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S33425 Stainless Steel vs. EN 1.4306 Stainless Steel

Both S33425 stainless steel and EN 1.4306 stainless steel are iron alloys. They have 83% of their average alloy composition in common.

For each property being compared, the top bar is S33425 stainless steel and the bottom bar is EN 1.4306 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
14 to 45
Fatigue Strength, MPa 210
190 to 330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 400
400 to 550
Tensile Strength: Ultimate (UTS), MPa 580
580 to 900
Tensile Strength: Yield (Proof), MPa 230
210 to 570

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 500
420
Maximum Temperature: Mechanical, °C 1100
960
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 27
16
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.1
3.2
Embodied Energy, MJ/kg 71
45
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 30
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
110 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 140
110 to 820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
21 to 32
Strength to Weight: Bending, points 19
20 to 27
Thermal Diffusivity, mm2/s 3.7
4.0
Thermal Shock Resistance, points 13
13 to 20

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 21 to 23
18 to 20
Iron (Fe), % 47.2 to 56.7
64.8 to 72
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 20 to 23
10 to 12
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0.15 to 0.6
0