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EN 1.4477 Stainless Steel vs. SAE-AISI 4130 Steel

Both EN 1.4477 stainless steel and SAE-AISI 4130 steel are iron alloys. They have 62% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 SAE-AISI 4130 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
200 to 300
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 22 to 23
13 to 26
Fatigue Strength, MPa 420 to 490
320 to 660
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 550 to 580
340 to 640
Tensile Strength: Ultimate (UTS), MPa 880 to 930
530 to 1040
Tensile Strength: Yield (Proof), MPa 620 to 730
440 to 980

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
43
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.7
1.5
Embodied Energy, MJ/kg 52
20
Embodied Water, L/kg 190
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
83 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
500 to 2550
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 33
19 to 37
Strength to Weight: Bending, points 26 to 27
19 to 29
Thermal Diffusivity, mm2/s 3.5
12
Thermal Shock Resistance, points 23 to 25
16 to 31

Alloy Composition

Carbon (C), % 0 to 0.030
0.28 to 0.33
Chromium (Cr), % 28 to 30
0.8 to 1.1
Copper (Cu), % 0 to 0.8
0
Iron (Fe), % 56.6 to 63.6
97.3 to 98.2
Manganese (Mn), % 0.8 to 1.5
0.4 to 0.6
Molybdenum (Mo), % 1.5 to 2.6
0.15 to 0.25
Nickel (Ni), % 5.8 to 7.5
0
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040

Comparable Variants