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EN 1.4542 Stainless Steel vs. EN 1.4911 Stainless Steel

Both EN 1.4542 stainless steel and EN 1.4911 stainless steel are iron alloys. They have 87% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4542 stainless steel and the bottom bar is EN 1.4911 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.7 to 20
11
Fatigue Strength, MPa 370 to 640
530
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 550 to 860
640
Tensile Strength: Ultimate (UTS), MPa 880 to 1470
1070
Tensile Strength: Yield (Proof), MPa 580 to 1300
970

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 440
430
Maximum Temperature: Mechanical, °C 860
700
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
20
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 13
20
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 39
49
Embodied Water, L/kg 130
130

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
2410
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 52
38
Strength to Weight: Bending, points 26 to 37
30
Thermal Diffusivity, mm2/s 4.3
5.4
Thermal Shock Resistance, points 29 to 49
37

Alloy Composition

Boron (B), % 0
0.0050 to 0.015
Carbon (C), % 0 to 0.070
0.050 to 0.12
Chromium (Cr), % 15 to 17
9.8 to 11.2
Cobalt (Co), % 0
5.0 to 7.0
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 69.6 to 79
75.7 to 83.8
Manganese (Mn), % 0 to 1.5
0.3 to 1.3
Molybdenum (Mo), % 0 to 0.6
0.5 to 1.0
Nickel (Ni), % 3.0 to 5.0
0.2 to 1.2
Niobium (Nb), % 0 to 0.45
0.2 to 0.5
Nitrogen (N), % 0
0 to 0.035
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.7
0.1 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 0
0 to 0.7
Vanadium (V), % 0
0.1 to 0.4