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EN 1.4539 Stainless Steel vs. EN 1.4371 Stainless Steel

Both EN 1.4539 stainless steel and EN 1.4371 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 33 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 1.4539 stainless steel and the bottom bar is EN 1.4371 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
220 to 230
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 38
45 to 51
Fatigue Strength, MPa 220
290 to 340
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 430
520 to 540
Tensile Strength: Ultimate (UTS), MPa 630
740 to 750
Tensile Strength: Yield (Proof), MPa 260
320 to 340

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 1100
880
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 31
12
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 5.7
2.6
Embodied Energy, MJ/kg 78
38
Embodied Water, L/kg 200
140

Common Calculations

PREN (Pitting Resistance) 36
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
270 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 160
250 to 300
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
27
Strength to Weight: Bending, points 20
24
Thermal Diffusivity, mm2/s 3.2
4.0
Thermal Shock Resistance, points 14
16

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 19 to 21
16 to 17.5
Copper (Cu), % 1.2 to 2.0
0 to 1.0
Iron (Fe), % 43.1 to 51.8
66.7 to 74.4
Manganese (Mn), % 0 to 2.0
6.0 to 8.0
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 24 to 26
3.5 to 5.5
Nitrogen (N), % 0 to 0.15
0.15 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015