MakeItFrom.com
Menu (ESC)

EN 1.7390 Steel vs. S44700 Stainless Steel

Both EN 1.7390 steel and S44700 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.7390 steel and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
200
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 16
23
Fatigue Strength, MPa 310
300
Poisson's Ratio 0.29
0.27
Reduction in Area, % 50
45
Shear Modulus, GPa 74
82
Shear Strength, MPa 440
380
Tensile Strength: Ultimate (UTS), MPa 710
600
Tensile Strength: Yield (Proof), MPa 480
450

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 510
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
3.6
Embodied Energy, MJ/kg 23
49
Embodied Water, L/kg 69
180

Common Calculations

PREN (Pitting Resistance) 6.8
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
120
Resilience: Unit (Modulus of Resilience), kJ/m3 600
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
21
Strength to Weight: Bending, points 23
20
Thermal Shock Resistance, points 20
19

Alloy Composition

Carbon (C), % 0 to 0.18
0 to 0.010
Chromium (Cr), % 4.0 to 6.0
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 91.9 to 95.3
64.9 to 68.5
Manganese (Mn), % 0.3 to 0.8
0 to 0.3
Molybdenum (Mo), % 0.45 to 0.65
3.5 to 4.2
Nickel (Ni), % 0
0 to 0.15
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.2
Sulfur (S), % 0 to 0.015
0 to 0.020