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EN 1.4961 Stainless Steel vs. AISI 304L Stainless Steel

Both EN 1.4961 stainless steel and AISI 304L stainless steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 33 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 1.4961 stainless steel and the bottom bar is AISI 304L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
160 to 350
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
6.7 to 46
Fatigue Strength, MPa 190
170 to 430
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 420
370 to 680
Tensile Strength: Ultimate (UTS), MPa 610
540 to 1160
Tensile Strength: Yield (Proof), MPa 220
190 to 870

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 510
420
Maximum Temperature: Mechanical, °C 890
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 16
16
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 21
16
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.0
3.1
Embodied Energy, MJ/kg 57
44
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 16
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
71 to 240
Resilience: Unit (Modulus of Resilience), kJ/m3 120
92 to 1900
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
19 to 41
Strength to Weight: Bending, points 20
19 to 31
Thermal Diffusivity, mm2/s 4.3
4.2
Thermal Shock Resistance, points 14
12 to 25

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.030
Chromium (Cr), % 15 to 17
18 to 20
Iron (Fe), % 65.6 to 72.3
65 to 74
Manganese (Mn), % 0 to 1.5
0 to 2.0
Nickel (Ni), % 12 to 14
8.0 to 12
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0.3 to 0.6
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030