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THEP DONG TAU Of TRUNG QUOC VA MOT SO NtfOfC

U TS. TRAN MINH HUAN

Biit minh biit ngUdi, hay xem ^^hang xom"

c&a ta ddng tau hit bao nhieu thep va diing cac loai thep gi va gia thep ddng tau ra saof

N a m 2 0 1 3 , cac cdng ty thep va ddng tau Trung Qud'e d l u trai qua sy d u thUa kha nang san xuat, thj tnJdng v I n trong tinh trang sa sdt, hieu qua kinh t l giam dang k l . Tuy thj trUdng ddng tau bien toan c l u phuc hoi cham chap, cac edng ty ddng tau b i l n nydc nay t l m bat cd hdi thj trddng d l phat t r i i n nhOng con tau b i l n mdi t i l t ki&m nang lyyng, t i m kiem dyyc cac hdp dong ddng m d i , giU duyc cac hyp dong da cd trong tay, dap Ung tich eye nhu cau cija nganh cdng nghiep ddng tau, gia tang vat t y mdi cho hang hai, tang cudng nghi&n cUu va phat trien edng nghe mdi, hd trd nang ca'p tai cd c l u nganh cdng nghiep ddng tau.

T i n h d&'n e u l i n a m 2 0 1 3 , khoang 70 cd sd can th&p ta'm cLia Trung Quoc sSn xuat dUdc tren 8 0 trigu ta'n, trong dd thep ta'm cho ddng tau c h i l m tdi 34 % - t h e p t a m va thep la can ndng cho d d n g tau dat tdi 3 0 t r i ^ u t i n , nang lUe ddng tau cd the dat tr&n 35 trieu ta'n tH trong, trong khi ddng tau n a m 201 3 c h l d^t dudi 10 trigu t a n , nhU vay ch? m d i sU d u n g dudi 3 0 % nSng luc ddng tau, hien tai thi k h o l n g 2 0 % cdng sua't san x u l t thep ta'm bj d d n g cda, Idi nhuan cua cac cdng ty d d n g tau bj thu hep lai nhanh chdng, vai cdng ty thep bat d l u rut ra khdi ddng tau.

A n h hudng thj trUdng van t i i b i l n toan c l u do cdng sua't sdn xua't vUdt qua mUc va thi trUdng tau bien trong t i n h trang sa sut 5 n a m lien tuc vUa qua, cac cdng ty van tai b i l n ti&'p tuc giam cac ddn hang d d n g tau b i l n m d i trong 2 0 1 3 , khien cac cdng ty van tai bien giam d a n g k l cac tau b i l n d d n g hoan tat va g i d m nhu cau tau b i l n .

Theo s i li^u t h i n g k& 2013 cua Hi&p hdi Gang- Thep Trung Q u I c , s i n lUdng tau b i l n cilia Trung Q u I c ch? dat 9,463 trigu t i n tai trpng, giam 13,5 % k l tU khi x l y ra khi!ing h o l n g tai chinh quoc t l do md rOng cdng suit sdn x u l t cua nam 2 0 1 2 , s i n x u l t thep t l m ddng t i u gidm 1/3, nhieu nha may thep phai ddng ct!fa hoac d trong tinh trang duy tu bao dUdng.

Cac cdng ty san xuat th&p ddng tau b i l n n h u Xiangtan Iron &Steel, Anshan Iron & Steel, Xinyu, Sha Steel, Baosteel da san x u l t th&p de ddng tau b i l n cd

tong tai trpng 7,71 tri&u t i n , c h i l m 81,5 % s i n ludnj tau trong nude, giam 0,5 % so vdi 2 0 1 2 . Trong dd 6(

% s i n lUdng thep cDa China Mimmetals Yingka M e d i u m Plate Co. Ltd 11 th&p ddng tau cd dg ben cao, thep ddng tau tang 13,3 % va 5,4 % t^i Xiangtar Steel va Dragon.

