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S15700 Stainless Steel vs. EN 1.4961 Stainless Steel

Both S15700 stainless steel and EN 1.4961 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common.

For each property being compared, the top bar is S15700 stainless steel and the bottom bar is EN 1.4961 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 460
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 1.1 to 29
39
Fatigue Strength, MPa 370 to 770
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 770 to 1070
420
Tensile Strength: Ultimate (UTS), MPa 1180 to 1890
610
Tensile Strength: Yield (Proof), MPa 500 to 1770
220

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 400
510
Maximum Temperature: Mechanical, °C 870
890
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 15
21
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.4
4.0
Embodied Energy, MJ/kg 47
57
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 23
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 270
190
Resilience: Unit (Modulus of Resilience), kJ/m3 640 to 4660
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 42 to 67
22
Strength to Weight: Bending, points 32 to 43
20
Thermal Diffusivity, mm2/s 4.2
4.3
Thermal Shock Resistance, points 39 to 63
14

Alloy Composition

Aluminum (Al), % 0.75 to 1.5
0
Carbon (C), % 0 to 0.090
0.040 to 0.1
Chromium (Cr), % 14 to 16
15 to 17
Iron (Fe), % 69.6 to 76.8
65.6 to 72.3
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 6.5 to 7.7
12 to 14
Niobium (Nb), % 0
0.4 to 1.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0.3 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.015