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AISI 302B Stainless Steel vs. EN 1.4590 Stainless Steel

Both AISI 302B stainless steel and EN 1.4590 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 87% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 302B stainless steel and the bottom bar is EN 1.4590 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
26
Fatigue Strength, MPa 210
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 410
310
Tensile Strength: Ultimate (UTS), MPa 580
480
Tensile Strength: Yield (Proof), MPa 230
270

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Corrosion, °C 410
470
Maximum Temperature: Mechanical, °C 930
860
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 17
26
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
11
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.5
Embodied Energy, MJ/kg 43
37
Embodied Water, L/kg 140
120

Common Calculations

PREN (Pitting Resistance) 19
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 4.4
7.0
Thermal Shock Resistance, points 13
17

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 17 to 19
16 to 17.5
Iron (Fe), % 65.7 to 73
79.7 to 83.7
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 8.0 to 10
0
Niobium (Nb), % 0
0.35 to 0.55
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 2.0 to 3.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Zirconium (Zr), % 0
0 to 0.15