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Published: 01 January 1990
Fig. 8 Hardness distribution for eight lots of 1038 steel bolts. Bolts, 13 mm ( 1 2 in.) in diameter, were all made from one heat of steel. The bolts were heat treated in one plant to eight different levels of nominal hardness. Tests were made in the originating plant and in seven More
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Published: 01 January 1990
Fig. 9 Fatigue data for 1040 and 4037 steel bolts. The bolts ( 3 8 by 2 in., 16 threads to the inch) had a hardness of 35 HRC. Tensile properties of the 1040 steel at three-thread exposure were yield strength, 1060 MPa (154 ksi); tensile strength (axial), 1200 MPa (175 ksi); tensile More
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Published: 01 January 2006
Fig. 13 Use of a shaper for correction of springback in U-bolts, J-bolts, or rings More
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Published: 01 January 1990
Fig. 1 Hardenability of 19 mm ( 3 4 in.) diam bolts made of 1541 steel and oil quenched. (a) Body section. (b) Threaded section. The curves represent the average as-quenched hardnesses of fifteen 19 mm ( 3 4 in.) diam bolts from one heat of each grade. C is center of the bolt More
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Published: 01 January 1990
Fig. 7 Relation of hardness and tensile strength for SAE grade 5 bolts made of 1038 steel More
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Published: 01 January 1990
Fig. 11 Fatigue limits for roll-threaded steel bolts. (a) Four different lots of bolts that were roll threaded, then heat treated to average hardness of 22.7, 26.6, 27.6, and 32.6 HRC. (b) Five different lots that were heat treated to average hardnesses of 23.3, 27.4, 29.6, 31.7, and 33.0 HRC More
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Published: 01 January 1990
Fig. 12 4137 steel bolts (hardness: 42 HRC) that failed by hydrogen-assisted SCC caused by acidic chlorides from a leaking polymer solution. (a) Overall view of failed bolts. (b) Longitudinal section through one of the failed bolts in (a) showing multiple, branched hydrogen-assisted stress More
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Published: 01 January 1990
Fig. 25 Manufacturing sequence for class 8.8 automotive bolts from microalloyed and carbon steels More
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Published: 01 January 2005
Fig. 31 Use of molded plastic caps on socket-head and hex-head bolts to avoid galvanic corrosion. Source: Ref 35 More
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Published: 01 January 2006
Fig. 11 Galvanic corrosion of type 304 stainless steel stud bolts that fastened two Alloy 20 (ACI CN-7M) pump components. The pump was pumping 45% H 2 SO 4 at 95 °C (200 °F). The stud bolts were anodic to the Alloy 20 pump housings. Courtesy of A.R. Wilfley & Sons, Inc., Pump Division More
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Published: 01 January 2005
Fig. 27 Deep pitting attack was discovered on steel bolts used to retain parts in a metal-shaping (cutting) machine. The surfaces of the bolts were covered with a black, oily substance, which, on analysis, was found to contain sulfurous species. Other steel parts also failed by pitting attack More
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Published: 01 January 2002
Fig. 9 Microstructures of stainless steel bolts that failed from SCC. (a) Branched intergranular cracking in a type 410 stainless steel bolt from lot 1 (see Example 4 ). Etched with picral plus HCl. 250×. (b) Microstructure of a type 416 stainless steel bolt typical of those in lots 2 and 3 More
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Published: 01 January 2002
Fig. 13 Cadmium-plated alloy steel self-retaining bolts that fractured because of hydrogen damage. (a) Fractured and unused intact bolt. (b) Fractured bolt; brittle fracture surface is indicated by A and B. (c) and (d) Electron fractographs of surfaces A and B, respectively, showing brittle More
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Published: 01 January 2005
Fig. 3 Effect of hardness on fatigue strength for bolts with threads rolled before or after heat treatment More
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Published: 01 January 1989
Fig. 3 Four working methods used in shaping. (a) Standard T-slot with bolts, blocks, and clamp plates. (b) Toe dogs for thin workpieces. (c) Outboard support with jacks for irregular workpieces. (d) Vise More
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Published: 09 June 2014
Fig. 64 Arcing in an inductor foot caused by loose bolts combined with dirt accumulation More
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Published: 01 January 1989
Fig. 3 Effect of hardness on fatigue strength for bolts with threads rolled before or after heat treatment More
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Published: 01 January 1996
Fig. 4 Stress concentration factor ( K t ) versus bolt diameter for bolts with standard metric threads. Source: Ref 14 More
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