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S44735 Stainless Steel vs. EN 1.4749 Stainless Steel

Both S44735 stainless steel and EN 1.4749 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 93% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S44735 stainless steel and the bottom bar is EN 1.4749 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
180
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 21
16
Fatigue Strength, MPa 300
190
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 82
80
Shear Strength, MPa 390
370
Tensile Strength: Ultimate (UTS), MPa 630
600
Tensile Strength: Yield (Proof), MPa 460
320

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 650
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 480
490
Thermal Expansion, µm/m-K 11
9.6

Otherwise Unclassified Properties

Base Metal Price, % relative 21
13
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 4.4
2.5
Embodied Energy, MJ/kg 61
36
Embodied Water, L/kg 180
160

Common Calculations

PREN (Pitting Resistance) 42
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
80
Resilience: Unit (Modulus of Resilience), kJ/m3 520
250
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 26
26
Strength to Weight: Axial, points 23
22
Strength to Weight: Bending, points 21
21
Thermal Shock Resistance, points 20
22

Alloy Composition

Carbon (C), % 0 to 0.030
0.15 to 0.2
Chromium (Cr), % 28 to 30
26 to 29
Iron (Fe), % 60.7 to 68.4
68.5 to 73.7
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 3.6 to 4.2
0
Nickel (Ni), % 0 to 1.0
0
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.045
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0.2 to 1.0
0