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EN 1.4886 Stainless Steel vs. EN 1.4736 Stainless Steel

Both EN 1.4886 stainless steel and EN 1.4736 stainless steel are iron alloys. They have 62% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4886 stainless steel and the bottom bar is EN 1.4736 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
28
Fatigue Strength, MPa 280
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 400
370
Tensile Strength: Ultimate (UTS), MPa 580
580
Tensile Strength: Yield (Proof), MPa 300
310

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Corrosion, °C 420
500
Maximum Temperature: Mechanical, °C 1100
1000
Melting Completion (Liquidus), °C 1390
1420
Melting Onset (Solidus), °C 1340
1380
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 12
21
Thermal Expansion, µm/m-K 15
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
9.0
Density, g/cm3 8.0
7.6
Embodied Carbon, kg CO2/kg material 5.4
2.4
Embodied Energy, MJ/kg 76
35
Embodied Water, L/kg 190
140

Common Calculations

PREN (Pitting Resistance) 19
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
140
Resilience: Unit (Modulus of Resilience), kJ/m3 230
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
21
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 3.1
5.6
Thermal Shock Resistance, points 14
21

Alloy Composition

Aluminum (Al), % 0
1.7 to 2.1
Carbon (C), % 0 to 0.15
0 to 0.040
Chromium (Cr), % 17 to 20
17 to 18
Iron (Fe), % 38.7 to 49
77 to 81.1
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 33 to 37
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 to 0.015
Titanium (Ti), % 0
0.2 to 0.8