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EN 1.3975 Stainless Steel vs. EN 1.4650 Stainless Steel

Both EN 1.3975 stainless steel and EN 1.4650 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 89% 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 EN 1.4650 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 27
48
Fatigue Strength, MPa 230
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 660
620
Tensile Strength: Yield (Proof), MPa 320
240

Thermal Properties

Latent Heat of Fusion, J/g 340
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 910
970
Melting Completion (Liquidus), °C 1360
1420
Melting Onset (Solidus), °C 1320
1380
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 15
16
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.3
3.1
Embodied Energy, MJ/kg 47
43
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 21
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
240
Resilience: Unit (Modulus of Resilience), kJ/m3 270
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 24
22
Strength to Weight: Bending, points 22
21
Thermal Shock Resistance, points 15
14

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 16 to 18
18.5 to 20
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 58.2 to 65.4
65.8 to 72.5
Manganese (Mn), % 7.0 to 9.0
0 to 2.0
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 8.0 to 9.0
9.0 to 10
Nitrogen (N), % 0.080 to 0.18
0 to 0.080
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 3.5 to 4.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015