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EN 1.4313 Stainless Steel vs. EN 1.4057 Stainless Steel

Both EN 1.4313 stainless steel and EN 1.4057 stainless steel are iron alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4313 stainless steel and the bottom bar is EN 1.4057 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 12 to 17
11 to 17
Fatigue Strength, MPa 340 to 510
320 to 430
Impact Strength: V-Notched Charpy, J 55 to 70
16 to 21
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 460 to 600
520 to 580
Tensile Strength: Ultimate (UTS), MPa 750 to 1000
840 to 980
Tensile Strength: Yield (Proof), MPa 580 to 910
530 to 790

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
400
Maximum Temperature: Mechanical, °C 780
850
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
25
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.4
2.2
Embodied Energy, MJ/kg 34
32
Embodied Water, L/kg 110
120

Common Calculations

PREN (Pitting Resistance) 15
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
96 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 870 to 2100
700 to 1610
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 36
30 to 35
Strength to Weight: Bending, points 23 to 28
26 to 28
Thermal Diffusivity, mm2/s 6.7
6.7
Thermal Shock Resistance, points 27 to 36
30 to 35

Alloy Composition

Carbon (C), % 0 to 0.050
0.12 to 0.22
Chromium (Cr), % 12 to 14
15 to 17
Iron (Fe), % 78.5 to 84.2
77.7 to 83.4
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0.3 to 0.7
0
Nickel (Ni), % 3.5 to 4.5
1.5 to 2.5
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015

Comparable Variants