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EN 1.4971 Stainless Steel vs. AISI 304LN Stainless Steel

Both EN 1.4971 stainless steel and AISI 304LN stainless steel are iron alloys. They have 61% of their average alloy composition in common. There are 31 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 1.4971 stainless steel and the bottom bar is AISI 304LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
190 to 350
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
7.8 to 46
Fatigue Strength, MPa 270
200 to 440
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 530
400 to 680
Tensile Strength: Ultimate (UTS), MPa 800
580 to 1160
Tensile Strength: Yield (Proof), MPa 340
230 to 870

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 570
420
Maximum Temperature: Mechanical, °C 1100
960
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 70
16
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.6
3.1
Embodied Energy, MJ/kg 110
44
Embodied Water, L/kg 300
150

Common Calculations

PREN (Pitting Resistance) 38
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
83 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 280
140 to 1900
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
21 to 41
Strength to Weight: Bending, points 23
20 to 31
Thermal Diffusivity, mm2/s 3.4
4.0
Thermal Shock Resistance, points 19
13 to 26

Alloy Composition

Carbon (C), % 0.080 to 0.16
0 to 0.030
Chromium (Cr), % 20 to 22.5
18 to 20
Cobalt (Co), % 18.5 to 21
0
Iron (Fe), % 24.3 to 37.1
65 to 73.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
8.0 to 12
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
0.1 to 0.16
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 2.0 to 3.0
0