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EN 1.4318 Stainless Steel vs. EN 1.4567 Stainless Steel

Both EN 1.4318 stainless steel and EN 1.4567 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4318 stainless steel and the bottom bar is EN 1.4567 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
190 to 240
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 44
22 to 51
Fatigue Strength, MPa 340
190 to 260
Impact Strength: V-Notched Charpy, J 85
91 to 110
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 520
390 to 490
Tensile Strength: Ultimate (UTS), MPa 740
550 to 780
Tensile Strength: Yield (Proof), MPa 380
200 to 390

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 910
930
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
11
Thermal Expansion, µm/m-K 16
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
16
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.1
Embodied Energy, MJ/kg 39
43
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 20
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
150 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 360
100 to 400
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
19 to 27
Strength to Weight: Bending, points 23
19 to 24
Thermal Diffusivity, mm2/s 4.0
3.0
Thermal Shock Resistance, points 17
12 to 17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.040
Chromium (Cr), % 16.5 to 18.5
17 to 19
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 70.2 to 77.4
63.3 to 71.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 6.0 to 8.0
8.5 to 10.5
Nitrogen (N), % 0.1 to 0.2
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015