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GL320 Marine Steel Tube Outline
GL320 marine steel tube has a wide application in many fields, especially used for marine boiler, super-heater and I, II, III grade pressure piping tube manufacturing, and the manufacture of liquefied gas transportation and bulk chemical shipbuilding tube.

GL320 marine steel tube specifications:

OD: 14-340mm

Thickness: 2-30mm

GL320 marine steel tube Mechanical Property:

Grade

320

Rm(MPa)

320-440

Re(MPa)

≥195

A(%)

≥25

GL320 marine steel tube chemical composition:


Grade

C

Si

Mn

P

S

Cr

Mo

Ni

320

≤0.16

≤0.35

0.40～0.70

≤0.035

≤0.035

≤0.25

≤0.10

≤0.30

Here are some related products: GL360 marine steel tube, GL410 marine steel tube

JW Steel is a professional GL320 marine steel tube manufacturer. The mill of JW STEEL is a stated owned factory who has more than 30 years manufacturing experience in marine steel tube industry.
JW steel keeps more than 10,000 tons hot rolled and cold rolled GL320 marine steel tube, GL320 shipbuilding steel 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, drilling, welding, milling, machining and steel structure.