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EN 1.4634 Stainless Steel vs. EN 1.4537 Stainless Steel

Both EN 1.4634 stainless steel and EN 1.4537 stainless steel are iron alloys. They have 61% of their average alloy composition in common. There are 32 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 1.4634 stainless steel and the bottom bar is EN 1.4537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 21
42
Fatigue Strength, MPa 180
290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
80
Shear Strength, MPa 340
480
Tensile Strength: Ultimate (UTS), MPa 540
700
Tensile Strength: Yield (Proof), MPa 280
330

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 500
450
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 21
14
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
34
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.9
6.1
Embodied Energy, MJ/kg 42
84
Embodied Water, L/kg 140
220

Common Calculations

PREN (Pitting Resistance) 19
46
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
240
Resilience: Unit (Modulus of Resilience), kJ/m3 200
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 5.8
3.7
Thermal Shock Resistance, points 19
15

Alloy Composition

Aluminum (Al), % 0.2 to 1.5
0
Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 17.5 to 18.5
24 to 26
Copper (Cu), % 0 to 0.5
1.0 to 2.0
Iron (Fe), % 74.9 to 81.8
36.3 to 46.1
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
4.7 to 5.7
Nickel (Ni), % 0 to 0.5
24 to 27
Niobium (Nb), % 0.3 to 1.0
0
Nitrogen (N), % 0
0.17 to 0.25
Phosphorus (P), % 0 to 0.050
0 to 0.030
Silicon (Si), % 0.2 to 1.5
0 to 0.7
Sulfur (S), % 0 to 0.050
0 to 0.010