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EN 1.4369 Stainless Steel vs. S44330 Stainless Steel

Both EN 1.4369 stainless steel and S44330 stainless steel are iron alloys. They have 86% 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 EN 1.4369 stainless steel and the bottom bar is S44330 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
25
Fatigue Strength, MPa 330
160
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
78
Shear Strength, MPa 580
280
Tensile Strength: Ultimate (UTS), MPa 850
440
Tensile Strength: Yield (Proof), MPa 390
230

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
560
Maximum Temperature: Mechanical, °C 940
990
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1360
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 14
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 43
40
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 23
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
91
Resilience: Unit (Modulus of Resilience), kJ/m3 380
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
16
Strength to Weight: Bending, points 26
17
Thermal Diffusivity, mm2/s 4.0
5.7
Thermal Shock Resistance, points 18
16

Alloy Composition

Carbon (C), % 0.070 to 0.15
0 to 0.025
Chromium (Cr), % 17.5 to 19.5
20 to 23
Copper (Cu), % 0
0.3 to 0.8
Iron (Fe), % 63 to 70.2
72.5 to 79.7
Manganese (Mn), % 5.0 to 7.5
0 to 1.0
Nickel (Ni), % 6.5 to 8.5
0
Niobium (Nb), % 0
0 to 0.8
Nitrogen (N), % 0.2 to 0.3
0 to 0.025
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.5 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0 to 0.8