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EN 1.4959 Stainless Steel vs. AISI 204 Stainless Steel

Both EN 1.4959 stainless steel and AISI 204 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 32 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 1.4959 stainless steel and the bottom bar is AISI 204 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
23 to 39
Fatigue Strength, MPa 170
320 to 720
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 430
500 to 700
Tensile Strength: Ultimate (UTS), MPa 630
730 to 1100
Tensile Strength: Yield (Proof), MPa 190
380 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 510
410
Maximum Temperature: Mechanical, °C 1090
850
Melting Completion (Liquidus), °C 1400
1410
Melting Onset (Solidus), °C 1350
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
15
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
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 31
10
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.4
2.4
Embodied Energy, MJ/kg 76
35
Embodied Water, L/kg 200
130

Common Calculations

PREN (Pitting Resistance) 21
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
240 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 96
360 to 2940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
27 to 40
Strength to Weight: Bending, points 20
24 to 31
Thermal Diffusivity, mm2/s 3.2
4.1
Thermal Shock Resistance, points 15
16 to 24

Alloy Composition

Aluminum (Al), % 0.25 to 0.65
0
Carbon (C), % 0.050 to 0.1
0 to 0.030
Chromium (Cr), % 19 to 22
15 to 17
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 39.4 to 50.5
69.6 to 76.4
Manganese (Mn), % 0 to 1.5
7.0 to 9.0
Nickel (Ni), % 30 to 34
1.5 to 3.0
Nitrogen (N), % 0 to 0.030
0.15 to 0.3
Phosphorus (P), % 0 to 0.015
0 to 0.040
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