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EN 1.4307 Stainless Steel vs. EN 1.4361 Stainless Steel

Both EN 1.4307 stainless steel and EN 1.4361 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 1.4307 stainless steel and the bottom bar is EN 1.4361 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 270
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 46
43
Fatigue Strength, MPa 190 to 320
220
Impact Strength: V-Notched Charpy, J 91 to 94
90
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 410 to 550
440
Tensile Strength: Ultimate (UTS), MPa 590 to 900
630
Tensile Strength: Yield (Proof), MPa 200 to 570
250

Thermal Properties

Latent Heat of Fusion, J/g 290
350
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 940
940
Melting Completion (Liquidus), °C 1430
1370
Melting Onset (Solidus), °C 1380
1330
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 15
19
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.0
3.6
Embodied Energy, MJ/kg 43
52
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 19
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 210
220
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 810
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
23
Strength to Weight: Bending, points 20 to 27
21
Thermal Diffusivity, mm2/s 4.0
3.7
Thermal Shock Resistance, points 13 to 20
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.015
Chromium (Cr), % 17.5 to 19.5
16.5 to 18.5
Iron (Fe), % 66.8 to 74.5
58.7 to 65.8
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 8.0 to 10.5
14 to 16
Nitrogen (N), % 0 to 0.1
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
3.7 to 4.5
Sulfur (S), % 0 to 0.015
0 to 0.010