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EN 1.4477 Stainless Steel vs. EN 1.4335 Stainless Steel

Both EN 1.4477 stainless steel and EN 1.4335 stainless steel are iron alloys. They have 86% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4477 stainless steel and the bottom bar is EN 1.4335 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
170
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 22 to 23
45
Fatigue Strength, MPa 420 to 490
210
Impact Strength: V-Notched Charpy, J 110
90
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 81
79
Shear Strength, MPa 550 to 580
400
Tensile Strength: Ultimate (UTS), MPa 880 to 930
570
Tensile Strength: Yield (Proof), MPa 620 to 730
230

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 460
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 20
25
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.7
4.4
Embodied Energy, MJ/kg 52
62
Embodied Water, L/kg 190
190

Common Calculations

PREN (Pitting Resistance) 41
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
210
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
130
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 33
20
Strength to Weight: Bending, points 26 to 27
19
Thermal Diffusivity, mm2/s 3.5
3.7
Thermal Shock Resistance, points 23 to 25
12

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 28 to 30
24 to 26
Copper (Cu), % 0 to 0.8
0
Iron (Fe), % 56.6 to 63.6
49.4 to 56
Manganese (Mn), % 0.8 to 1.5
0 to 2.0
Molybdenum (Mo), % 1.5 to 2.6
0 to 0.2
Nickel (Ni), % 5.8 to 7.5
20 to 22
Nitrogen (N), % 0.3 to 0.4
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.25
Sulfur (S), % 0 to 0.015
0 to 0.010