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AISI 312 Stainless Steel vs. EN 1.4017 Stainless Steel

Both AISI 312 stainless steel and EN 1.4017 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 85% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 312 stainless steel and the bottom bar is EN 1.4017 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
14
Fatigue Strength, MPa 370
220
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 510
350
Tensile Strength: Ultimate (UTS), MPa 780
580
Tensile Strength: Yield (Proof), MPa 510
390

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
870
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
30
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 17
9.5
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.4
2.2
Embodied Energy, MJ/kg 48
31
Embodied Water, L/kg 170
120

Common Calculations

PREN (Pitting Resistance) 33
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
71
Resilience: Unit (Modulus of Resilience), kJ/m3 640
380
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
21
Strength to Weight: Bending, points 24
20
Thermal Diffusivity, mm2/s 4.3
8.1
Thermal Shock Resistance, points 21
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 24 to 26
16 to 18
Iron (Fe), % 62.2 to 69.2
78.3 to 82.8
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 1.2 to 2.0
0
Nickel (Ni), % 5.5 to 6.5
1.2 to 1.6
Nitrogen (N), % 0.14 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015