Joinwin Marine steel pipe

Marine steel pipe

Marine steel pipe

Marine steel pipe is used for marine boiler, superheater and I, II, III grade pressure piping tube manufacturing, and the manufacture of liquefied gas transportation and bulk chemical shipbuilding tube. The size of marine steel pipe is: OD: 14-340mm, Thickness: 2-30mm.

Products list:

LR 320

LR 360

LR 410

NK 320

NK 360

NK 410

BV 320

BV 360

BV 410

GL 320

GL 360

GL 410

KR 320

KR 360

KR 410

RINA 320

RINA 360

RINA 410

ABS 320

ABS 360

ABS 410

DNV 320

DNV 360

DNV 410

Marine steel pipe chemical composition:

Grade

C

Si

Mn

P

S

Cr

Mo

Ni

Ti

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

/

Marine steel pipe mechanical property:

Grade

Rm(MPa)

Re(MPa)

A(%)

320

320~440

<195

<25

360

360~480

<215

<24

410

410~530

<235

<22

JW steel keeps more than 10,000 tons marine steel pipe for shipbuilding in stock each month. We can meet our customer’s any quantity request. Based on these stock source, our advantage industry spread into steel process like: cutting ( any size and any shape ) drilling, welding, milling, machining and steel structure.

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