DIN 1629 Carbon Seamless Steel Pipes

DIN 1629 carbon seamless steel pipes

Marking

DIN 1629 is the standard specifies the Seamless Circular Tubes of Non Alloys Steels with Special Quality Requirements.

DIN 1629 applications the overheated boilers, as minimum thickness ferrite and seamless steel pipes, and as heat exchangers via austenitic pipes.

APPLICATION:

It is used for manufacturing pipeline,vessel,equipment,pipe fittings.

THE MAIN PRODUCTS OF STEEL / STEEL GRADE:

• DIN1629 ST37.0
• DIN1629 ST44.0
• DIN1629 ST52.0

Packing: Bare/bundles/crates/crate protection at the both sides of tubes or as per customers' requirements .

SIZE RANGE(MM):

• Out diameter:10-324mm
• Wall Tickness:1-30mm
• Length:14000mm max

Note:
DN - Nominal Diameter
NPS -Nominal Pipe Size

JIS G3454,G3455,G3456 Carbon steel pipes

JIS G3454,G3455,G3456 Carbon steel pipes for pressure, high pressure and high temperature service

JIS G3454

JIS G3454 DN80 SCH60

Carbon steel pipes for pressure service, high pressure service and high temperature service.

STANDARD:

• JIS G3454 Carbon steel pipes for pressure service at an approximate maximum temperature of 350ºC.
• JIS G3455 Carbon steel pipes for high pressure service at an approximate maximum temperature of 350ºC.
• JIS G3456 Carbon steel pipes for high temperature service at a temperature over 350ºC.

SIZE (MM):

Outer Dimensions: 19.05mm ~ 114.3mm
Wall Thickness:2.0mm ~ 14 mm
Length: max 16000mm

Application: Carbon steel pipes for pressure service, high pressure service and high temperature service.

THE MAIN PRODUCTS OF STEEL / STEEL GRADE:

• JIS G3454(STPG370, STPG410)
• JIS G3455(STS370, STS410, STS480)
• JIS G3456(STPT370, STPT410, STPT480)

Packing: Bare/bundles/crates/crate protection at the both sides of tubes or as per customers' requirements .
Painting: as requested.

The tubes shall be manufactured by seamless process, electric resistance welding process, or butt welding process, and those of other grades shall be manufactured by seamless process or electric resistance welding process. The tube shall be as manufactured or as cold-finished condition, or they shall be subjected to appropriate heat treatment.

The tubes shall be practically straight. and the two ends shall be at right angles to the axis of the tube. The tubes shall be free from defects detrimental to practical use.

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JIS G3445 steel tubes for machine structural purposes

JIS G3445 is Japanese Industrial Standard specifies the carbon steel tubes, hereinafter referred to as the "tubes", used for machinery, automobiles, bicycles, furniture, appliances and other machine parts.

Standards: JIS G3445

Size (mm):

• Outer Dimensions: 19.05mm ~ 114.3mm
• Wall Thickness:2.0mm ~ 14 mm
• Length: max 16000mm

Application: Tubes used for machinery, automobiles, bicycles, furniture, appliances and other machine parts.

THE MAIN PRODUCTS OF STEEL / STEEL GRADE:

• STKM11A, STKM12(A,B,C)
• STKM13(A,B,C)
• STKM14(A,B,C)

Packing:
Bare/bundles/crates/crate protection at the both sides of tubes or as per customers' requirements .

Painting: as requested.

JIS G3461,G3462 boiler and heat exchanger tubes

JIS G3461,G3462 Carbon steel/Alloy steel boiler and heat exchanger tubes used for exchanging heat on the inside and outside of the tube, such as water tubes, smoke tubes, superherater tubes, air preheater tubes, etc.

STANDARD:

• JIS G3461 Carbon steel boiler and heat exchanger tubes
• JIS G3462 Alloy steel boiler and heat exchanger tubes

SIZE (MM):

Outer Dimensions: 19.05mm ~ 168.3mm
Wall Thickness:2.0mm ~ 14 mm
Length: max 19000mm

APPLICATION:

Used for exchanging heat on the inside and outside of the tube, such as water tubes, smoke tubes, superherater tubes, air preheater tubes, etc. of boilers, and heat exchanger industries. it is not applicable to the steel tubes for heating furnace and those for heat exchangers for low temperature service.

THE MAIN PRODUCTS OF STEEL / STEEL GRADE:

• G3461(STB340, STB410, STB510)
• G3462(STBA22, STBA23).

Packing: Bare/bundles/crates/crate protection at the both sides of tubes or as per customers' requirements.
Painting: as requested.