Steel tubes for structural purposes,Steel Pipe Piles,Offshore Pile Leg Pipe

Steel tubes for structural purposes can be seamless steel pipe and welded steel pipe.

Main applications are: hall structures, sea trestle bridges, airport structures, docks, security door frames, garage doors, reinforced steel doors and windows, indoor partition walls, cable bridge structures and highway security guards, railings, decoration, residential, decorative pipes from

Seamless steel tubes includes hot-rolled, hot-expanded steel tubes, and cold-drawn cold-rolled steel tubes.

Welded pipes includes SAWL,SSAW,ERW etc.

API 5L PSL1 Grade B seamless steel pipes

API 5L PSL1 Grade B seamless steel pipes

OD and wall thickness should meet relevant standards-API 5L,ASTM, and so on.

The length is generally 3 meters to 12.5 meters, and it is supplied according to single indefinite length, double indefinite length, or fixed length.

The total bend of the steel pipe should not be greater than 1.5 ‰ of the total length of the steel pipe.

Tip notches should be deburred, beveled, flattened, or chamfered, protected with a cap.

The steel pipe is delivered according to the theoretical weight. The tolerance of a single steel pipe is 10%, and the minimum weight tolerance of each batch of steel pipes is 7.5%.

Steel grade API 5L X52Q, X60Q, X65Q, X80Q, X100Q, A106 B, ASTM A252 GR.1, GR.2, GR.3, etc. according to customer needs.

OD323.9 SCH20 P245GH 12meter spiral welded pipe

OD323.9 SCH20 P245GH 12meter spiral welded pipe

Delivery status of seamless steel tubes : Delivery in the hot rolled or cold drawn state, or delivery in the heat treated state, should be specified in the contract.

Straight seam welded pipe does not undergo overall heat treatment after welding and sizing

The structural steel pipe supplied by Hebei Haohao, provides quality certificate EN10204-3.1B. The internal and external surfaces of the steel pipe are not allowed to have visual cracks, folds, scars, rolling and delamination.

Steel pipes are generally delivered in an uncoated state. Hebei Haihao Group can provide protective coatings, such as Black coating,Varnish,Asphalt paint,galvanized, epoxy coated, primer coated, etc.

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