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DNV 320 marine steel pipe

DNV 320 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.

DNV 320 marine steel pipe specifications-OD: 14-340mm, Thickness: 2-30mm

DNV 320 marine steel pipe Mechanical Property:

Grade

Rm(MPa)

Re(MPa)

A(%)

320

320-440

≥195

≥25

DNV 320 marine steel pipe 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

Related products: DNV 360 marine steel pipe, DNV 410 marine steel pipe

JW steel keeps more than 10,000 tons hot rolled and cold rolled DNV 320 marine steel pipe, DNV 320 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 ( any size and any shape ) drilling, welding, milling, machining and steel structure.