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EN 1.4919 Stainless Steel vs. EN 1.4307 Stainless Steel

Both EN 1.4919 stainless steel and EN 1.4307 stainless steel are iron alloys. They have a very high 95% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4919 stainless steel and the bottom bar is EN 1.4307 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
180 to 270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
14 to 46
Fatigue Strength, MPa 200
190 to 320
Impact Strength: V-Notched Charpy, J 110
91 to 94
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 400
410 to 550
Tensile Strength: Ultimate (UTS), MPa 590
590 to 900
Tensile Strength: Yield (Proof), MPa 230
200 to 570

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 950
940
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 19
15
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.8
3.0
Embodied Energy, MJ/kg 52
43
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 26
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
110 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 130
100 to 810
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
21 to 32
Strength to Weight: Bending, points 20
20 to 27
Thermal Diffusivity, mm2/s 4.3
4.0
Thermal Shock Resistance, points 13
13 to 20

Alloy Composition

Boron (B), % 0.0015 to 0.0050
0
Carbon (C), % 0.040 to 0.080
0 to 0.030
Chromium (Cr), % 16.5 to 18.5
17.5 to 19.5
Iron (Fe), % 62.8 to 71.5
66.8 to 74.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 10 to 13
8.0 to 10.5
Nitrogen (N), % 0 to 0.1
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015