Products tagged with 'bainite'

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Effect of Surface Hardness Distribution on SSC Propagation Behavior in Grade X65 Linepipe

Product Number: 51323-19238-SG

Author: Junji Shimamura, Daichi Izumi, Mitsuhiko Hakoda, Joe Kondo, Mohammed A. Alanezi, Yasser S. AlSubhi, Satoshi Yamaguchi

Publication Date: 2023

$20.00

Application of sour linepipes has expanded toward severe sour environment regions including higher H2S partial pressure conditions. In 2013, actual sour gas pipeline failure occurred due to SSC (Newbury et al., 2018). One of the possible root cause of SSC was assumed to be a formation of hard spots in a
surface region of steel. Fairchild et al. investigated and proposed three hard zone formation mechanisms including carbon contamination, dual phase microstructure and heat transfer variation in a recent paper (Fairchild et al., 2019; Newbury et al., 2019).

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Is 22 HRC the right threshold for TMCP large diameter pipes in severe sour environment?

Product Number: 51323-18943-SG

Author: Hervé Marchebois, Christophe Mendibide, Bruce Cowe, Carole Dessolin

Publication Date: 2023

$20.00

The manufacturing and field experience of high strength low alloy (HSLA) steel plates produced by Thermo-Mechanical Controlled Process (TMCP) are well defined in industry standards and literature. The TMCP method consists of a well-prescribed rolling pass schedule followed by accelerated cooling that leads to a fine-grain microstructure with the desired mechanical properties of the produced plates.
Quite recently, this TMCP process resulted in detrimental local variations with hidden hardness variations on pipe ID, so-called Local hard Zones (LHZ).

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OLAC (On-Line Accelerated Cooling)-based X65 Linepipe with low surface hardness for Severe Sour Environment

Product Number: 51321-16387-SG

Author: Junji Shimamura/Itaru Samusawa/Joe Kondo/Daichi Izumi/Nobuyuki Ishikawa

Publication Date: 2021

$20.00

Products tagged with 'bainite'

Effect of Surface Hardness Distribution on SSC Propagation Behavior in Grade X65 Linepipe

Is 22 HRC the right threshold for TMCP large diameter pipes in severe sour environment?

OLAC (On-Line Accelerated Cooling)-based X65 Linepipe with low surface hardness for Severe Sour Environment

Association for Materials Protection and Performance