Stainless Steel Tankships a First in Japan

Press Release
Sunday, April 28, 2013
Stainless Steel Tankship: Photo courtesy of Hakata Shipbuilding

Duplex stainless steel, NSSC®2120 by Nippon Steel & Sumikin Stainless Steel Corporation was recentlly chosen for the construction of two domestic tankers.

Sasaki Shipbuilding Co., Ltd. & Hakata Shipbuilding Co., Ltd. became the first shipbuilders in Japan to use stainless steel in the recent construction of the vessels, although these days, duplex stainless steels (ASTM A240M S31803, S32205) are increasingly being used for the construction of chemical tankers around the world.

Nippon Steel & Sumikin Stainless Steel's NSSC®2120 (21Cr-2Ni-N, ASTM A240M S82122), which was given process approval by ClassNK (Nippon Kaiji Kyokai) in November 2011, reduces material cost due to its high-strength design, cutting back on steel use while providing greater corrosion resistance. NSSC®2120 and the manufacturers highly recommend it as a substitute for SUS304 which is currently being used in tankship construction.

Main features of NSSC®2120 :
    1.    It has a strength (0.2% proof stress) nearly twice that of SUS304, facilitating using less steel.
    2.    Low levels of Ni and Mo (2%Ni is 1/4 of SUS304) make greater economic sense and price stability.
    3.    Loading capacity for chemical cargos is equal to SUS304.
    4.    Pitting corrosion resistance to seawater and other chlorides is equal to or better than SUS304.
    5.    Corrosion resistance to sulfuric and other acids is better than SUS304.
    6.    It is usable for wide-width cladding, providing a cost advantage over heavy-walled solids.
    7.    It has good weldability, making possible CO2 gas-shielded arc welding, as well as submerged arc welding.
(Welding material: SUS329J3L)


 


 

Maritime Reporter August 2014 Digital Edition
FREE Maritime Reporter Subscription
Latest Maritime News    rss feeds

Shipbuilding

ClassNK's Noboru Ueda Attends KOTC Delivery Ceremony

Mr. Noboru Ueda, Chairman and President of ClassNK attended the delivery ceremony for the M/T Al Yarmouk, constructed at Daewoo Shipbuilding & Marine Engineering Co.

RIMPAC Exercise Puts LCS Through Paces

It was the middle of May, and the littoral combat ship Independence was operating out of San Diego, testing components of the mine warfare mission package. The mission is one that,

New Superyacht ROCKIT.IT Launched by Feadship

Feadship says it has launched the outstanding 60.35-metre motoryacht ROCK.IT. Created for an experienced owner who has chartered Feadships and appreciated the essence of the brand,

Tanker Trends

Russia's Shipping Major Reports Strong 1H 2014

OAO Sovcomflot (SCF Group), Russia’s largest shipping company and a global leader in seaborne energy transportation and offshore services, has announced its financial

Tankship-specific Version of FindaportCD Released

Harbour & terminal information providers, Shipping Guides Ltd, says its latest tanker-specific  addition enables customers to access the most comprehensive port

ClassNK's Noboru Ueda Attends KOTC Delivery Ceremony

Mr. Noboru Ueda, Chairman and President of ClassNK attended the delivery ceremony for the M/T Al Yarmouk, constructed at Daewoo Shipbuilding & Marine Engineering Co.

 
 
Maritime Contracts Maritime Security Maritime Standards Naval Architecture Offshore Oil Port Authority Salvage Ship Electronics Sonar Winch
rss | archive | history | articles | privacy | terms and conditions | contributors | top maritime news | about us | copyright | maritime magazines
maritime security news | shipbuilding news | maritime industry | shipping news | maritime reporting | workboats news | ship design | maritime business

Time taken: 0.1567 sec (6 req/sec)