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AISI 317 Stainless Steel vs. EN 1.4378 Stainless Steel

Both AISI 317 stainless steel and EN 1.4378 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 29 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 AISI 317 stainless steel and the bottom bar is EN 1.4378 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 220
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 35 to 55
14 to 34
Fatigue Strength, MPa 250 to 330
340 to 550
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 420 to 470
510 to 680
Tensile Strength: Ultimate (UTS), MPa 580 to 710
760 to 1130
Tensile Strength: Yield (Proof), MPa 250 to 420
430 to 970

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 590
910
Melting Completion (Liquidus), °C 1400
1390
Melting Onset (Solidus), °C 1380
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 21
12
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 4.3
2.7
Embodied Energy, MJ/kg 59
39
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 31
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 260
150 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 430
470 to 2370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20 to 25
28 to 41
Strength to Weight: Bending, points 20 to 22
24 to 31
Thermal Shock Resistance, points 12 to 15
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 18 to 20
17 to 19
Iron (Fe), % 58 to 68
61.2 to 69
Manganese (Mn), % 0 to 2.0
11.5 to 14.5
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 11 to 15
2.3 to 3.7
Nitrogen (N), % 0 to 0.1
0.2 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.060
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030