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EN 1.4724 Stainless Steel vs. EN 1.4713 Stainless Steel

Both EN 1.4724 stainless steel and EN 1.4713 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 93% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4724 stainless steel and the bottom bar is EN 1.4713 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
20
Fatigue Strength, MPa 170
160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
74
Shear Strength, MPa 340
320
Tensile Strength: Ultimate (UTS), MPa 550
520
Tensile Strength: Yield (Proof), MPa 280
250

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 390
370
Maximum Temperature: Mechanical, °C 850
800
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 21
23
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
4.6
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
1.7
Embodied Energy, MJ/kg 28
24
Embodied Water, L/kg 110
84

Common Calculations

PREN (Pitting Resistance) 13
7.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 73
84
Resilience: Unit (Modulus of Resilience), kJ/m3 210
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
19
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 5.6
6.2
Thermal Shock Resistance, points 19
18

Alloy Composition

Aluminum (Al), % 0.7 to 1.2
0.5 to 1.0
Carbon (C), % 0 to 0.12
0 to 0.12
Chromium (Cr), % 12 to 14
6.0 to 8.0
Iron (Fe), % 82.2 to 86.6
88.8 to 93
Manganese (Mn), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0.7 to 1.4
0.5 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015