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EN 1.3975 Stainless Steel vs. AISI 445 Stainless Steel

Both EN 1.3975 stainless steel and AISI 445 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.3975 stainless steel and the bottom bar is AISI 445 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 27
25
Fatigue Strength, MPa 230
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 660
480
Tensile Strength: Yield (Proof), MPa 320
230

Thermal Properties

Latent Heat of Fusion, J/g 340
290
Maximum Temperature: Corrosion, °C 410
480
Maximum Temperature: Mechanical, °C 910
950
Melting Completion (Liquidus), °C 1360
1440
Melting Onset (Solidus), °C 1320
1390
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 15
12
Density, g/cm3 7.5
7.7
Embodied Carbon, kg CO2/kg material 3.3
2.6
Embodied Energy, MJ/kg 47
38
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 21
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
98
Resilience: Unit (Modulus of Resilience), kJ/m3 270
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 24
17
Strength to Weight: Bending, points 22
18
Thermal Shock Resistance, points 15
16

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.020
Chromium (Cr), % 16 to 18
19 to 21
Copper (Cu), % 0
0.3 to 0.6
Iron (Fe), % 58.2 to 65.4
74.9 to 80.7
Manganese (Mn), % 7.0 to 9.0
0 to 1.0
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 8.0 to 9.0
0 to 0.6
Niobium (Nb), % 0
0 to 0.8
Nitrogen (N), % 0.080 to 0.18
0 to 0.030
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 3.5 to 4.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.012