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AISI 334 Stainless Steel vs. EN 1.4655 Stainless Steel

Both AISI 334 stainless steel and EN 1.4655 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 28 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 AISI 334 stainless steel and the bottom bar is EN 1.4655 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
23 to 25
Fatigue Strength, MPa 150
320
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
78
Shear Strength, MPa 360
460
Tensile Strength: Ultimate (UTS), MPa 540
720 to 730
Tensile Strength: Yield (Proof), MPa 190
450 to 480

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 490
440
Maximum Temperature: Mechanical, °C 1000
1050
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1370
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
15
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.1
2.9
Embodied Energy, MJ/kg 59
41
Embodied Water, L/kg 170
160

Common Calculations

PREN (Pitting Resistance) 19
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
150 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 96
510 to 580
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
26
Strength to Weight: Bending, points 19
23
Thermal Shock Resistance, points 12
20

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 18 to 20
22 to 24
Copper (Cu), % 0
1.0 to 3.0
Iron (Fe), % 55.7 to 62.7
63.6 to 73.4
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0.1 to 0.6
Nickel (Ni), % 19 to 21
3.5 to 5.5
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0.15 to 0.6
0