Over view of Nippon Yakin Kogyo Groupspecial.taobuxiu.com/special/20080911/img/4.pdfNYK Products shown by Ni and Cr content 0 10 20 30 40 50 60 70 80 90 100 0 5 10 15 20 25 30 Cr content

Foundation ：1925

Capital ：200 million dollars (22.2 billion yen)

Plant ：YAKIN Kawasaki Co., Ltd. (Steel Plant)

YAKIN Oheyama Co.,, Ltd. (Ni Ore Smelter)

Main Products ：Plates and Strips of Stainless steels,

Heat resistant Alloy, Super alloys

Annual Production

：300,000 tons

Employee ：1,017 persons（Mar. '07）

(Yakin Kawasaki 759 persons)

Trade Mark ：NAS

（Abbreviation of Nippon Yakin Austenite Stainless steel）

Over view of Nippon Yakin Kogyo Group

Copyrighted by Nippon Yakin Kogyo Co., LTD., 2008 March，2008

【NIPPON YAKIN GROUP】

【Production】・NAS TOA (tube)・NAS TOA Thailand・NAS Kotai（Thin products）

【Sales】・NAS Bussan（Sales）・NAS Engineering（ Construction）・Clean Metal (Sales)

【Services】NAS CreateMiyazu Koun （Transport）Kaya Kousan （Transport）NAS Business（System engineering）


日本冶金工業株式会社

株式会社 YAKINYAKIN 川崎

Nippon Yakin Kogyo Co., Ltd.

Sales

Production plant for steel Production plant for smelting

YAKIN Oheyama Co., Ltd.YAKIN Kawasaki Co., Ltd.

NYK Products shown by Ni and Cr content

0

10

20

30

40

50

60

70

80

90

100

0 5 10 15 20 25 30Cr content %

Ni c

onte

nt %

36Ni

42Ni

PB

PC

Ni201

304

600、600M

825

254N

840

660

800

310S

329J4L64N

47-6

21-6

430

PC-2

354N

690601

NW400

High corrosion resitance

329J3L

Soft magnetic

Monel

42-6

Hermetic

High thermal expansion

Low thermal expansion

Inconel

22-3

NW276

TraditionalDuplex

Hastelloy

409301

316

155N

IncoloySuper austenite

NW22

410

625

309S


DuplexStainless Steel


Application of NAS329J3L －Drum filter－

Drum filter for Paper IndustryNAS3293L

（5Ni-22Cr-3Mo-0.18Ｎ）


Application of Duplex stainless steelDesalination plant


CO2、H2S environment


Application of Super Duplex SAF2507（7Ni-25Cr-3.8Mo-0.3N） for Marine Structure

Standard DuplexUNS S32205

IMOA資料より


Application example of DuplexChemical Tanker

Duplex for Flue Gas DesulfurizationDuplex for Flue Gas Desulfurization

From seminar document of KOPEC


Pink colored environment can be covered by Super Duplex stainless steel

Super Austenitic Stainless Steel


Super Austenitic Application SUS836L S32053 (NAS254N: 23Cr-25Ni-5.5Mo-0.2N)

Environmentabt.7%NaCl、Temp. 40℃maxJapanese Soy Sauce Tank


Marine Structure（25Ｎｉ-23Ｃｒ-5.5Ｍｏ-0.2Ｎ）


SUS316SUS316は本体に著しい腐食がSUS316 is rusted while N254N has

no rust after 10 years of usageSUS316 is rusted while N254N has no rust after 10 years of usage

Installed in 1991

NAS254N

Flue gas Desulfurization （Coal Power plant）

Super Stainless ：NAS254N、NAS254NM、NAS255NM are used

Flue gas desulfurization plant（Calcium hydroxide-calcium sulfate method)）

SO2＋CaCO3＋1/2O2＋2H2O

→ CaSO4・2H2O（Calcium Sulfate）＋CO2

Absorption tower

Damper

Absorption tower


NAS354N


Plate type heat Exchanger


NAS354N application

NAS354N application

NAS354N is adopted to surface mounting double layer capacitor

SUS304corrosion

NAS354Nno corrosion

Electric double layer Capacitor case

Corrosion test resultin battery electrolyte by applying voltage


Gasification fusion furnace（35Ni-23Cr-7.5Mo-0.2N）

NAS354N

NAS３５４N


NAS354N applied to Heat Exchanger

・NAS354N：35Ni-23Cr-7.5Mo-0.2N・Dimension ：φ360、φ270・Environment: Petroleum refinery・Temp.：abt.130℃

・NAS354N：35Ni-23Cr-7.5Mo-0.2N・Dimension ：φ360、φ270・Environment: Petroleum refinery・Temp.：abt.130℃

NAS Toa Co., Ltd.


