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EN 1.4028 Stainless Steel vs. S20910 Stainless Steel

Both EN 1.4028 stainless steel and S20910 stainless steel are iron alloys. They have 71% 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 1.4028 stainless steel and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 17
14 to 39
Fatigue Strength, MPa 230 to 400
310 to 460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Shear Strength, MPa 410 to 550
500 to 570
Tensile Strength: Ultimate (UTS), MPa 660 to 930
780 to 940
Tensile Strength: Yield (Proof), MPa 390 to 730
430 to 810

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
460
Maximum Temperature: Mechanical, °C 760
1080
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
13
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
22
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
4.8
Embodied Energy, MJ/kg 27
68
Embodied Water, L/kg 100
180

Common Calculations

PREN (Pitting Resistance) 13
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 94 to 96
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 1360
460 to 1640
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 33
28 to 33
Strength to Weight: Bending, points 22 to 27
24 to 27
Thermal Diffusivity, mm2/s 8.1
3.6
Thermal Shock Resistance, points 23 to 32
17 to 21

Alloy Composition

Carbon (C), % 0.26 to 0.35
0 to 0.060
Chromium (Cr), % 12 to 14
20.5 to 23.5
Iron (Fe), % 83.1 to 87.7
52.1 to 62.1
Manganese (Mn), % 0 to 1.5
4.0 to 6.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 0
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 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3

Comparable Variants