PIPES

Juhua Manufacture maintains a large stock of carbon and stainless steel pipes and tubes to be utilized in hydraulic and other piping systems.

MaterialOD x s
Stainless steel
ASTM 269 TP316L / DIN 2391
AST A312 / A530 Grade TP316L		6 x 1.0 – 80 x 10
1/2″ x SCH10 – 24″ x SCH160
21.34 x 2.11 – 609 x 59.51
Carbon steel
EN 10305-4 E235+N (ST37.4)
EN 10305-4 E355+N (ST52.4)		4 x 1.0 – 273 x 6.0
6 x 1.0 – 250 x 25

Note! Larger sizes and other materials such as duplex, super duplex, tungum, etc., are supplied upon special order.

Other specifications

we recommends the use of cold drawn pipes and tubes due to both quality (precision in dimension and shape) and for cleanliness reasons (no scale). As a comparison, hot rolled tubes will always have some scale both inside and out due to the manufacturing process; by cold forming there will not be any scale inside the tube after the manufacturing.

All precision steel pipes are supplied with trace numbers. Original GS-Hydro high pressure piping can be recognized from the marking “GS-Piping”.

In order to ensure quality and traceability GS-Hydro can deliver the pipes and tubes with either EN-10204.3.1 or EN-10204.3.2 certificates (in accordance with EU standard EN 10204 – DIN 50049). We ask that the required certificate, if one is needed, would be specified by the customer.

The required wall thickness and / or maximum allowable working pressure is calculated according to the following codes:

  • DIN

  • ANSI

  • Det Norske Veritas (DNV)

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