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EN 1.4988 Stainless Steel vs. S32906 Stainless Steel

Both EN 1.4988 stainless steel and S32906 stainless steel are iron alloys. They have 86% 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 EN 1.4988 stainless steel and the bottom bar is S32906 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
270
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 34
28
Fatigue Strength, MPa 230
460
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
81
Shear Strength, MPa 430
550
Tensile Strength: Ultimate (UTS), MPa 640
850
Tensile Strength: Yield (Proof), MPa 290
620

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 520
460
Maximum Temperature: Mechanical, °C 920
1100
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 16
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 23
20
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 6.0
3.7
Embodied Energy, MJ/kg 89
52
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 22
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
220
Resilience: Unit (Modulus of Resilience), kJ/m3 210
950
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
30
Strength to Weight: Bending, points 21
26
Thermal Diffusivity, mm2/s 4.0
3.6
Thermal Shock Resistance, points 14
23

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.030
Chromium (Cr), % 15.5 to 17.5
28 to 30
Copper (Cu), % 0
0 to 0.8
Iron (Fe), % 62.1 to 69.5
56.6 to 63.6
Manganese (Mn), % 0 to 1.5
0.8 to 1.5
Molybdenum (Mo), % 1.1 to 1.5
1.5 to 2.6
Nickel (Ni), % 12.5 to 14.5
5.8 to 7.5
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
0.3 to 0.4
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0.3 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0.6 to 0.85
0