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EN 1.4527 Stainless Steel vs. EN 1.4729 Stainless Steel

Both EN 1.4527 stainless steel and EN 1.4729 stainless steel are iron alloys. They have 58% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.4527 stainless steel and the bottom bar is EN 1.4729 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
260
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
15
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 430
390
Maximum Temperature: Mechanical, °C 1100
850
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1360
1380
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 15
24
Thermal Expansion, µm/m-K 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 32
7.5
Density, g/cm3 8.1
7.6
Embodied Carbon, kg CO2/kg material 5.6
2.1
Embodied Energy, MJ/kg 78
29
Embodied Water, L/kg 210
100

Common Calculations

PREN (Pitting Resistance) 29
14
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Thermal Diffusivity, mm2/s 4.0
6.5

Alloy Composition

Carbon (C), % 0 to 0.060
0.3 to 0.5
Chromium (Cr), % 19 to 22
12 to 14
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 37.4 to 48.5
80.4 to 86.7
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0 to 0.5
Nickel (Ni), % 27.5 to 30.5
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030