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EN 1.4301 Stainless Steel vs. EN 1.4736 Stainless Steel

Both EN 1.4301 stainless steel and EN 1.4736 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4301 stainless steel and the bottom bar is EN 1.4736 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 46
28
Fatigue Strength, MPa 200 to 330
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 430 to 550
370
Tensile Strength: Ultimate (UTS), MPa 610 to 900
580
Tensile Strength: Yield (Proof), MPa 220 to 570
310

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
500
Maximum Temperature: Mechanical, °C 940
1000
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 15
9.0
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.0
2.4
Embodied Energy, MJ/kg 43
35
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 19
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 220
140
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 820
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 32
21
Strength to Weight: Bending, points 20 to 27
20
Thermal Diffusivity, mm2/s 4.0
5.6
Thermal Shock Resistance, points 14 to 20
21

Alloy Composition

Aluminum (Al), % 0
1.7 to 2.1
Carbon (C), % 0 to 0.070
0 to 0.040
Chromium (Cr), % 17.5 to 19.5
17 to 18
Iron (Fe), % 66.8 to 74.5
77 to 81.1
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 8.0 to 10.5
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0.2 to 0.8