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AISI 305 Stainless Steel vs. EN 1.4988 Stainless Steel

Both AISI 305 stainless steel and EN 1.4988 stainless steel are iron alloys. They have a very high 95% 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 305 stainless steel and the bottom bar is EN 1.4988 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 220
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 45
34
Fatigue Strength, MPa 210 to 280
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 400 to 470
430
Tensile Strength: Ultimate (UTS), MPa 580 to 710
640
Tensile Strength: Yield (Proof), MPa 230 to 350
290

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
520
Maximum Temperature: Mechanical, °C 540
920
Melting Completion (Liquidus), °C 1450
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 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 16
23
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.2
6.0
Embodied Energy, MJ/kg 45
89
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 18
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 210
180
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 320
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20 to 25
23
Strength to Weight: Bending, points 20 to 23
21
Thermal Diffusivity, mm2/s 4.2
4.0
Thermal Shock Resistance, points 13 to 15
14

Alloy Composition

Carbon (C), % 0 to 0.12
0.040 to 0.1
Chromium (Cr), % 17 to 19
15.5 to 17.5
Iron (Fe), % 65.1 to 72.5
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), % 10.5 to 13
12.5 to 14.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0
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