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EN 1.4335 Stainless Steel vs. EN 1.4537 Stainless Steel

Both EN 1.4335 stainless steel and EN 1.4537 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 89% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4335 stainless steel and the bottom bar is EN 1.4537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
220
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 45
42
Fatigue Strength, MPa 210
290
Impact Strength: V-Notched Charpy, J 90
91
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
80
Shear Strength, MPa 400
480
Tensile Strength: Ultimate (UTS), MPa 570
700
Tensile Strength: Yield (Proof), MPa 230
330

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 450
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
14
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 25
34
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 4.4
6.1
Embodied Energy, MJ/kg 62
84
Embodied Water, L/kg 190
220

Common Calculations

PREN (Pitting Resistance) 26
46
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
240
Resilience: Unit (Modulus of Resilience), kJ/m3 130
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
24
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 3.7
3.7
Thermal Shock Resistance, points 12
15

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.020
Chromium (Cr), % 24 to 26
24 to 26
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 49.4 to 56
36.3 to 46.1
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.2
4.7 to 5.7
Nickel (Ni), % 20 to 22
24 to 27
Nitrogen (N), % 0 to 0.1
0.17 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.25
0 to 0.7
Sulfur (S), % 0 to 0.010
0 to 0.010