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Marine Carbon and Carbon-Manganese Steel Pipes and Tubes

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Marine Carbon and Carbon-Manganese Steel Pipes and Tubes


Marine Carbon and Carbon-Manganese Steel Pipes and Tubes

The marine carbon and carbon-manganese steel pipes and tubes are sort of shipbuilding steel pipes made of carbon and carbon-manganese steel. The pipes are applied to marine boilers and marine pressure systems. The manufacturing methods for the pipes are: WHR(WHEX), WHE, WCD(WCR). The process is seamless. We provide a full selection of pipe specifications, available for heavy wall, thin wall, large diameter, small diameter. The pipe ends is plain. If you have any specific requirements, full customization is available.

In addition to the marine carbon and carbon-manganese steel pipes and tubes, we also provide:

• Marine Stainless Steel Tubes

• Marine Seamless Steel Pipes

• Marine API Line Pipes

• Marine Seawater Corrosion Resistant Steel Pipes

• Marine Hydraulic Steel Pipes

• Marine Pressure Steel Pipes

• Marine Boiler Steel Pipes...

• Please contact us for a complete product catalog.

Steel Grades and Chemical Composition

Steel Grade

Chemical Composition %

C

Si

Mn

S

P

Residual Elements

Cr

Mo

Ni

Cu

gross

320

0.16

-

0.40~0.70

0.020

0.025

0.25

0.10

0.30

0.30

0.70

360

0.17

0.35

0.40~0.80

410

0.21

0.35

0.40~1.20

460

0.22

0.35

0.80~1.20

490

0.23

0.35

0.80~1.50

Mechanical Properties

Steel Grade

Tensile Strength

Rm

MPa

Lower Yield Strength

ReL

MPa

Elongation after Fracture

A

%

320

320~440

195

25

360

360~480

215

24

410

410~530

235

22

460

460~580

265

21

490

490~610

285

21

Allowable Deviation for Outer Diameter and Wall Thickness

Manufacturing Methods

Pipe Sizes

Allowable Deviation

WHR(WHEX)

Outer Diameter (D)

all sizes

1%D or 0.50

(to select larger value)

Wall Thickness (S)

20

+15%S, -10%S or +0.45, -0.30

(to select larger value)

>20

+10%S

WHE

Outer Diameter (D)

all sizes

1%D

Wall Thickness (S)

all sizes

15%S

WCD

(WCR)

Outer Diameter (D)

30

0.20

30

0.30

>50

0.8%D

Wall Thickness (S)

1.5S3

+12.5%S, -10%S

>3

10%S

Marine Carbon and Carbon-Manganese Steel Pipes and Tubes


Marine Carbon and Carbon-Manganese Steel Pipes and Tubes

Marine Carbon and Carbon-Manganese Steel Pipes and Tubes

Marine Carbon and Carbon-Manganese Steel Pipes and Tubes


Marine Carbon and Carbon-Manganese Steel Pipes and Tubes



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Our mail: manager@hiseamarine.com

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