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EN 1.4527 Stainless Steel vs. EN 1.4634 Stainless Steel

Both EN 1.4527 stainless steel and EN 1.4634 stainless steel are iron alloys. They have 63% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 1.4634 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
21
Fatigue Strength, MPa 170
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 480
540
Tensile Strength: Yield (Proof), MPa 190
280

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 430
500
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1410
1430
Melting Onset (Solidus), °C 1360
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 32
13
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 5.6
2.9
Embodied Energy, MJ/kg 78
42
Embodied Water, L/kg 210
140

Common Calculations

PREN (Pitting Resistance) 29
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
93
Resilience: Unit (Modulus of Resilience), kJ/m3 95
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
20
Strength to Weight: Bending, points 17
19
Thermal Diffusivity, mm2/s 4.0
5.8
Thermal Shock Resistance, points 12
19

Alloy Composition

Aluminum (Al), % 0
0.2 to 1.5
Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 19 to 22
17.5 to 18.5
Copper (Cu), % 3.0 to 4.0
0 to 0.5
Iron (Fe), % 37.4 to 48.5
74.9 to 81.8
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 0.5
Niobium (Nb), % 0
0.3 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0 to 1.5
0.2 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.050