MakeItFrom.com
Menu (ESC)

EN 1.4309 Stainless Steel vs. EN 1.7375 Steel

Both EN 1.4309 stainless steel and EN 1.7375 steel are iron alloys. They have 72% 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 1.4309 stainless steel and the bottom bar is EN 1.7375 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
20
Fatigue Strength, MPa 170
270
Impact Strength: V-Notched Charpy, J 90
80
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 490
620
Tensile Strength: Yield (Proof), MPa 210
400

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 960
460
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
39
Thermal Expansion, µm/m-K 17
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 16
3.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.1
1.8
Embodied Energy, MJ/kg 45
23
Embodied Water, L/kg 150
59

Common Calculations

PREN (Pitting Resistance) 21
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
110
Resilience: Unit (Modulus of Resilience), kJ/m3 110
420
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
22
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 4.1
11
Thermal Shock Resistance, points 11
18

Alloy Composition

Aluminum (Al), % 0
0.010 to 0.040
Carbon (C), % 0 to 0.030
0.1 to 0.15
Chromium (Cr), % 18 to 20
2.0 to 2.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 64.2 to 73
94.5 to 96.7
Manganese (Mn), % 0 to 2.0
0.3 to 0.8
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 9.0 to 12
0 to 0.3
Nitrogen (N), % 0 to 0.2
0 to 0.012
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0 to 1.5
0 to 0.3
Sulfur (S), % 0 to 0.025
0 to 0.010