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batch pickling

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Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001229
EISBN: 978-1-62708-170-2
... involved in the batch, continuous, and electrolytic pickling of carbon steel components. The article describes the effects of process variables on scale removal in sulfuric and hydrochloric acid. It concludes with a description of pickling defects, spent pickle liquor disposal, and safety practices...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003689
EISBN: 978-1-62708-182-5
... Abstract This article provides a discussion on the two basic steps of the batch hot dip galvanizing process: surface preparation and galvanizing. It describes the factors affecting coating thickness and coating structure. The mechanical properties of the coating and steel substrate are also...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001272
EISBN: 978-1-62708-170-2
... to avoid burning or damaging the castings in an assembly during the time required to pickle the hot rolled components. Two types of conventional batch galvanizing practices currently in use are the wet process and the dry process. Dry galvanizing was developed and refined in Europe. Recent surveys...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001314
EISBN: 978-1-62708-170-2
... (900 °F), and although electrolytic salt baths can be used as a batch process, they are more suitable for continuous operations such as descaling of strip. Two tanks are normally used for continuous processes. The work is made anodic in the first tank and cathodic in the second. Lead and zinc...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005777
EISBN: 978-1-62708-165-8
..., mechanical, chemical, and electrochemical and their effectiveness and applicability. The mechanical cleaning methods include grinding, brushing, steam or flame jet cleaning, abrasive blasting, and tumbling. Solvent cleaning, emulsion cleaning, alkaline cleaning, acid cleaning, pickling, and descaling are...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003213
EISBN: 978-1-62708-199-3
... constraints (batch vs. continuous operations), as well as the thickness, composition, and physical nature (cracks) of the scale. Pickling is applicable for many types of forgings and castings, for merchant bar, blooms, billets, sheet, strip, wire, and for tubing. ABRASIVE BLAST CLEANING...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005787
EISBN: 978-1-62708-165-8
... time cycles for annealing of alloy steels and carbon steel forgings. Different combinations of annealed microstructure and hardness are significant in terms of machinability. Furnaces for annealing are of two basic types, batch furnaces and continuous furnaces. The article concludes with a description...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006424
EISBN: 978-1-62708-192-4
... Abstract Both hot and cold forgings are batch-type processes in which steady-state conditions are never fully achieved and the initial lubricant supply must perform adequately for the duration of the operation. This article discusses methods to measure lubricant effectiveness and wear. It...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006276
EISBN: 978-1-62708-169-6
... and work hardening. Finally, the article provides information on the equipment used for the heat treating of copper and copper alloys, including batch-type atmosphere furnaces, continuous atmosphere furnaces, and salt baths. annealing bronzes cold forming copper copper alloys dispersion...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003094
EISBN: 978-1-62708-199-3
... include plain low-carbon steels (continuously annealed or batch annealed), IF steels (continuously annealed), and dual-phase steels (continuously annealed). Current automotive specifications for BH steels can be categorized according to those that specify a minimum yield strength level or a minimum...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001221
EISBN: 978-1-62708-170-2
... processes. Table 1 Comparative attributes of selected cleaning processes Rated on a scale where 10 = best and 1 = worst Attribute Hand wiping Immersion Emulsion Batch spray Continuous conveyor Ultrasonic Handling 2 7 7 5 9 7 Cleanness 4 3 5 7 7 10 Process control 3...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001011
EISBN: 978-1-62708-161-0
... usually accomplished at the mill by a recrystallization heat treatment such as annealing or normalizing. Low-temperature recrystallization annealing, or process annealing, can be used to soften cold-rolled low-carbon steel. When done as a batch process, this type of annealing is known as box...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001311
EISBN: 978-1-62708-170-2
... beneath the scale in order to avoid cracking during subsequent working operations. Heavy grease, oil, and black lubricant coatings resulting from cold working are removed by alkaline or caustic soaking, followed by acid pickling. To remove soil or light oil from a metal, cleaning by detergents, solvent...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004004
EISBN: 978-1-62708-185-6
.... Technol. , Vol 105 , 2000 , p 134 – 142 91. Geiger M. , Fatigue of PVD and CVD Coated Tool Steel for Cold Forging , Wire , Vol 47 ( No. 6 ), p 30 – 33 92. Jakicic B. et al. , STC Batch Furnace Offers Production Flexibility , Ind. Heat. , March 2001 93...
Book Chapter

Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001274
EISBN: 978-1-62708-170-2
.... 10 , based on the experience of one processor of small threaded parts, the consumption of phosphating solution concentrate is directly proportional to the area and thickness of the coating applied. These parts were immersion zinc phosphated, processed in batches in a rotating drum, to a coating...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005987
EISBN: 978-1-62708-168-9
...-the-batch and batch-to-batch distortion variation during heat treatment could necessitate grinding of gear teeth, with a very high associated cost. Furthermore, finish grinding reduces the surface case depth of the case-hardened gear, with an adverse impact on its wear performance and fatigue life...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005162
EISBN: 978-1-62708-186-3
...). Steels that exhibit bake-hardening behavior include plain low-carbon steels (continuously annealed or batch annealed), IF steels (continuously annealed), and dual-phase steels (continuously annealed). Automotive specifications for BH steels can be categorized according to those that specify a minimum...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001268
EISBN: 978-1-62708-170-2
... handling system consisting of a sump, a double-diaphragm pump, and an overhead conical storage reservoir with a pinch valve at the bottom is used to recycle the beads. More than one batch of glass beads can be used to speed production. As described above, the mechanical plating process can be used to...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004000
EISBN: 978-1-62708-185-6
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004190
EISBN: 978-1-62708-184-9
... chips and to separate individual wood fibers for use in papermaking. Wood chips are exposed to cooking liquors for several hours at elevated temperature and pressure in a process called digestion. Digestion may occur by repetitive batch processes in batch digesters, or the process may occur continuously...