High Corrosion Resistant Alloys


・NASNM400：65Ni－34Cufor ：Desalination plant

Heat exchangerMarine Structure

・NASNM400：65Ni－34Cufor ：Desalination plant

Heat exchangerMarine Structure

Application of Monel400 -NASNW400-


Spiral Heat Exchanger

Heat Exchanger NNW22（57Ni-21Cr-14Mo-3W-4Fe）


KSH-1 Type

NNW276 Condenser

・NNW276：56Ni-16Cr-16Mo-4W・Dimension φ76.3×4t×96,000L

：φ2170×P140×11stage・Usage

：inner：Cooling Water: outer: Concentrated H2SO4


NAS Toa Co., Ltd.

Heat Resistant Alloys


Manifold using NAS800HT

・NAS800T：32Ni-21Cr-Ti、Al・Dimension ： φ800×32t×L・Application ：styrene-monomer reactor・Temp.：500℃～600℃


NYK's Group Company NAS Toa Co., Ltd.

Pressure vessel ofAtomic Reactor


Application of NAS600M

N600M Modified Inconel 600

（74Ni-16.5Cr-2.5Nb）

NAS 310S

NAS H840

NAS 800

NAS 600

NAS 601

Fe-25Cr-20Ni

Fe-20Cr-20Ni-Ti-Al

Fe-21Cr-32Ni-Ti-Al

Fe-15Cr-73Ni-Ti-Al

Sheath Heater

Heat resistant alloys and its application

Fe-23Cr-61Ni-1.3Al


Fe-Ni alloy


45m0.5m

27.8

m

38.7m

Fe-36%Ni

（GTT-NO93type)

400tons of Fe-36%Ni is used per vessel

Inside the tank made of Fe-36Ni

NAS36LG (36%Ni-Fe alloy) for LNG carrier


Main WingMitsubishi Heavy Industry

FuselageKawasaki Heavy Industry

Middle WingFuji Heavy Industry

NAS36 mold for Main Wing

Thickness ：6-20mm

Mold dimension ：6m×6m×1.2m

Boeing787 N36 is used as a mould for CFRP

After sticking a layer of Carbon Fiber Prepreg on the mould surface, CFRP is baked in a furnace with the mould in Vacuum pack. Low heat expansion is needed.

～NYK supplied 1,000 tons of N36 in 2006


NAS36 (36%Ni-Fe alloy) for mold

Caustic Soda (NaOH) Plant


（Ni201 and Titaniumare used as electrode)

YAKIN Kawasaki Co.,

Ltd.


Site surface：418,000m2

Haneda Air portHaneda Air port

Tama riverTama river

30min. to Tokyo 30min. To Yokohama

Keikyu Daishi LineKojimaShinDen stn.

5min. walk!From stn. to NYK

川崎大師

JR KawasakiStation

小島新田駅

日本冶金


We have won John Chipman Prize in march for non-metallic inclusion controlling by Iron & Steel Society.

First bestowal to Special alloy supplier

2002年3月26日

日刊工業新聞より


Technical Support• Technical advice for welding, press

forming, etc• Corrosion protection advice• Modification of Mechanical properties,

surface finish, etc

• Dispatch of Engineer from– Technical Research Team– Production Technology Team– Customer Satisfaction Team

– if necessary

Copyrighted by Nippon Yakin Kogyo Co., LTD., 2008 May，2008

Documents

Over view of Nippon Yakin Kogyo Groupspecial.taobuxiu.com/special/20080911/img/4.pdfNYK Products shown by Ni and Cr content 0 10 20 30 40 50 60 70 80 90 100 0 5 10 15 20 25 30 Cr content