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EN 1.4482 Stainless Steel vs. EN 1.7706 Steel

Both EN 1.4482 stainless steel and EN 1.7706 steel are iron alloys. They have 74% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4482 stainless steel and the bottom bar is EN 1.7706 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
17
Fatigue Strength, MPa 420 to 450
330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 770 to 800
690
Tensile Strength: Yield (Proof), MPa 530 to 570
500

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 980
440
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1370
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 12
3.7
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.7
2.3
Embodied Energy, MJ/kg 38
32
Embodied Water, L/kg 150
57

Common Calculations

PREN (Pitting Resistance) 24
4.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 250
110
Resilience: Unit (Modulus of Resilience), kJ/m3 690 to 820
670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 29
24
Strength to Weight: Bending, points 24 to 25
22
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 21 to 22
20

Alloy Composition

Carbon (C), % 0 to 0.030
0.15 to 0.2
Chromium (Cr), % 19.5 to 21.5
1.2 to 1.5
Copper (Cu), % 0 to 1.0
0 to 0.3
Iron (Fe), % 66.1 to 74.9
94.7 to 97.1
Manganese (Mn), % 4.0 to 6.0
0.5 to 0.9
Molybdenum (Mo), % 0.1 to 0.6
0.9 to 1.1
Nickel (Ni), % 1.5 to 3.5
0 to 0.4
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0.2 to 0.3