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EN 1.4313 Stainless Steel vs. AISI 334 Stainless Steel

Both EN 1.4313 stainless steel and AISI 334 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4313 stainless steel and the bottom bar is AISI 334 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 12 to 17
34
Fatigue Strength, MPa 340 to 510
150
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 460 to 600
360
Tensile Strength: Ultimate (UTS), MPa 750 to 1000
540
Tensile Strength: Yield (Proof), MPa 580 to 910
190

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
490
Maximum Temperature: Mechanical, °C 780
1000
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 10
16

Otherwise Unclassified Properties

Base Metal Price, % relative 10
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.4
4.1
Embodied Energy, MJ/kg 34
59
Embodied Water, L/kg 110
170

Common Calculations

PREN (Pitting Resistance) 15
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
140
Resilience: Unit (Modulus of Resilience), kJ/m3 870 to 2100
96
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 36
19
Strength to Weight: Bending, points 23 to 28
19
Thermal Shock Resistance, points 27 to 36
12

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0 to 0.050
0 to 0.080
Chromium (Cr), % 12 to 14
18 to 20
Iron (Fe), % 78.5 to 84.2
55.7 to 62.7
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0.3 to 0.7
0
Nickel (Ni), % 3.5 to 4.5
19 to 21
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6