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EN 1.4310 Stainless Steel vs. EN 1.7715 Steel

Both EN 1.4310 stainless steel and EN 1.7715 steel are iron alloys. They have 74% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4310 stainless steel and the bottom bar is EN 1.7715 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 45
21
Fatigue Strength, MPa 240 to 330
240
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 510 to 550
340
Tensile Strength: Ultimate (UTS), MPa 730 to 900
540
Tensile Strength: Yield (Proof), MPa 260 to 570
340

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 910
420
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 14
2.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.9
2.2
Embodied Energy, MJ/kg 42
30
Embodied Water, L/kg 140
52

Common Calculations

PREN (Pitting Resistance) 20
2.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 260
99
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 830
320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26 to 32
19
Strength to Weight: Bending, points 23 to 27
19
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 15 to 18
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.050 to 0.15
0.1 to 0.15
Chromium (Cr), % 16 to 19
0.3 to 0.6
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 66.4 to 78
96.5 to 98.3
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 0 to 0.8
0.5 to 0.7
Nickel (Ni), % 6.0 to 9.5
0 to 0.3
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 2.0
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.010
Vanadium (V), % 0
0.22 to 0.28