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EN 1.4938 Stainless Steel vs. AISI 301LN Stainless Steel

Both EN 1.4938 stainless steel and AISI 301LN stainless steel are iron alloys. They have 90% 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 1.4938 stainless steel and the bottom bar is AISI 301LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 16 to 17
23 to 51
Fatigue Strength, MPa 390 to 520
270 to 520
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 540 to 630
450 to 670
Tensile Strength: Ultimate (UTS), MPa 870 to 1030
630 to 1060
Tensile Strength: Yield (Proof), MPa 640 to 870
270 to 770

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 750
890
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 30
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 10
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.3
2.7
Embodied Energy, MJ/kg 47
39
Embodied Water, L/kg 110
130

Common Calculations

PREN (Pitting Resistance) 18
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
220 to 290
Resilience: Unit (Modulus of Resilience), kJ/m3 1050 to 1920
180 to 1520
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 37
22 to 38
Strength to Weight: Bending, points 26 to 29
21 to 30
Thermal Diffusivity, mm2/s 8.1
4.0
Thermal Shock Resistance, points 30 to 35
14 to 24

Alloy Composition

Carbon (C), % 0.080 to 0.15
0 to 0.030
Chromium (Cr), % 11 to 12.5
16 to 18
Iron (Fe), % 80.5 to 84.8
70.7 to 77.9
Manganese (Mn), % 0.4 to 0.9
0 to 2.0
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 2.0 to 3.0
6.0 to 8.0
Nitrogen (N), % 0.020 to 0.040
0.070 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0.25 to 0.4
0

Comparable Variants