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EN 1.4525 Stainless Steel vs. EN 1.4901 Stainless Steel

Both EN 1.4525 stainless steel and EN 1.4901 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4525 stainless steel and the bottom bar is EN 1.4901 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.6 to 13
19
Fatigue Strength, MPa 480 to 540
310
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 1030 to 1250
740
Tensile Strength: Yield (Proof), MPa 840 to 1120
490

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Corrosion, °C 430
380
Maximum Temperature: Mechanical, °C 860
650
Melting Completion (Liquidus), °C 1430
1490
Melting Onset (Solidus), °C 1390
1450
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 18
26
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
11
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 39
40
Embodied Water, L/kg 130
89

Common Calculations

PREN (Pitting Resistance) 18
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1820 to 3230
620
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 36 to 45
26
Strength to Weight: Bending, points 29 to 33
23
Thermal Diffusivity, mm2/s 4.7
6.9
Thermal Shock Resistance, points 34 to 41
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0 to 0.070
0.070 to 0.13
Chromium (Cr), % 15 to 17
8.5 to 9.5
Copper (Cu), % 2.5 to 4.0
0
Iron (Fe), % 70.4 to 79
85.8 to 89.1
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.8
0.3 to 0.6
Nickel (Ni), % 3.5 to 5.5
0 to 0.4
Niobium (Nb), % 0 to 0.35
0.040 to 0.090
Nitrogen (N), % 0 to 0.050
0.030 to 0.070
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 0.8
0 to 0.5
Sulfur (S), % 0 to 0.025
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