Sau nhieu n a m c l gang, n a m 2 0 1 3 cac cdng t) thep da ngi dja hda thep d d n g tau hdn 9 5 % , Trung Quoc ch? e I n nhap khau mOt vai loai th&p, n h d thep t l m cd sUe ben cao cho m d i tnJdng dUdi - 6 0 " C, Ung sua't dan hoi tdi 620 megapascals (MPa), sUc ben cao tdi 690 MPa, cac cau kien thep dac biet, cac loai thep dac biet nhU thep Ym-watt, thep khong gi duplex, chu ye'u dUdc sd dung de che tao tau bien chuyen chd k h i dot hda Idng (LNG), tau chd hoa chat, tau container Idn, thiet bi hang hai doi hoi thep CO nhUng thudc t i n h cd hgc, sUc ben keo, chju di/dc nhiet do tha'p, thep co thudc t i n h han tot, kha nang gia cong uo'n nan, khang m o n , gia cong nhiet,,.Yeu cau dac biet cua cac loai thep nhap khau nay co lien quan d e n : qua trinh kiem tra cd nhiet (TMCP). Cac nha may san xua't thep d Trung Quoc cung da lam chu dUdc cong nghe san xuat cac loai thep TMCP nay, tuy nhien vai nha may thep v i n con gap kiio khan ky thuat nhUchUa san xuat on d j n h , nha't la do chinh xac kho'ng che nhiet do, hieu nang cua cac san pham chUa on d i n h , Ung dung c h u m tia cong xon bang thep co do ben dac biet cao E Q 5 6 , 55 t6i 76 m m day. Hien tai thi tap doan Thep Bao Son va tap doan Gang-Thep Shagang cd kha nang san xuat duoc cac loai thep nay, tuy nhien v l n can phai nang cao chat luong va do on d i n h , n h u t h e p de san xuai chan gia dd ong thep la quan trong nha't phai phu hop vdi tieu chuan thep cua M y (American Standard ASTM A51 7 GR Q), b l day toi da 1 77,8 m m . Cong ty Wuyang Steel da phat trien mgt gia d d thep nay,

4 6 I Tap clir Doanh nghlOp Ctf khf & Ddi stfng - SS 7/2014

(2)

C0 khi ntrdc ngoai

I Mechanical New

nhyng van chua Ung dung duyc vao ddng tau va be day gia ch? dat t h I p hdn 150 m m .

Nam 2013, theo cac cdng ty v l n tai bien thi nhu cau tau b i l n hoan eh?nh giSm dang k l , sSn xuat dU thUa th&p l l m , gia tmng binh giam. Theo s i li&u thong k& gia toing binh thep tam ddng tau day 20 mm trong thang Gi&ng la 4.179 yuan/tan, gia trong thang Hai dat cao nhat la 4.249 yuanAin nhung giam xuong eon 3.983 yuanAin vao cuoi thang 7 va dau thang 8, va gia nay on dinh cho tdi cuoi thang 12. Gia tmng binh th&p t l m day 20 m m cija nam la 3.978 yuan/tan, giam 3,7

%, gia nay t h I p hon ehi phi san xuat tnjng binh la 4.400 yuanAin.

Thed Sd li&u t h i n g k& cua Clarksdn Research (Anh), trong 2013 the gidi cd 44,02 tri&u t i n t i i trgng (DWT) tau b i l n duyc thao d d so vdi kha nang thao d d l&n tdi 827 trieu t a n . MOt luyng Idn tau b i l n cu duyc thao dd cung cap s i t thep phe cho cac cdng ty th&p. Clarkson Research dU bao r i n g trong 2014 mot trong ly do khien thi trUdng v ^ n tai b i l n suy g i a m la gia nhien lieu cao, cd nhu cau nang cap tau b i l n d l t i l t k i e m nhi&n lieu, k&'t h y p hi&u s u i t t i n g h y p , s& cd nhieu tau cu duyc thao d d .

Sau nhieu nam co g i n g , san xuat va chat luyng th&p ddng tau Trung Quoc dUdc cai thi&n manh, nhUng so vdi cac nude nhu Nhat Ban va Han Quoc thi v§n cdn vai khoang each: nhat la be day, chieu rOng va c h i l u dai, do chfnh xic cua thep tam (phUdng Tay cd t h i can t l m day 200 m m , rgng 5 m va dai 35 m);

c6 mdt khoang each rOng so vdi th&p cd dg ben cao 36 kg cCia Nhat Ban va Han Quoc; y&u c l u thugc tfnh han dd'i vdi th&p t l m va vat tU han.. .Thyc t l y&u cau thdng phdng cao hdn, Tnjng Quoc cd khd khan trong cap g i l y chUng chf k i l m tra tau b i l n , k h i l n cho khd cd kha nang dya t i u bien da h o i n tat vao sU dyng nhU khi mat tau bj ro va nhCftig v l n de chat luyng khac xuat hien, cgnh p h i n g gdc th&p, dO t h i n g khdng cao, c?nh th&p nOi dja thudng it ra cung phai c i t di 10 mm khien cho chi phf gia cdng tang.

