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API 5L B

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Published: 01 January 1993
Fig. 14 Tack weld in API 5L steel pipe. Pipe diameter, 150 mm (6 in.) wall thickness, 7 mm (0.28 in.). (a) Outside diameter view. (b) Inside diameter view More
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001037
EISBN: 978-1-62708-161-0
... on chemical composition and tensile properties. During the mid-1960s, several in-service and structural fabrication problems in Gulf of Mexico offshore structures were encountered. These problems indicated that common pipes such as API 5L B and structural steels such as ASTM A 7 and ASTM A 36 do not always...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001020
EISBN: 978-1-62708-161-0
... of carbon steel pipe (ASTM, API, and CSA) Table 4 Compositions of carbon steel pipe (ASTM, API, and CSA) Specification Pipe manufacturing process Material grade Composition, % (a) C Mn P S Si ASTM specifications A 53 (type F) Continuous or furnace butt welded (b...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001820
EISBN: 978-1-62708-180-1
... strength from American Petroleum Institute (API) grade A (207 MPa, or 30 ksi) to API 5L-X70 (483 MPa, or 70 ksi). Generally, API 5L Specification steels with yield strengths above 359 MPa (52 ksi) are microalloyed and controlled rolled to achieve the desired strength and fracture properties. Pipeline wall...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006822
EISBN: 978-1-62708-329-4
... ruptured during hydrotesting after approximately 60 years in service. The pipe ruptured at a pressure of 6.6 MPa (959 psig), which correlates to 69.9% of SMYS by 1954 API 5L specifications for grade B pipe. The subject line was installed in 1954, was used for natural gas transmission...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004211
EISBN: 978-1-62708-184-9
... Petroleum Institute (API), which takes into account new service experience, failures, and so on. See the section “Hydrogen Attack” in this article. Low-alloy steels are widely used for refinery service and are generally the C-Cr-Mo steels containing between 1 and 9% Cr. These steels have excellent...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006449
EISBN: 978-1-62708-190-0
... on the information desired, the production requirements, and product specifications. Many products require multiple inspection methods. For example, in the oil and gas industry, product specifications are issued by the American Petroleum Institute (API). The API Specification 5CT ( Ref 3 ) for casing and tubing...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001432
EISBN: 978-1-62708-173-3
..., grades A and B; A 501; A 516; A 524, grades I and II; A 529; A 570 (h) ; A 573, grade 65; A 709, grade 36 (c) ; API 5L (f) , grades B and X42; ABS (g) , grades A, B, D, CS, DS, and E Shielded metal arc welding with other than low hydrogen electrodes ⩽19 ⩽ 3 4 (e) (e) 19 < t...
Series: ASM Handbook
Volume: 4F
Publisher: ASM International
Published: 01 February 2024
DOI: 10.31399/asm.hb.v04F.a0007014
EISBN: 978-1-62708-450-5
... ). In this figure, the pearlite, bainite, and martensite start (P s , B s , M s ) and finish (P f , B f , M f ) temperatures, respectively, are marked. By superimposing the cooling pathways on this transformation diagram, the phases expected from the transformation may be identified. For example, at very slow...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002387
EISBN: 978-1-62708-193-1
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004213
EISBN: 978-1-62708-184-9
... plays in these failures, it is apparent that proper corrosion control can have a major impact on the safety, environmental preservation, and the economics of pipeline operation. The vast majority of underground pipelines are made of carbon steel, based on American Petroleum Institute API 5L...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006808
EISBN: 978-1-62708-329-4
.... Fig. 3 Schematic of defects and discontinuities in welded joints Fig. 4 Weld discontinuities affecting weld shape and contour. (a) Undercut and overlap in a fillet weld. (b) Undercut and overlap in a groove weld. (c) and (d) Underfill in groove welds It is important to understand...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001372
EISBN: 978-1-62708-173-3
... is connected with the tack weld. Fig. 14 Tack weld in API 5L steel pipe. Pipe diameter, 150 mm (6 in.) wall thickness, 7 mm (0.28 in.). (a) Outside diameter view. (b) Inside diameter view The 1G, 2G, and 5G positions for welding pipe are shown in Fig. 15 . Fig. 15 Typical welding...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003206
EISBN: 978-1-62708-199-3
... 17–22 E70XX 480–500 70–72 390–420 57–60 17–25 E80XX 550 80 460–550 67–80 16–24 E90XX 620 90 530–620 77–90 14–24 E100XX 690 100 600 87 13–20 E110XX 760 110 670–760 97–110 15–20 E120XX 830 120 740–830 107–120 14–18 Classification (b) Flat position...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0006948
EISBN: 978-1-62708-439-0
... concentrations caused by stairstepping. In general, it is important to consider the overall part geometry and mechanical loading with anisotropic material properties in mind ( Ref 47 ). Fig. 7 Toolpaths to place filaments in a snap-fit. (a) Poor. (b) Good. Source: Ref 46 Fig. 8 Orientation...
Series: ASM Handbook
Volume: 4F
Publisher: ASM International
Published: 01 February 2024
DOI: 10.31399/asm.hb.v04F.9781627084505
EISBN: 978-1-62708-450-5
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006788
EISBN: 978-1-62708-295-2
... that were able to produce acetic acid and hydrogen sulfide on corrosion fatigue for ASTM A36, API 5L, X52, and X70 steel. A significant increase in crack-growth rate, observed across a wide range of stress-intensity-factor amplitudes, was attributed to hydrogen uptake into the steel. Metastable sulfur...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.9781627081993
EISBN: 978-1-62708-199-3