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Seamless pipe

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Seamless pipes:

Seamless pipes are widely used, mainly for the manufacture of water wall pipes, boiling water pipes, superheated steam pipes,
superheated steam pipes for locomotive boilers, large and small smoke pipes and arched brick pipes.




Specificaton

Standard

ASTM A333

Steel Grade

16MnDG, 10MnDGM, 09DG, 09Mn2VDG, 06Ni3MoDG, ASTM A333-Grade1, Grade3, Grade4, Grade6, Grade7, Grade8, Grade9, Grade10, Grade11

Size Range

OD:1/2" to 24"; W.T.:4mm to 70mm; Length:6m to 12m

Certificate

The products are supplied with 3.1 specific test certificates, according to EN 10204. Certification according to 3.2 can be agreed at the time of ordering.

Key Words

Alloy Steel - Carbon Steel - Low-Temperature Services - Notch Toughness - Seamless Pipes and Tubes - Seamless Steel Pipes - Welded Pipes and Tubes - Welded Steel Pipes



Description

Low-Temperature Service Alloy Steel Pipe used in cryogenic alloy tubes is comparable to that of carbon structural steels. The utility model has the advantages of high strength, good comprehensive performance, long service life, wide application range, relatively economic, etc.. It is widely used in bridges, ships, boilers, vehicles and important building.


Normal Grade Chemical Requirements



Composition, %


Element

Grade 1

Grade 3

Grade 6

Carbon, max

0.30

0.19

0.30

Manganese

0.40 – 1.06

0.31 – 0.64

0.29 – 1.06

Phosphorous, max

0.025

0.025

0.025

Sulfur, max

0.025

0.025

0.025

Silicon

0.18 -0.37

0.10 min

Nickel

3.18 – 3.82



Normal Steel grade:

ASTM A333 Grade 6


Packing:

Bare packing / bundle packing / crate packing / wooden protection at the both sides of tubes and suitably protected for sea-worthy delivery or as requested.


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