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S41425 Stainless Steel vs. EN 1.4988 Stainless Steel

Both S41425 stainless steel and EN 1.4988 stainless steel are iron alloys. They have 87% 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 S41425 stainless steel and the bottom bar is EN 1.4988 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
34
Fatigue Strength, MPa 450
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 570
430
Tensile Strength: Ultimate (UTS), MPa 920
640
Tensile Strength: Yield (Proof), MPa 750
290

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
520
Maximum Temperature: Mechanical, °C 810
920
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
23
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.9
6.0
Embodied Energy, MJ/kg 40
89
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 21
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
180
Resilience: Unit (Modulus of Resilience), kJ/m3 1420
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 33
23
Strength to Weight: Bending, points 27
21
Thermal Diffusivity, mm2/s 4.4
4.0
Thermal Shock Resistance, points 33
14

Alloy Composition

Carbon (C), % 0 to 0.050
0.040 to 0.1
Chromium (Cr), % 12 to 15
15.5 to 17.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 74 to 81.9
62.1 to 69.5
Manganese (Mn), % 0.5 to 1.0
0 to 1.5
Molybdenum (Mo), % 1.5 to 2.0
1.1 to 1.5
Nickel (Ni), % 4.0 to 7.0
12.5 to 14.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0.060 to 0.12
0.060 to 0.14
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.5
0.3 to 0.6
Sulfur (S), % 0 to 0.0050
0 to 0.015
Vanadium (V), % 0
0.6 to 0.85