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Quick Details

Alloy Or Not: Non-alloy
Special Pipe: Thick Wall Pipe
Surface Treatment:
Certification: BSI
Technique: Cold Rolled
Application: Structure Pipe
Secondary Or Not: Non-secondary
Place of Origin: China (Mainland)
Section Shape: Rectangular
Outer Diameter: 6x10-150x250mm
Thickness: 0.45-2.0 mm
Grade: A53-A369,Q195-Q345
Grade: A53(A,,Q195,Q235,Q345
Standard: ASTM,BS
Standard: ASTM A53-2007,BS 1387

Specifications

China supply Cold Rolled Q195 Q235 Q345 weld Steel  rectangular Pipe for Construction

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Standard Q195 Q235 Q345 ASTM A53 ASTM A120 ASTM A139 ASTM A500 BS1387
OD (mm) 6x10-150x250 mm
Thickness(mm) 0.45-2.0mm
Length (m) 4-12m
Steel Grade

Q235/Q345/Q195(St33/St37-2/St37-3/St50-

2/S185/S235JR/S235JO/E295/S355JRH/ASTM A106A/ASTM A106c)

Application

Oil Pipe, Fluid Pipe, Boiler Pipe, Hydraulic Pipe, Gas Pipe, Chemical Fertilizer Pipe, 

Structure Pipe and so on.

Technical Longitudinal Submerged Arc Welding Pipe with longitudinal seam
Quality Control

Hebei Sinostar Trading Co. Ltd sets up the department of quality control specially, which is a well-trained professional quality control team. We have professional ability and services surpassing third-party testing agency. We run according to the standardized inspection and service process. We assure the buyers of carrying out each order successfully.

Process of quality control:

A.Choice of manufacturers

B.Signing contract and placing orders

C.Following up manufacturing :

To follow up every step of manufacturing process and ensure that the quantity, quality, packing and delivery time are in conformity with the requirements of the buyers order and relative international standards.

D.Quality inspection:

To fully inspect the goods after finishing manufacturing, issue survey report and present to the overseas buyer. We ensure that all the products conform to the requirements of the order and relative international standards.

E.Supervision of loading in the port:

To follow up and supervise the goods loaded into containers before shipment, ensure again that the quality, quantity and packing meet the requirements of the order , ensure the goods without any damage during the process of container loading and guarantee the delivery time meets the requirements of the order.