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Die forgings

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Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001021
EISBN: 978-1-62708-161-0
... tolerances for steel forgings Forging size Tolerance Area Weight Thickness (a) Mismatch (a) Die wear 10 3 mm 2 in. 2 kg lb mm in. mm in. mm in. 3.2 5.0 0.45 1 +0.79, −0.41 +0.031, −0.016 +0.41 to +0.79 +0.016 to +0.031 +0.79 +0.031 4.5 7.0 3.2 7 +1.57, −0.79...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003097
EISBN: 978-1-62708-199-3
... tolerances for steel forgings Forging size Tolerance Thickness (a) Mismatch (a) , plus Die wear, plus Area Weight Plus Minus 10 3 mm 2 in. 2 kg lb mm in. mm in. mm in. mm in. 3.2 5.0 0.45 1 0.79 0.031 0.41 0.016 0.41 to 0.79 0.016 to 0.031 0.79 0.031 4.5...
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003978
EISBN: 978-1-62708-185-6
... different methods. (a) Welded nozzle. (b) Extruded nozzle Fig. 20 Contour forming of a pressure vessel head using a (a) full male die and a (b) partial male die Fig. 21 Contour forging of a straight forged bar to form a double bottleneck-shaped workpiece. (a) Original 320 kg (700 lb) bar...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003985
EISBN: 978-1-62708-185-6
... ) 0.081 125 0 0 0–1°30′ 1.5 0.06 3.3 0.13 2.3 0.09 2.3 0.09 Compositions of die materials for isothermal and hot-die forging Table 1 Compositions of die materials for isothermal and hot-die forging Alloy Composition (a) , % C Co Cr Fe Mo Ni Si Ti W Others...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003979
EISBN: 978-1-62708-185-6
.... 7 Metal flow (a) to (c) and load-stroke curve (d) in closed-die forging. (a) Upsetting. (b) Filling. (c) End Fig. 9 Variations in flash land-width-to-thickness ratio (top) and in flash thickness (bottom) with forging weight for carbon and alloy steel forgings in shape group 224 (see Fig...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009005
EISBN: 978-1-62708-185-6
.... 29 Relationship between crack width and stroke in truncated-cone indentation test for workability of various steels at cold forging temperatures. Source: Ref 58 Fig. 31 Typical deformation sequence in closed-die forging of a rib-web part, showing how laps can be generated if preform...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003183
EISBN: 978-1-62708-199-3
...Abstract Abstract Forging machines use a wide variety of hammers, presses, and dies to produce products with the desired shape, size, and geometry. This article discusses the major types of hammers (gravity-drop, power-drop, high speed, and open-die forging), and presses (mechanical, hydraulic...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004033
EISBN: 978-1-62708-185-6
... (0.05 in.) for conventional forging. (l) 3.2 mm (0.125 in.) for conventional forging Fig. 15 Conventional aluminum alloy shear tie forging, shown in plan and side views (a). Sections that were forged in two die sets and in three die sets are shown in (b). See Example 4 . Dimensions...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004035
EISBN: 978-1-62708-185-6
... 36 3 16 (0.188) Typical decarburization limits for steel forgings Table 2 Typical decarburization limits for steel forgings Section size, in. Depth of decarburization, in. Less than 1 0.031 1–4 0.047 4–8 0.062 More than 8 0.125 Die-wear tolerances...
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006739
EISBN: 978-1-62708-210-5
...–175 (6.001–7.000) 32 (29) 24 (22) 25 (23) Specified minimum strength properties of 7085-T7452 hand and die forgings (S- or A-basis) Table 4 Specified minimum strength properties of 7085-T7452 hand and die forgings (S- or A-basis) Thickness, mm (in.) Direction Hand forging (AMS...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003975
EISBN: 978-1-62708-185-6
...Composition of tool and die materials for hot forging Table 1 Composition of tool and die materials for hot forging Designation Nominal composition, % C Mn Si Co Cr Mo Ni V W Chromium-base AISI hot-work tool steels H10 0.40 0.40 1.00 … 3.30 2.50 … 0.50...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004032
EISBN: 978-1-62708-185-6
...Lubricant systems for steel cold forging Table 1 Lubricant systems for steel cold forging Process Deformation Lubrication Upsetting Light None Mi+EP+FA Severe Ph+SP Ironing and open-die extrusion Light Ph+Mi+EP+FA Severe Ph+SP Extrusion Light Ph+Mi+EP+FA...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003986
EISBN: 978-1-62708-185-6
...Variables that influence the accuracy of forgings Table 1 Variables that influence the accuracy of forgings Before forging Workpiece material Workpiece size Workpiece shape Die-making accuracy Die-measuring accuracy Die cavity surface Elastic die deformation Die...
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003987
EISBN: 978-1-62708-185-6
... with hand-stoned and polished dies Abstract Abstract Coining is a closed-die forging operation in which all surfaces of the workpiece are confined or restrained, resulting in a well-defined imprint of the die on the workpiece. This article focuses on the coining equipment (hammers and presses...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001032
EISBN: 978-1-62708-161-0
... (microalloyed) steels and the various parts of the rolling operation. The article summarizes some of the common tests for determining formability in open-die and closed-die forgings. References References 1. Sabroff A.M. , Boulger F.W. , and Henning H.J. , Forging Materials...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003141
EISBN: 978-1-62708-199-3
... fabrication, including all operations that convert ingot into general mill products, such as billet, bar, plate, sheet, strip, tube, and wire. The section on secondary fabrication describes processes such as die forging, extrusion, hot and cold forming, machining, chemical milling, and joining. The article...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003126
EISBN: 978-1-62708-199-3
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003996
EISBN: 978-1-62708-185-6
... 680–820 7050 360–440 680–820 7068 380–440 720–820 7075 380–440 720–820 7175 380–440 720–820 7085 360–440 680–820 Die temperature ranges for the forging of aluminum alloys Table 2 Die temperature ranges for the forging of aluminum alloys Forging process...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006493
EISBN: 978-1-62708-207-5
...Abstract Abstract This article examines aluminum forging processes, including open-die, closed-die, upset, roll, orbital, spin, and mandrel forging, and compares and contrasts their capabilities and the associated design requirements for forged parts. It discusses the effect of key process...
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
... processes for alloys for which the latter techniques are reported to have been employed. The lower limit of the forging temperature range is established for open-die forging operations in which reheating is recommended. (c) Alloys for which there are several compositional variations (primarily oxygen...