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EN 1.4530 Stainless Steel vs. S20910 Stainless Steel

Both EN 1.4530 stainless steel and S20910 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.4530 stainless steel and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 1030 to 1370
780 to 940

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 450
460
Maximum Temperature: Mechanical, °C 790
1080
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 15
22
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.4
4.8
Embodied Energy, MJ/kg 46
68
Embodied Water, L/kg 130
180

Common Calculations

PREN (Pitting Resistance) 19
34
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 36 to 48
28 to 33
Strength to Weight: Bending, points 29 to 35
24 to 27
Thermal Shock Resistance, points 35 to 47
17 to 21

Alloy Composition

Aluminum (Al), % 0.6 to 0.8
0
Carbon (C), % 0 to 0.015
0 to 0.060
Chromium (Cr), % 11.5 to 12.5
20.5 to 23.5
Iron (Fe), % 74.4 to 77.3
52.1 to 62.1
Manganese (Mn), % 0 to 0.1
4.0 to 6.0
Molybdenum (Mo), % 1.9 to 2.2
1.5 to 3.0
Nickel (Ni), % 8.5 to 9.5
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0 to 0.010
0.2 to 0.4
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 0.75
Sulfur (S), % 0 to 0.0050
0 to 0.030
Titanium (Ti), % 0.28 to 0.37
0
Vanadium (V), % 0
0.1 to 0.3