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EN 1.4542 Stainless Steel vs. EN 1.4901 Stainless Steel

Both EN 1.4542 stainless steel and EN 1.4901 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4542 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, % 5.7 to 20
19
Fatigue Strength, MPa 370 to 640
310
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 550 to 860
460
Tensile Strength: Ultimate (UTS), MPa 880 to 1470
740
Tensile Strength: Yield (Proof), MPa 580 to 1300
490

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Corrosion, °C 440
380
Maximum Temperature: Mechanical, °C 860
650
Melting Completion (Liquidus), °C 1430
1490
Melting Onset (Solidus), °C 1380
1450
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
26
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
11
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 39
40
Embodied Water, L/kg 130
89

Common Calculations

PREN (Pitting Resistance) 17
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 160
120
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4360
620
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 52
26
Strength to Weight: Bending, points 26 to 37
23
Thermal Diffusivity, mm2/s 4.3
6.9
Thermal Shock Resistance, points 29 to 49
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), % 3.0 to 5.0
0
Iron (Fe), % 69.6 to 79
85.8 to 89.1
Manganese (Mn), % 0 to 1.5
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.6
0.3 to 0.6
Nickel (Ni), % 3.0 to 5.0
0 to 0.4
Niobium (Nb), % 0 to 0.45
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 0.7
0 to 0.5
Sulfur (S), % 0 to 0.015
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