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EN 1.4615 Stainless Steel vs. AISI 334 Stainless Steel

Both EN 1.4615 stainless steel and AISI 334 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4615 stainless steel and the bottom bar is AISI 334 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 50
34
Fatigue Strength, MPa 190
150
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 360
360
Tensile Strength: Ultimate (UTS), MPa 500
540
Tensile Strength: Yield (Proof), MPa 200
190

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 400
490
Maximum Temperature: Mechanical, °C 840
1000
Melting Completion (Liquidus), °C 1400
1410
Melting Onset (Solidus), °C 1360
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 13
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.8
4.1
Embodied Energy, MJ/kg 40
59
Embodied Water, L/kg 140
170

Common Calculations

PREN (Pitting Resistance) 17
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
140
Resilience: Unit (Modulus of Resilience), kJ/m3 99
96
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
19
Strength to Weight: Bending, points 18
19
Thermal Shock Resistance, points 11
12

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 14 to 16
18 to 20
Copper (Cu), % 2.0 to 4.0
0
Iron (Fe), % 63.1 to 72.5
55.7 to 62.7
Manganese (Mn), % 7.0 to 9.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.8
0
Nickel (Ni), % 4.5 to 6.0
19 to 21
Nitrogen (N), % 0.020 to 0.060
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6