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EN 1.4887 Stainless Steel vs. EN 1.4035 Stainless Steel

Both EN 1.4887 stainless steel and EN 1.4035 stainless steel are iron alloys. They have 54% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4887 stainless steel and the bottom bar is EN 1.4035 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
18
Fatigue Strength, MPa 280
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 400
430
Tensile Strength: Ultimate (UTS), MPa 580
690
Tensile Strength: Yield (Proof), MPa 300
400

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Maximum Temperature: Corrosion, °C 600
380
Maximum Temperature: Mechanical, °C 1100
760
Melting Completion (Liquidus), °C 1390
1430
Melting Onset (Solidus), °C 1350
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
29
Thermal Expansion, µm/m-K 15
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 39
7.0
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 6.7
2.0
Embodied Energy, MJ/kg 96
27
Embodied Water, L/kg 210
100

Common Calculations

PREN (Pitting Resistance) 22
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
110
Resilience: Unit (Modulus of Resilience), kJ/m3 230
420
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
25
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 3.2
7.8
Thermal Shock Resistance, points 14
25

Alloy Composition

Carbon (C), % 0 to 0.15
0.43 to 0.5
Chromium (Cr), % 20 to 23
12.5 to 14
Iron (Fe), % 34.2 to 45
82.1 to 86.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 33 to 37
0
Niobium (Nb), % 1.0 to 1.5
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 1.0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0.15 to 0.35