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EN 1.4530 Stainless Steel vs. EN 1.4729 Stainless Steel

Both EN 1.4530 stainless steel and EN 1.4729 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 18 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 EN 1.4729 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 790
850
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
490
Thermal Expansion, µm/m-K 11
10

Otherwise Unclassified Properties

Base Metal Price, % relative 15
7.5
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 3.4
2.1
Embodied Energy, MJ/kg 46
29
Embodied Water, L/kg 130
100

Common Calculations

PREN (Pitting Resistance) 19
14
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25

Alloy Composition

Aluminum (Al), % 0.6 to 0.8
0
Carbon (C), % 0 to 0.015
0.3 to 0.5
Chromium (Cr), % 11.5 to 12.5
12 to 14
Iron (Fe), % 74.4 to 77.3
80.4 to 86.7
Manganese (Mn), % 0 to 0.1
0 to 1.0
Molybdenum (Mo), % 1.9 to 2.2
0 to 0.5
Nickel (Ni), % 8.5 to 9.5
0 to 1.0
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
1.0 to 2.5
Sulfur (S), % 0 to 0.0050
0 to 0.030
Titanium (Ti), % 0.28 to 0.37
0