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Figure 11.20 For cylindrical specimens of an oil-quenched 4140 steel, (a) tensile strength, (b) yield strength, and (c) ductility (percent elongation) versus tempering temperature for diameters of 12.5 mm (0.5 in.), 25 mm (1 in.), 50 mm (2 in.), and 100 mm (4 in.).

Figure 11.20 For cylindrical specimens of an oil-quenched 4140 steel, (a) tensile strength, (b) yield strength, and (c) ductility (percent elongation) versus tempering temperature for diameters of 12.5 mm (0.5 in.), 25 mm (1 in.), 50 mm (2 in.), and 100 mm (4 in.).

Welding: Principles and Applications (MindTap Course List)
Welding: Principles and Applications (MindTap Course List)
8th Edition
ISBN:9781305494695
Author:Larry Jeffus
Publisher:Larry Jeffus
Chapter26: Welding Metallurgy
Section: Chapter Questions
Problem 28R: How do ferrite and cementite work together to form a strong ductile steel?
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Please explain ths graph from Materials Science and Engineering
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500 550 600 650 Figure 11.20 For cylindrical specimens of an oil-quenched 4140 steel, (a) tensile strength, (b) yield strength, and (c) ductility (percent elongation) versus tempering temperature for diameters of 12.5 mm (0.5 in.), 25 mm (1 in.), 50 mm (2 in.), and 100 mm (4 in.). 1300 180 1200 1100 160 12.5 mm 1000 25 mm 140 900 50 mm 120 800 100 mm 700 (a) 1200 1100 160 12.5 mm 1000 140 900 25 mm 120 800 50 mm 700 100 600 100 mm 500 80 (b) 24 100 mm 22 50 mm 20 18 12.5 mm 16 25 mm 14 500 550 600 650 Tempering temperature ("C) (c) Ductility (%EL) Yield streng th (MPa) Tensile strength (MPa) Yield strength (ksi) Tensile strength (ksi)
Transcribed Image Text:500 550 600 650 Figure 11.20 For cylindrical specimens of an oil-quenched 4140 steel, (a) tensile strength, (b) yield strength, and (c) ductility (percent elongation) versus tempering temperature for diameters of 12.5 mm (0.5 in.), 25 mm (1 in.), 50 mm (2 in.), and 100 mm (4 in.). 1300 180 1200 1100 160 12.5 mm 1000 25 mm 140 900 50 mm 120 800 100 mm 700 (a) 1200 1100 160 12.5 mm 1000 140 900 25 mm 120 800 50 mm 700 100 600 100 mm 500 80 (b) 24 100 mm 22 50 mm 20 18 12.5 mm 16 25 mm 14 500 550 600 650 Tempering temperature ("C) (c) Ductility (%EL) Yield streng th (MPa) Tensile strength (MPa) Yield strength (ksi) Tensile strength (ksi)
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