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EN 1.4477 Stainless Steel vs. AISI 334 Stainless Steel

Both EN 1.4477 stainless steel and AISI 334 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 (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4477 stainless steel and the bottom bar is AISI 334 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
180
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 22 to 23
34
Fatigue Strength, MPa 420 to 490
150
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 550 to 580
360
Tensile Strength: Ultimate (UTS), MPa 880 to 930
540
Tensile Strength: Yield (Proof), MPa 620 to 730
190

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 460
490
Maximum Temperature: Mechanical, °C 1100
1000
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 20
22
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.7
4.1
Embodied Energy, MJ/kg 52
59
Embodied Water, L/kg 190
170

Common Calculations

PREN (Pitting Resistance) 41
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
140
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
96
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 33
19
Strength to Weight: Bending, points 26 to 27
19
Thermal Shock Resistance, points 23 to 25
12

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 28 to 30
18 to 20
Copper (Cu), % 0 to 0.8
0
Iron (Fe), % 56.6 to 63.6
55.7 to 62.7
Manganese (Mn), % 0.8 to 1.5
0 to 1.0
Molybdenum (Mo), % 1.5 to 2.6
0
Nickel (Ni), % 5.8 to 7.5
19 to 21
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6