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ASTM A228

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Series: ASM Handbook Archive
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000607
EISBN: 978-1-62708-181-8
... and use of an acid cleaning process. Material: ASTM A228 (0.70 to 1.0% C). Fig. 296 : Three hydrogen/residual tensile stress induced cracks on wire surface. SEM, 30×. Fig. 297 : Boxed area in Fig. 296 . SEM, 150×. Fig. 298 : Surface of one wire fracture. Hydrogen crack is at upper left and is 0.35 mm...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006836
EISBN: 978-1-62708-329-4
..., and microhardness testing did not reveal anything unusual, and the microhardness results indicated the wire met the requirements of ASTM A228 when the values were converted to tensile strength estimates. Fractography clearly established failure by fatigue as a result of the high loads caused by improper design...