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AISI 317 Stainless Steel vs. EN 1.4912 Stainless Steel

Both AISI 317 stainless steel and EN 1.4912 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AISI 317 stainless steel and the bottom bar is EN 1.4912 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 220
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 35 to 55
40
Fatigue Strength, MPa 250 to 330
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 420 to 470
420
Tensile Strength: Ultimate (UTS), MPa 580 to 710
610
Tensile Strength: Yield (Proof), MPa 250 to 420
230

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
520
Maximum Temperature: Mechanical, °C 590
940
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 17
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 21
20
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.3
3.8
Embodied Energy, MJ/kg 59
55
Embodied Water, L/kg 160
140

Common Calculations

PREN (Pitting Resistance) 31
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 260
190
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 430
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20 to 25
22
Strength to Weight: Bending, points 20 to 22
20
Thermal Diffusivity, mm2/s 4.1
4.2
Thermal Shock Resistance, points 12 to 15
14

Alloy Composition

Carbon (C), % 0 to 0.080
0.040 to 0.1
Chromium (Cr), % 18 to 20
17 to 19
Iron (Fe), % 58 to 68
64.6 to 73.6
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 11 to 15
9.0 to 12
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015