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AISI 302 Stainless Steel vs. EN 1.4621 Stainless Steel

Both AISI 302 stainless steel and EN 1.4621 stainless steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 32 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 AISI 302 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, % 4.5 to 46
25
Fatigue Strength, MPa 210 to 520
190
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
78
Shear Strength, MPa 400 to 830
320
Tensile Strength: Ultimate (UTS), MPa 580 to 1430
500
Tensile Strength: Yield (Proof), MPa 230 to 1100
270

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
510
Maximum Temperature: Mechanical, °C 710
970
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
21
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 15
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 42
41
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 19
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 59 to 260
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 3070
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 51
18
Strength to Weight: Bending, points 20 to 36
18
Thermal Diffusivity, mm2/s 4.4
5.7
Thermal Shock Resistance, points 12 to 31
17

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 17 to 19
20 to 21.5
Copper (Cu), % 0
0.1 to 1.0
Iron (Fe), % 67.9 to 75
74.4 to 79.7
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 8.0 to 10
0
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0 to 0.1
0 to 0.030
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015