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Carbon Steel Seamless Steel Tubes for Ship

 
 

●Standards：

Standard for malerials and wielding from Chinese classifying society Chinese clasifying society(CCS)
Standard of DNV Det Norske Veritas(DNV)
Standard of Lloyd’S Register of UK(LR)Lloyd’S Register of UK(LR)
Standard of Germanischer Lloyd Germanischer Lloyd(GL)
Standard of American Bureau of Shipping(ABS)American Bureau of Shipping(ABS)
Standard of BUREAU VERITAS(BV)BUREAU VERITAS(BV)
Standard of RINA Italian classification society(RINA)
Standard of NIPPON KAIJI KYOKAI(NK)NIPPON KAIJI KYOKAI(NK)
GB／T5312 Chinese national standard

●Spec.:19-159*2-18mm

●Application ：

Seamless steel tubes for manufacturing marine boilers and overheating as we as pressure pipes of grade I and Ⅱ．

●Model N0．of major steel tubes: 320，360，410，460.

Types of steel tubes

Outer diameters

wall thickness

Cold-rolled tubes

Rube size(mm)

tolerances(mm)

Tube sizes (mm)

Tolerances(mm)

＞30～50

±0.3

≤30

±10％

＞50～219

±0.8％

Hot-rolled tubes

＞219

±1.0％

＞20

±10％

●Mechanocal properties：

Standard code

Models of steel tubes

Tensile strength（MPa）

Yield strength（MPa）

Elongation（％）

GB/T5312

320

320～410

≥195

≥25

360

360～480

≥215

≥24

410

410～530

≥235

≥22

460

460～580

≥265

≥21

490

490～610

≥285

≥21

●Chemical composition :

Standard code

Models of steel tubes

Chemical compisition（％）

C

Si

Mn

P

S

GB/T5312

320

≤0.16

≤0.35

0.40～0.70

≤0.035

≤0.035

360

≤0.17

≤0.35

0.40～0.80

≤0.035

≤0.035

410

≤0.21

≤0.35

0.40～1.20

≤0.035

≤0.035

460

≤0.22

≤0.35

0.80～1.40

≤0.035

≤0.030

490

≤0.23

≤0.35

0.80～1.50

≤0.035

≤0.030

●Note：residual elements:Cr≤0.25％，Mo≤0.10％，Ni≤0.30％，Cu≤0.30％aggregate≤0.70％

  
 
 
Product
....Seamless Steel Pipe...

Anyang General International Co.,Ltd
 
Anyang General International Co.,Ltd ISO 9001:2000
Add:Suite A,4/F Jinhao Business Bld.,Renmin Rd.,Anyang,Henan,P.R.C Zip Code:455000
Tel:(86) 372 5965148 Fax:( 86) 372 5951936 E-mail: info@minmetalschina.com web:Steel Pipe and Tube
AGICO is a Main Distributor of Carbon steel seamless steel tubes for ship in China, We can mamufacture Carbon steel seamless steel tubes for ship, We Can Also Supply Water-Gas Steel Pipe, Threaded Steel Pipe,Steel Pipe Flanges,and Large Diameter Steel Pipe as per Standards GB, ASTM, API 5CT, API 5L and DIN