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AISI 201LN Stainless Steel vs. EN 1.4961 Stainless Steel

Both AISI 201LN stainless steel and EN 1.4961 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is AISI 201LN stainless steel and the bottom bar is EN 1.4961 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25 to 51
39
Fatigue Strength, MPa 340 to 540
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 530 to 680
420
Tensile Strength: Ultimate (UTS), MPa 740 to 1060
610
Tensile Strength: Yield (Proof), MPa 350 to 770
220

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
510
Maximum Temperature: Mechanical, °C 880
890
Melting Completion (Liquidus), °C 1410
1430
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
21
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
4.0
Embodied Energy, MJ/kg 38
57
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 20
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 310
190
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 1520
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 38
22
Strength to Weight: Bending, points 24 to 30
20
Thermal Diffusivity, mm2/s 4.0
4.3
Thermal Shock Resistance, points 16 to 23
14

Alloy Composition

Carbon (C), % 0 to 0.030
0.040 to 0.1
Chromium (Cr), % 16 to 17.5
15 to 17
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 67.9 to 73.5
65.6 to 72.3
Manganese (Mn), % 6.4 to 7.5
0 to 1.5
Nickel (Ni), % 4.0 to 5.0
12 to 14
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.75
0.3 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.015