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EN 1.4634 Stainless Steel vs. AISI 305 Stainless Steel

Both EN 1.4634 stainless steel and AISI 305 stainless steel are iron alloys. They have 88% 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 AISI 305 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 21
34 to 45
Fatigue Strength, MPa 180
210 to 280
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 340
400 to 470
Tensile Strength: Ultimate (UTS), MPa 540
580 to 710
Tensile Strength: Yield (Proof), MPa 280
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 500
410
Maximum Temperature: Mechanical, °C 900
540
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 21
16
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 13
16
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
3.2
Embodied Energy, MJ/kg 42
45
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 19
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
200 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 200
130 to 320
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
20 to 25
Strength to Weight: Bending, points 19
20 to 23
Thermal Diffusivity, mm2/s 5.8
4.2
Thermal Shock Resistance, points 19
13 to 15

Alloy Composition

Aluminum (Al), % 0.2 to 1.5
0
Carbon (C), % 0 to 0.030
0 to 0.12
Chromium (Cr), % 17.5 to 18.5
17 to 19
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 74.9 to 81.8
65.1 to 72.5
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
10.5 to 13
Niobium (Nb), % 0.3 to 1.0
0
Phosphorus (P), % 0 to 0.050
0 to 0.045
Silicon (Si), % 0.2 to 1.5
0 to 0.75
Sulfur (S), % 0 to 0.050
0 to 0.030