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S35045 Stainless Steel vs. EN 1.4621 Stainless Steel

Both S35045 stainless steel and EN 1.4621 stainless steel are iron alloys. They have 58% of their average alloy composition in common.

For each property being compared, the top bar is S35045 stainless steel and the bottom bar is EN 1.4621 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
25
Fatigue Strength, MPa 170
190
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
78
Shear Strength, MPa 370
320
Tensile Strength: Ultimate (UTS), MPa 540
500
Tensile Strength: Yield (Proof), MPa 190
270

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 520
510
Maximum Temperature: Mechanical, °C 1100
970
Melting Completion (Liquidus), °C 1390
1440
Melting Onset (Solidus), °C 1340
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
21
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 34
14
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.8
2.8
Embodied Energy, MJ/kg 83
41
Embodied Water, L/kg 230
140

Common Calculations

PREN (Pitting Resistance) 27
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
110
Resilience: Unit (Modulus of Resilience), kJ/m3 94
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
18
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 3.2
5.7
Thermal Shock Resistance, points 12
17

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0.060 to 0.1
0 to 0.030
Chromium (Cr), % 25 to 29
20 to 21.5
Copper (Cu), % 0 to 0.75
0.1 to 1.0
Iron (Fe), % 29.4 to 42.6
74.4 to 79.7
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 32 to 37
0
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0.15 to 0.6
0