4 to 0.6
0
Vanadium (V), % 0.2 to 0.35
0

Comparable Variants