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boilers pipe

Marine boilers pipe

0Cr18Ni9Ti
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Application:

Used for the manufacture of marine boilers and super-heaters and I, II, III pressure pipes, as well as LPG transportation and bulk chemicals

Standard for the manufacture of marine boilers and super-heaters and I, II, III pressure pipe systems, as well as LPG transport and bulk chemical tanker pipes:

Material and Welding Code of China Classification Society-China Classification Society (CCS).

Lloyd's Classification Society (GL) Specification-German Lloyd's Classification Society (GL).

Lloyd's Classification Society (LR) Code-Lloyd's Classification Society (LR).

French Classification Society (BV) Code-French Classification Society (BV).

American Classification Society (ABS) specification-American Classification Society (ABS).

Den norske Classification Society (DNV) Specification-Den norske Classification Society (DNV).

Japan Classification Society (NK) Code-Japan Classification Society (NK).

Korea Classification Society (KR) Code-Korea Classification Society (KR).

Italian Classification Society (RINA) Specification-Italian Classification Society (RINA)

The main production of steel pipe steel grade:

320、360、410、00Cr17Ni14Mo2、0Cr18Ni9Ti Etc.

After negotiation, steel pipes of other grades and grades can also be supplied.

Seamless steel tube and pipe for ship building usage and Chemical composition(%)

Society

Standard or usage

Steel grade

C

Si

Mn

P

S

Cr

Ni

Cu

Al

Mo

V

P+S

GLR

Non alloly

GL-R 410

≤0.21

≤0.35

≤1.4

≤0.025

≤0.02

-

-

-

≥0.020

-

-

-

GB 18248

37Mn

0.34~0.40

0.1~0.30

1.35~1.65

≤0.03

≤0.03

≤0.3

≤0.3

≤0.2

-

-

-

≤0.055

EN 10297

34CrMo4

0.3~0.37

≤0.4

0.6~0.90

≤0.035

≤0.035

0.9~1.20

-

-

-

0.15~0.30

-

-

DNV

for pressure ASTM A53/A53M

A53B

≤0.3

-

≤1.2

≤0.05

≤0.045

≤0.4

≤0.4

≤0.4

-

≤

≤

-

0.15

0.08

ABS

for pressure

Grade 3

≤0.3

-

≤1.2

≤0.05

≤0.045

≤0.4

≤0.4

≤0.4

-

≤0.15

≤0.08

-

BV

for pressure

410HB

≤0.21

≤0.35

0.4~1.20

≤0.04

≤0.04

-

-

-

-

-

-

-

LR

for pressure

410

≤0.21

≤0.35

0.4~1.20

≤0.045

≤0.045

≤0.25

≤0.3

≤0.3

-

≤

-

-

KR

for pressure

RST138

≤0.25

≤0.35

0.3~0.90

≤0.04

≤0.04

-

-

-

-

-

-

-

RST142

≤0.3

0.3~1.00

≤0.04

≤0.04

-

-

-

-

-

-

-

RST238

≤0.25

0.1~0.35

0.3~1.10

≤0.035

≤0.035

-

-

-

-

-

-

-

RST242

≤0.3

0.3~1.40

-

-

-

-

-

-

-

RST249

≤0.33

0.3~1.50

-

-

-

-

-

-

-

RST338

≤0.25

0.3~0.90

-

-

-

-

-

-

-

RST342

≤0.3

0.3~1.00

-

-

-

-

-

-

-

NK

for pressure

grade 1 No3/ KSTPG 42

≤0.3

≤0.35

0.3~1.00

≤0.04

≤0.04

-

-

-

-

-

-

-

Note：

residual elements:Cr≤0.25％, Mo≤0.10％, Ni≤0.30％, Cu≤0.30％,aggregate≤0.70％

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