Nam 2013, thj trUdng ddng tau bien va v l n tai b i l n toan c l u I m len va gia ca mdi cung dan di vao I n d j n h . Nganh cdng nghi&p ddng tiu Tnjng Q u I c nhan duyc hyp dong ddng mdi gan 70 triOu tan tai trgng, tang 242 %, trong khi gia ca tang tUng thang, d a m b i o s i n x u l t binh thudng t^i cac xudng ddng tau trong mOt hai nam tdi, nhu c l u th&p cho ddng tau k h o l n g 13 tri&u tan trong dd 10 tri&u t i n th&p tam.

N a m 2 0 1 3 , thj trUdng tau b i l n mdi khdi phyc, mOt s i cd sd t$p trung vao phat t r i i n tau b i l n m d i , cdng nghg c h l tgo hign d^ii, quSn 1'^ t^i cho, d j n h vj thj tnJdng, c h i t lyyng ddng tau.

Nhu c l u thep ddng tau cd do b i n cao (trgng lUdng tau bien se giam di) t i l p tyc tang cho phu h y p vdi nhUng thay d i i cua tau b i l n Idn, do an toan, sdn dac bigt, xu hUdng chung !a thep t l m Loai A thdng thudng giam, thep t l m dp ben cao tang.

Hien tai Trung Quoc sd dung khoang 6 0 % thep ta'm ddng tau do ben cao nhU mac thep A H 3 2 - A H 3 6 ; D H 3 2 - D H 3 6 trong ddng tau thUdng mai ndi chung, 4 5 % trong ddng tau container, 3 0 % trong ddng tau chd dau thd. Hi&n nay thi cac nha may thep Idn cua Tmng Quoc cd k h i nang san xuat h l u h i t cac loai thep, thep ta'm day 12 m m g i n nhU khdng nhap khau.

Nhu cau san xua't thep dac bigt cung tang dang ke.

D l ddng tau bien ky thuat cao nhU tau b i l n dong lanh, tau chd khi dot hda Idng LNG, thung ap lUc chju dUde nhiet dO dUdi -163'*C... can phai co nhUng loai thep t l m dac biet. Nhin chung ngUdi ta sd dung hdn 1200 loai th&p, th&p tam, la va hinh.

Ngoai ra, nhu c l u doi vdi san pham thep d l san xuat mat phang c l u cd Idn, thep gdc tam giac deu Idn, tang be day dong nha't cua thanh ong khdng han va tang e l dp trdn cua dng. Sd d y n g thep khdng gf trong hang hai se tang nhU d l ddng tau chd L N G . Ddng tau chd LPG cung s& sU dyng nhieu thep khdng gf cd dO khang mdn va nhUng h y p k i m cd gdc nickel va nhUng v | t lieu khac (hien tai Trung Qud'e phai nhap t d DUc). Thep khong gf chu y l u dUdc sU dung cho ca'u trUe thap chUa cua tau bien, k l ca nhUng hop kim cd g l e nickel khang m o n . Cdng tac bao dUdng hg thong, b i n thep, b i n chUc LPG cung dUOc md rgng.

Trong khi d d , tau L N G , tau hda cha't lai sCf dung chu y l u thep khdng g? 295, c h i e m khoang 10 % trong lUdng cua toan con tau.

Theo Hi&p hpi Cdng nghigp ddng tau bien, tieu thu thep ddng tau bien cua Trung Quoc trong nam 2014 cd the tang 18,2 %, dat 13 trieu tan. Tuy nhien tang trUdng so lUdng tau bien ddng mdi la thap va ma't can doi giUa cung va cau trong thi trUdng hang hai. san luong cua 87 xUdng ddng tau bien Idn cua Trung Quoc trong thang Gieng va Hai nam nay tang 9,2%, dat doanh so 8 ty dd la My, va x u l t khau tau bien cua cac xUdng Idn nay tang len tdi 20%,

N a m 2014 chi phi san xuat thep s& tang. Gia quang sat cd the g i l m d i , ehi phi lao dgng, g i l m t h i l u , nang lUdng, lai c h i n h , von, dat d a i , v^n tai tang, chi phi phat trien cdng nghg se di vao can d i i cua cac nha may thep, k h i l n cho th&p ddng tau s& tang. •

NguSn: www.steetorbis.com/stepl

Tap chl Doanh nghlQp Ctf khi & DOI itfng - 56 7/20] A \ 4 7

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