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EN 1.4542 Stainless Steel vs. S20910 Stainless Steel

Both EN 1.4542 stainless steel and S20910 stainless steel are iron alloys. They have 79% 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 1.4542 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, % 5.7 to 20
14 to 39
Fatigue Strength, MPa 370 to 640
310 to 460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Shear Strength, MPa 550 to 860
500 to 570
Tensile Strength: Ultimate (UTS), MPa 880 to 1470
780 to 940
Tensile Strength: Yield (Proof), MPa 580 to 1300
430 to 810

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 440
460
Maximum Temperature: Mechanical, °C 860
1080
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
13
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 13
22
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
4.8
Embodied Energy, MJ/kg 39
68
Embodied Water, L/kg 130
180

Common Calculations

PREN (Pitting Resistance) 17
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 160
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4360
460 to 1640
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 52
28 to 33
Strength to Weight: Bending, points 26 to 37
24 to 27
Thermal Diffusivity, mm2/s 4.3
3.6
Thermal Shock Resistance, points 29 to 49
17 to 21

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.060
Chromium (Cr), % 15 to 17
20.5 to 23.5
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 69.6 to 79
52.1 to 62.1
Manganese (Mn), % 0 to 1.5
4.0 to 6.0
Molybdenum (Mo), % 0 to 0.6
1.5 to 3.0
Nickel (Ni), % 3.0 to 5.0
11.5 to 13.5
Niobium (Nb), % 0 to 0.45
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 0.7
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3