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S44735 Stainless Steel vs. EN 1.7703 Steel

Both S44735 stainless steel and EN 1.7703 steel are iron alloys. They have 69% of their average alloy composition in common. There are 28 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 S44735 stainless steel and the bottom bar is EN 1.7703 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 21
20
Fatigue Strength, MPa 300
320 to 340
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 82
74
Shear Strength, MPa 390
420 to 430
Tensile Strength: Ultimate (UTS), MPa 630
670 to 690
Tensile Strength: Yield (Proof), MPa 460
460 to 500

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
460
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 21
4.2
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 4.4
2.5
Embodied Energy, MJ/kg 61
35
Embodied Water, L/kg 180
61

Common Calculations

PREN (Pitting Resistance) 42
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 520
570 to 650
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 23
24
Strength to Weight: Bending, points 21
22
Thermal Shock Resistance, points 20
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0.11 to 0.15
Chromium (Cr), % 28 to 30
2.0 to 2.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 60.7 to 68.4
94.6 to 96.4
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 3.6 to 4.2
0.9 to 1.1
Nickel (Ni), % 0 to 1.0
0 to 0.25
Niobium (Nb), % 0.2 to 1.0
0 to 0.070
Nitrogen (N), % 0 to 0.045
0 to 0.012
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 0.2 to 1.0
0 to 0.030
Vanadium (V), % 0
0.25 to 0.35