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AISI 301 Stainless Steel vs. EN 1.4438 Stainless Steel

Both AISI 301 stainless steel and EN 1.4438 stainless steel are iron alloys. They have 87% 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 AISI 301 stainless steel and the bottom bar is EN 1.4438 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 440
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 7.4 to 46
41
Fatigue Strength, MPa 210 to 600
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 410 to 860
420
Tensile Strength: Ultimate (UTS), MPa 590 to 1460
620
Tensile Strength: Yield (Proof), MPa 230 to 1080
250

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 840
1000
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.7
4.4
Embodied Energy, MJ/kg 39
60
Embodied Water, L/kg 130
160

Common Calculations

PREN (Pitting Resistance) 18
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99 to 300
200
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 2970
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 52
22
Strength to Weight: Bending, points 20 to 37
20
Thermal Diffusivity, mm2/s 4.2
3.7
Thermal Shock Resistance, points 12 to 31
14

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 16 to 18
17.5 to 19.5
Iron (Fe), % 70.7 to 78
57.3 to 66.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 6.0 to 8.0
13 to 16
Nitrogen (N), % 0 to 0.1
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015