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EN 1.4959 Stainless Steel vs. AISI 301 Stainless Steel

Both EN 1.4959 stainless steel and AISI 301 stainless steel are iron alloys. They have 70% 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 1.4959 stainless steel and the bottom bar is AISI 301 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
7.4 to 46
Fatigue Strength, MPa 170
210 to 600
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 430
410 to 860
Tensile Strength: Ultimate (UTS), MPa 630
590 to 1460
Tensile Strength: Yield (Proof), MPa 190
230 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 510
410
Maximum Temperature: Mechanical, °C 1090
840
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
13
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.4
2.7
Embodied Energy, MJ/kg 76
39
Embodied Water, L/kg 200
130

Common Calculations

PREN (Pitting Resistance) 21
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
99 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 96
130 to 2970
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
21 to 52
Strength to Weight: Bending, points 20
20 to 37
Thermal Diffusivity, mm2/s 3.2
4.2
Thermal Shock Resistance, points 15
12 to 31

Alloy Composition

Aluminum (Al), % 0.25 to 0.65
0
Carbon (C), % 0.050 to 0.1
0 to 0.15
Chromium (Cr), % 19 to 22
16 to 18
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 39.4 to 50.5
70.7 to 78
Manganese (Mn), % 0 to 1.5
0 to 2.0
Nickel (Ni), % 30 to 34
6.0 to 8.0
Nitrogen (N), % 0 to 0.030
0 to 0.1
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.25 to 0.65
0