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EN 1.4935 Stainless Steel vs. S20910 Stainless Steel

Both EN 1.4935 stainless steel and S20910 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 30 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 EN 1.4935 stainless steel and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 16 to 18
14 to 39
Fatigue Strength, MPa 350 to 400
310 to 460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Shear Strength, MPa 480 to 540
500 to 570
Tensile Strength: Ultimate (UTS), MPa 780 to 880
780 to 940
Tensile Strength: Yield (Proof), MPa 570 to 670
430 to 810

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 380
460
Maximum Temperature: Mechanical, °C 740
1080
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 24
13
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
22
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.9
4.8
Embodied Energy, MJ/kg 42
68
Embodied Water, L/kg 100
180

Common Calculations

PREN (Pitting Resistance) 16
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 830 to 1160
460 to 1640
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 31
28 to 33
Strength to Weight: Bending, points 24 to 26
24 to 27
Thermal Diffusivity, mm2/s 6.5
3.6
Thermal Shock Resistance, points 27 to 30
17 to 21

Alloy Composition

Carbon (C), % 0.17 to 0.24
0 to 0.060
Chromium (Cr), % 11 to 12.5
20.5 to 23.5
Iron (Fe), % 83 to 86.7
52.1 to 62.1
Manganese (Mn), % 0.3 to 0.8
4.0 to 6.0
Molybdenum (Mo), % 0.8 to 1.2
1.5 to 3.0
Nickel (Ni), % 0.3 to 0.8
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.1 to 0.5
0 to 0.75
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
0.1 to 0.3

Comparable Variants