Seamless Alloy Steel Boiler Tubes

OD:10-530mm
Wall thickness:1.5-70mm
Length: 5.8-12m
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Product Details

Seamless alloy steel boiler tubes has a hollow cross section, which is used in a large number of pipes for conveying fluids, such as pipes for oil, gas, water and certain solid materials. They are divided into hot rolled tubes, cold drawn tubes and extruded tubes according to the production methods. The shapes can be round, square, elliptical, triangular, hexagonal, etc.

OD:10-530mm
Wall thickness:1.5-70mm

Length: 5.8-12m

Standards and Applications 

Standards

Grades

Class

ASTM

ASTM A179

for seamless Cold-drawn low-carbon steel heat-exchanger and condenser tubes

ASTM A192

for seamless carbon steel boiler tubes for high-pressure service

ASTM A210

for seamless medium-carbon steel boiler and superheater tubes

ASTM A333

for seamless steel pipe for low-temperature service and other applications with required notch toughness

ASTM A519

for seamless carbon and alloy steel mechanical tubing

ASTM A252

for seamless and welded steel pipe piles

DIN

DIN 17175

for heat resistant seamless steel pipe lines

DIN 1629

for seamless circular tubes of non alloys steels wth special quality requirements

DIN 2391

for cold drawn or cold rolled precision seamless steel tubes

JIS

JIS G3454

seamless carbon steel pipe for pressure service

JIS G3456

seamless carbon steel pipe for high temperature service

JIS G3461

seamless carbon steel pipe for boiler and heat exchanger

EN

EN 10210

for hot finished seamless structural hollow sections of non-alloy steels

EN 10216

seamless steel tubes for pressure purposes


seamless pipe

Application

Compared with solid steel such as round steel, the seamless alloy steel boiler tubes are lighter when it has the same bending and torsional strength. It is an economical section steel and widely used in the manufacture of structural parts and mechanical parts, such as oil drill pipes, automobile transmission shafts, bicycles. Steel frames and other steel scaffolding used in construction are manufactured into ring-shaped parts, which can improve the material utilization rate, simplify the manufacturing process, save materials and processing man-hours.

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