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EN 1.4530 Stainless Steel vs. S31803 Stainless Steel

Both EN 1.4530 stainless steel and S31803 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (13, 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 S31803 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 1030 to 1370
710

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 450
430
Maximum Temperature: Mechanical, °C 790
1060
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
17
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.4
3.6
Embodied Energy, MJ/kg 46
49
Embodied Water, L/kg 130
160

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
25
Strength to Weight: Bending, points 29 to 35
23
Thermal Shock Resistance, points 35 to 47
20

Alloy Composition

Aluminum (Al), % 0.6 to 0.8
0
Carbon (C), % 0 to 0.015
0 to 0.030
Chromium (Cr), % 11.5 to 12.5
21 to 23
Iron (Fe), % 74.4 to 77.3
63.7 to 71.9
Manganese (Mn), % 0 to 0.1
0 to 2.0
Molybdenum (Mo), % 1.9 to 2.2
2.5 to 3.5
Nickel (Ni), % 8.5 to 9.5
4.5 to 6.5
Nitrogen (N), % 0 to 0.010
0.080 to 0.2
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.020
Titanium (Ti), % 0.28 to 0.37
0