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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
ASTM A333 Low Temperature Steel Pipe

ASTM A333 Low Temperature Steel Pipe

ASTM A333 Low Temperature Pipe ASTM A333 (ASME S/A-333) Pipe grades permit low temperature service. This specification covers nominal (average) walled pipe almost exclusively in seamless. Several grades of ferritic steel are included. Some product sizes may not be available under this...

ASTM A333 Low Temperature Pipe

ASTM A333 (ASME S/A-333) Pipe grades permit low temperature service. This specification covers nominal (average) walled pipe almost exclusively in seamless.

Several grades of ferritic steel are included. Some product sizes may not be available under this specification because heavier wall thicknesses have an adverse effect on low-temperature impact properties.

· 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

Main ASTM A333 alloy pipes/tubes

ASTM A333 (ASME S/A-333) Pipe grades permit low temperature service.

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ASTM A333 Gr.1 pipe

ASTM A333 Grade 1 alloy pipe shall be made by the seamless or welding process...

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A333 Gr.6 seamless pipe 

ASTM A333 Grade 6 covers seamless and welded steel pipe for low temperature service.

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ASTM A333 Gr.10 pipe

ASTM A333 Grade 10 covers seamless and welded steel pipe for low temperature service.

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ASTM A333 Grade 3 Pipe

ASMT A333 Grade 3 seamless and welded pipes shall be treated to control their microstructure.

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ASTM A333 Grade 9

ASMT A333 Grade 9 seamless and welded pipes shall be treated to control their microstructure.

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ASTM A333 Grade 7 Pipe

ASMT A333 Grade 7 seamless and welded pipes shall be treated to control their microstructure.

A333 pipe is furnished to nine different grades designated by numbers 1, 3, 4, 6, 7, 8, 9, 10, & 11. Discussed herein are Grades 1 and 6.

Sunny Steel Supply supplies a full range of ASTM A333 (ASME S/A 333)

Grades: ASTM A333 Grade 1 and Grade 6

Sizes 

· 1/4” Nominal to 24”O.D.

· Wall Thickness – Schedule 10 through XXH

· Unscheduled heavy wall pipe thicknesses available up to 4 inches. 

Strike temperature condition:

Crade

The lowest temperature for strike test

ASTM A333 Grade 1

-50

-45

ASTM A333 Grade 6

-50

-45

 Mechanical requiremnts of ASTM A333 alloy pipe

Grade

Tensile Strength (MPa)

Yield Point (MPa)

Elongation (%)

Y

X

Grade 1

≥380

≥205

≥35

≥25

Grade 6

≥415

≥240

≥30

≥16.5

 Chemical Composition (%) of ASTM A333 steel pipe

Grade

Chemical Composition (%)

C

Si

Mn

P

S

Grade 1

≤0.30

0.40-1.06

≤0.025

≤0.025

Grade 6

≤0.30

≥0.10

0.29-1.06

≤0.025

≤0.025

Heat Treatment:

Grades 1 and 6 shall be heat treated to control their microstructure. 
ASTM A333 Grade 6 and ASME SA 333 Grade 6 are heat treated to achieve normalized condition @ 920 degrees Celsius with controlled microstructure.

Specific Impact requirements

The raw material used for low temperature service pipe is ALUMINIUM killed with high proportion of manganese (more than 1%) combined with low proportions of carbon (less than 0.23%).For low temperature pipe to be certified as LTCS additional impact test should be conducted at low temperatures, as per mandatory requirements in section 8 of ASTM A 333.

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    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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