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AISI 302 Stainless Steel vs. EN 1.7390 Steel

Both AISI 302 stainless steel and EN 1.7390 steel are iron alloys. They have 77% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, 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 1.7390 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 440
210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 4.5 to 46
16
Fatigue Strength, MPa 210 to 520
310
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 400 to 830
440
Tensile Strength: Ultimate (UTS), MPa 580 to 1430
710
Tensile Strength: Yield (Proof), MPa 230 to 1100
480

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 710
510
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
40
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
4.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.7
Embodied Energy, MJ/kg 42
23
Embodied Water, L/kg 140
69

Common Calculations

PREN (Pitting Resistance) 19
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 59 to 260
100
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 3070
600
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 51
25
Strength to Weight: Bending, points 20 to 36
23
Thermal Diffusivity, mm2/s 4.4
11
Thermal Shock Resistance, points 12 to 31
20

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.18
Chromium (Cr), % 17 to 19
4.0 to 6.0
Iron (Fe), % 67.9 to 75
91.9 to 95.3
Manganese (Mn), % 0 to 2.0
0.3 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 8.0 to 10
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015