Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe

Ship Pipes


 

Ship Pipe Standard: 

Det Norske Veritas (DNV) specification ----------- Det Norske Veritas (DNV)

Lloyd's Register(LR) specification -------- Lloyd's Register (LR)

American Bureauof Shipping (ABS) specification ------------ American Bureau of Shipping (ABS)

GermanischerLloyd (GL) specification ----- Germanischer Lloyd (GL)

Bureau Veritas(BV) specification ------------- Bureau Veritas (BV)

Nippon KaijiKyokai (NK) specification ---------- Nippon Kaiji Kyokai (NK)

Korean Registerof Shipping (KR) specification ------------- Korean Register of Shipping (KR)

RegistroItaliano Navale (RINA) specification -------- Italiano Navale (RINA)

ChinaClassification Society for Materials and Welding ----- China Classification Society(CCS)

GB/T5312-------------------------China NationalStandard
GB/T 14976------------------------China NationalStandard

Ship Pipes
Purpose:
For marine boiler with superheater and I, II, III grade pressure piping tubemanufacturing, as well as liquefied petroleum gas transportation and bulkchemical manufacturing marine pipe.


Main productionsteel model: 
320、360、410、00Crl7Nil4Mo2、0Cr18Ni9Ti Etc.Afterconsultation, can also supply other steel grades, types of steel pipe.

Mechanicalproperties:

Category

Grade

Tensile strength (MPa)

Yield strength (MPa)

Elongation (%)

Carbon and carbon-manganese steel

320

320~440

≥195

≥25

360

360~480

≥215

≥24

410

410~530

≥235

≥22

Austenitic stainless steel

00Cr17Ni14Mo2

≥480

≥175

≥35

0Cr18Ni9Ti

≥520

≥205

≥35

 

Chemicalcomposition:

Category

Grade

C

Si

Mn

P

S

Cr

Mo

Ni

Ti

Carbon and carbon-manganese steel

320

≤0.16

≤0.35

0.40~0.70

≤0.035

≤0.035

≤0.25

≤0.10

≤0.30

/

360

≤0.17

≤0.35

0.40~0.80

≤0.035

≤0.035

≤0.25

≤0.10

≤0.30

/

410

≤0.21

≤0.35

0.40~1.20

≤0.035

≤0.035

≤0.25

≤0.10

≤0.30

/

Austenitic stainless steel

00Cr17Ni14Mo2

≤0.030

≤1.00

≤2.00

≤0.030

≤0.030

16.00~18.00

2.00~3.00

12.00~15.00

/

0Cr18Ni9Ti

≤0.08

≤1.00

≤2.00

≤0.030

≤0.030

17.00~19.00

/

8.00~11.00

/

 

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