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EN 1.4961 Stainless Steel vs. AISI 301L Stainless Steel

Both EN 1.4961 stainless steel and AISI 301L stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4961 stainless steel and the bottom bar is AISI 301L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
22 to 50
Fatigue Strength, MPa 190
240 to 530
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 420
440 to 660
Tensile Strength: Ultimate (UTS), MPa 610
620 to 1040
Tensile Strength: Yield (Proof), MPa 220
250 to 790

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 510
410
Maximum Temperature: Mechanical, °C 890
890
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 21
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.0
2.7
Embodied Energy, MJ/kg 57
39
Embodied Water, L/kg 140
130

Common Calculations

PREN (Pitting Resistance) 16
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
210 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 120
160 to 1580
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
22 to 37
Strength to Weight: Bending, points 20
21 to 29
Thermal Diffusivity, mm2/s 4.3
4.1
Thermal Shock Resistance, points 14
14 to 24

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.030
Chromium (Cr), % 15 to 17
16 to 18
Iron (Fe), % 65.6 to 72.3
70.7 to 78
Manganese (Mn), % 0 to 1.5
0 to 2.0
Nickel (Ni), % 12 to 14
6.0 to 8.0
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0.3 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030