MakeItFrom.com
Menu (ESC)

EN 1.4550 Stainless Steel vs. AISI 316 Stainless Steel

Both EN 1.4550 stainless steel and AISI 316 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 (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4550 stainless steel and the bottom bar is AISI 316 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
160 to 360
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 42
8.0 to 55
Fatigue Strength, MPa 210
210 to 430
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 430
350 to 690
Tensile Strength: Ultimate (UTS), MPa 620
520 to 1180
Tensile Strength: Yield (Proof), MPa 230
230 to 850

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 480
410
Maximum Temperature: Mechanical, °C 940
590
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 18
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.6
3.9
Embodied Energy, MJ/kg 51
53
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 18
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
85 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 140
130 to 1820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
18 to 41
Strength to Weight: Bending, points 21
18 to 31
Thermal Diffusivity, mm2/s 4.0
4.1
Thermal Shock Resistance, points 14
11 to 26

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 17 to 19
16 to 18
Iron (Fe), % 64.9 to 74
62 to 72
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 9.0 to 12
10 to 14
Niobium (Nb), % 0 to 1.0
0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030