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EN 1.4325 Stainless Steel vs. AISI 302 Stainless Steel

Both EN 1.4325 stainless steel and AISI 302 stainless steel are iron alloys. Their average alloy composition is basically identical. 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 1.4325 stainless steel and the bottom bar is AISI 302 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
170 to 440
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
4.5 to 46
Fatigue Strength, MPa 190
210 to 520
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 450
400 to 830
Tensile Strength: Ultimate (UTS), MPa 650
580 to 1430
Tensile Strength: Yield (Proof), MPa 210
230 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 930
710
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 16
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 15
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.0
Embodied Energy, MJ/kg 42
42
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 18
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
59 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 110
140 to 3070
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
21 to 51
Strength to Weight: Bending, points 21
20 to 36
Thermal Diffusivity, mm2/s 4.3
4.4
Thermal Shock Resistance, points 15
12 to 31

Alloy Composition

Carbon (C), % 0.030 to 0.15
0 to 0.15
Chromium (Cr), % 17 to 19
17 to 19
Iron (Fe), % 67.8 to 75
67.9 to 75
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 8.0 to 10
8.0 to 10
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 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030