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EN 1.4310 Stainless Steel vs. EN 1.4736 Stainless Steel

Both EN 1.4310 stainless steel and EN 1.4736 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4310 stainless steel and the bottom bar is EN 1.4736 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 45
28
Fatigue Strength, MPa 240 to 330
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 510 to 550
370
Tensile Strength: Ultimate (UTS), MPa 730 to 900
580
Tensile Strength: Yield (Proof), MPa 260 to 570
310

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
500
Maximum Temperature: Mechanical, °C 910
1000
Melting Completion (Liquidus), °C 1420
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 18
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 14
9.0
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 2.9
2.4
Embodied Energy, MJ/kg 42
35
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 20
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 260
140
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 830
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 32
21
Strength to Weight: Bending, points 23 to 27
20
Thermal Diffusivity, mm2/s 4.0
5.6
Thermal Shock Resistance, points 15 to 18
21

Alloy Composition

Aluminum (Al), % 0
1.7 to 2.1
Carbon (C), % 0.050 to 0.15
0 to 0.040
Chromium (Cr), % 16 to 19
17 to 18
Iron (Fe), % 66.4 to 78
77 to 81.1
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.8
0
Nickel (Ni), % 6.0 to 9.5
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0.2 to 0.8