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AISI 302 Stainless Steel vs. EN 1.4988 Stainless Steel

Both AISI 302 stainless steel and EN 1.4988 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, 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 1.4988 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 440
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 4.5 to 46
34
Fatigue Strength, MPa 210 to 520
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 400 to 830
430
Tensile Strength: Ultimate (UTS), MPa 580 to 1430
640
Tensile Strength: Yield (Proof), MPa 230 to 1100
290

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
520
Maximum Temperature: Mechanical, °C 710
920
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 15
23
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.0
6.0
Embodied Energy, MJ/kg 42
89
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 19
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 59 to 260
180
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 3070
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 51
23
Strength to Weight: Bending, points 20 to 36
21
Thermal Diffusivity, mm2/s 4.4
4.0
Thermal Shock Resistance, points 12 to 31
14

Alloy Composition

Carbon (C), % 0 to 0.15
0.040 to 0.1
Chromium (Cr), % 17 to 19
15.5 to 17.5
Iron (Fe), % 67.9 to 75
62.1 to 69.5
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0
1.1 to 1.5
Nickel (Ni), % 8.0 to 10
12.5 to 14.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0 to 0.1
0.060 to 0.14
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.75
0.3 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0.6 to 0.85