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AISI 316 Stainless Steel vs. EN 1.7703 Steel

Both AISI 316 stainless steel and EN 1.7703 steel are iron alloys. They have 71% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 316 stainless steel and the bottom bar is EN 1.7703 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 360
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 8.0 to 55
20
Fatigue Strength, MPa 210 to 430
320 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
74
Shear Strength, MPa 350 to 690
420 to 430
Tensile Strength: Ultimate (UTS), MPa 520 to 1180
670 to 690
Tensile Strength: Yield (Proof), MPa 230 to 850
460 to 500

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 590
460
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 19
4.2
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.9
2.5
Embodied Energy, MJ/kg 53
35
Embodied Water, L/kg 150
61

Common Calculations

PREN (Pitting Resistance) 26
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 85 to 260
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 1820
570 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18 to 41
24
Strength to Weight: Bending, points 18 to 31
22
Thermal Diffusivity, mm2/s 4.1
11
Thermal Shock Resistance, points 11 to 26
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.080
0.11 to 0.15
Chromium (Cr), % 16 to 18
2.0 to 2.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 62 to 72
94.6 to 96.4
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 2.0 to 3.0
0.9 to 1.1
Nickel (Ni), % 10 to 14
0 to 0.25
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0 to 0.1
0 to 0.012
Phosphorus (P), % 0 to 0.045
0 to 0.015
Silicon (Si), % 0 to 0.75
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0.25 to 0.35