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EN 1.4451 Stainless Steel vs. EN 1.4376 Stainless Steel

Both EN 1.4451 stainless steel and EN 1.4376 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 84% 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 1.4451 stainless steel and the bottom bar is EN 1.4376 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
230
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
45
Fatigue Strength, MPa 370
420
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 750
750
Tensile Strength: Yield (Proof), MPa 540
450

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
420
Maximum Temperature: Mechanical, °C 1100
930
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 20
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.8
2.6
Embodied Energy, MJ/kg 53
37
Embodied Water, L/kg 190
140

Common Calculations

PREN (Pitting Resistance) 39
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
290
Resilience: Unit (Modulus of Resilience), kJ/m3 710
520
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
27
Strength to Weight: Bending, points 23
24
Thermal Diffusivity, mm2/s 4.5
4.0
Thermal Shock Resistance, points 16
17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 25 to 27
17 to 20.5
Copper (Cu), % 2.8 to 3.5
0
Iron (Fe), % 56.2 to 64.6
65.5 to 76
Manganese (Mn), % 0 to 1.5
5.0 to 8.0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 5.0 to 7.0
2.0 to 4.5
Nitrogen (N), % 0.12 to 0.22
0 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015