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EN 1.4527 Stainless Steel vs. EN 1.4901 Stainless Steel

Both EN 1.4527 stainless steel and EN 1.4901 stainless steel are iron alloys. They have 53% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 1.4901 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
19
Fatigue Strength, MPa 170
310
Impact Strength: V-Notched Charpy, J 67
38
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 480
740
Tensile Strength: Yield (Proof), MPa 190
490

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Corrosion, °C 430
380
Maximum Temperature: Mechanical, °C 1100
650
Melting Completion (Liquidus), °C 1410
1490
Melting Onset (Solidus), °C 1360
1450
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
26
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 32
11
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 5.6
2.8
Embodied Energy, MJ/kg 78
40
Embodied Water, L/kg 210
89

Common Calculations

PREN (Pitting Resistance) 29
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
120
Resilience: Unit (Modulus of Resilience), kJ/m3 95
620
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
26
Strength to Weight: Bending, points 17
23
Thermal Diffusivity, mm2/s 4.0
6.9
Thermal Shock Resistance, points 12
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0 to 0.060
0.070 to 0.13
Chromium (Cr), % 19 to 22
8.5 to 9.5
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 37.4 to 48.5
85.8 to 89.1
Manganese (Mn), % 0 to 1.5
0.3 to 0.6
Molybdenum (Mo), % 2.0 to 3.0
0.3 to 0.6
Nickel (Ni), % 27.5 to 30.5
0 to 0.4
Niobium (Nb), % 0
0.040 to 0.090
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
1.5 to 2.0
Vanadium (V), % 0
0.15 to 0.25
Zirconium (Zr), % 0
0 to 0.010