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EN 1.3975 Stainless Steel vs. EN 1.4150 Stainless Steel

Both EN 1.3975 stainless steel and EN 1.4150 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 (5, 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 EN 1.4150 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 27
20
Fatigue Strength, MPa 230
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 660
730
Tensile Strength: Yield (Proof), MPa 320
430

Thermal Properties

Latent Heat of Fusion, J/g 340
290
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 910
840
Melting Completion (Liquidus), °C 1360
1420
Melting Onset (Solidus), °C 1320
1380
Specific Heat Capacity, J/kg-K 500
490
Thermal Expansion, µm/m-K 16
10

Otherwise Unclassified Properties

Base Metal Price, % relative 15
8.5
Density, g/cm3 7.5
7.6
Embodied Carbon, kg CO2/kg material 3.3
2.8
Embodied Energy, MJ/kg 47
42
Embodied Water, L/kg 150
120

Common Calculations

PREN (Pitting Resistance) 21
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
120
Resilience: Unit (Modulus of Resilience), kJ/m3 270
470
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 24
27
Strength to Weight: Bending, points 22
24
Thermal Shock Resistance, points 15
27

Alloy Composition

Carbon (C), % 0 to 0.050
0.45 to 0.6
Chromium (Cr), % 16 to 18
15 to 16.5
Iron (Fe), % 58.2 to 65.4
79 to 82.8
Manganese (Mn), % 7.0 to 9.0
0 to 0.8
Molybdenum (Mo), % 0 to 1.0
0.2 to 0.4
Nickel (Ni), % 8.0 to 9.0
0 to 0.4
Nitrogen (N), % 0.080 to 0.18
0.050 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 3.5 to 4.5
1.3 to 1.7
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0
0.2 to 0.4