Zhejiang Matech Industry Company Limited

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Hangzhou Matech Steel Company Limited
Tel: +86-571-28350111
Fax: +86-571-86693517
Email: sales@matech-steel.com
Add: Floor 10, Xixi Vally E-Building, Xihu District, Hangzhou, Zhejiang province, China
Low Temperature Service Steel Pipes

Low Temperature Service Steel Pipes

Seamless steel tubes for low-temperature service This specification covers seamless and welded steel pipe for low temperature service. Low temperature service seamless pipes are application for low-temperature pressure container piping by the main standard GB/T18984-2003, ASTM/ASME A/SA333 with...

Seamless steel tubes for low-temperature service

This specification covers seamless and welded steel pipe for low temperature service.

Low temperature service seamless pipes are application for low-temperature pressure container piping by the main standard GB/T18984-2003, ASTM/ASME A/SA333 with steel grade 16MnDG, 10MnDG, A333 Gr.1, Gr.3, Gr.6

Sunny Steel offer an extensive range of Seamless steel pipes for low temperature sevice.

GB/T18984-2003 standard suitable for -49 to -148 degrees F cryogenic pressure vessel piping, and low-temperature heat exchanger tubes seamless steel pipe.

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ASTM/ASME A/SA-333 Grades allow for cold temperature service to minus 150 degrees F. Material is always provided in the normalized condition at a minimum and Charpy Impact tested to a specific temperature range to assure compliance with the required service temperature.

Low Temperature Steel Pipe Specifications & Grades

· ASTM A333 Low Temperature Pipe

· SA333 & A333 – Grades 1, 3, & 6

· Seamless steel tubes for low-temperature service

· A333-6 low temperature steel pipe welding

· GB/T18984 Low-temperature heat exchanger tubes

· Welding method of low carbon steel at a low temperature

· Low and medium pressure boiler pipe

Chemical Composition(%)

Grade

C

Si

Mn

P(max)

S

Ni

Mo

V

16MnDG

0.12-0.20

0.20-0.55

1.20-1.60

0.025

0.025

 -

 -

 -

10MnDG

<=0.13

0.17-0.37

<=1.35

0.025

0.025

 -

 -

<=0.07

A333 Gr.1

<=0.30

 -

0.40-1.06

0.025

0.025

 -

 -

 -

A333 Gr.3

<=0.19

0.18-0.37

0.31-0.64

0.025

0.025

3.18-3.82

 -

<=0.12

A333 Gr.6

<=0.30

>=0.10

0.29-1.06

0.025

0.025

 -

 -

 -

Mechanical Properties

Grade

Tensile strength

Lower yield strength(Rcl/Mpa)

Elongation

Rm/Mpa

W.T.<=16mm

W.T.>16mm

A/%

16MnDG

490-665

>=325

>=315

>=30

10MnDG

>=400

>=240

>=35

A333 Gr.1

>=205

>=380

>=35

A333 Gr.3

>=450

>=240

>=30

A333 Gr.6

>=455

>=250

>=30

Available Sizes:

· O.D.: from 3/4 to 20 inch

· W.T.: 0.102 to 4inch (2.6 to 100 mm)

· Length: max 16000mm

Marking:

· Pipes are supplied with marking according to standard and customer request.

· Marking is paint on the ends of pipes.

· The same data, as well as additional information per customer’s request, is indicated on the bundle’s tags.

Delivery:

· Pipes are supplied in hexagonal bundles or round bundles tied with steel strip.

· Weight of bundle – up to 5000 kg upon request of customer.

· Each bundle is furnished with three tags.

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  • Contact Us
    Hangzhou Matech Steel Company Limited
    Tel: +86-571-28350111
    Fax: +86-571-86693517
    Email: sales@matech-steel.com
    Add: Floor 10, Xixi Vally E-Building, Xihu District, Hangzhou, Zhejiang province, China
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