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EN 1.4988 Stainless Steel vs. EN 1.4919 Stainless Steel

Both EN 1.4988 stainless steel and EN 1.4919 stainless steel are iron alloys. They have a very high 96% 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 EN 1.4919 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
40
Fatigue Strength, MPa 230
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 430
400
Tensile Strength: Ultimate (UTS), MPa 640
590
Tensile Strength: Yield (Proof), MPa 290
230

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 520
410
Maximum Temperature: Mechanical, °C 920
950
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 23
19
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 6.0
3.8
Embodied Energy, MJ/kg 89
52
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 22
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
190
Resilience: Unit (Modulus of Resilience), kJ/m3 210
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
21
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 4.0
4.3
Thermal Shock Resistance, points 14
13

Alloy Composition

Boron (B), % 0
0.0015 to 0.0050
Carbon (C), % 0.040 to 0.1
0.040 to 0.080
Chromium (Cr), % 15.5 to 17.5
16.5 to 18.5
Iron (Fe), % 62.1 to 69.5
62.8 to 71.5
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 1.1 to 1.5
2.0 to 2.5
Nickel (Ni), % 12.5 to 14.5
10 to 13
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0.3 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Vanadium (V), % 0.6 to 0.85
0