N80-Q Grade Plain End Seamless Casing Pipes for sale with impact test under -20dgr

N80-Q grade is much higher than N80-1 grade, which requires to be given heat treatment ( normalizing +tempering) in order to achieve the mechanical properties .

N80-Q seamless casing pipes can be used in drilling projects, oil /water wells, constructions,.

Sometimes impact test should be done under -20 degree if necessary.

Main Sizes include:

OD60.3mm x WT10/16mm

OD63mm x WT12.5mm

OD73mm x 10mm

OD76mm x WT14.5mm

OD82.5mm x WT14.5mm

OD88.9mm x WT9.0mm

OD114.3mm x WT9.0mm

OD177.8mm x WT12.5mm

OD168.3mm x WT12.5/17.5mm

OD159mm x WT14.2mm

OD139.7mm x WT12.5/16/20mm

OD 127mm.x WT10.0./12.5/14.5/16mm

--Standard: API 5CT PSL1

--Steel Grade: N80-1

Chemical Composition: C: 0.34-0.38 Si: 0.2-0.35 Mn: 1.45-1.70 P: <=0.020 S<=0.015 Cr: <=0.15 V: 0.11-0.16 Als:<=0.020

Mechanical Properties: Yield Strength: 552-758Mpa Tensile Strength: >=689Mpa

--Length: R3 ( or required such as 9-12m)

--End: Plain

--Surface of pipe body: bare, no black vanish

--Marking: as per API 5CT or customer’s request

--Packing: in bundles with steel strips, 3MT/BUNDLE

--TPI: Third Party Inspection can be done before shipment and testing costs will be in seller’s account.

Extra Technical Processing: 2 drilling holes will be given on one of the pipe ends. The distance between these

2 holes is the diameter of the pipe. More importantly, these 2 holes must be symmetrical.

Note: We, Borun as a group company, are mainly dealing with OCTG, SMLS PIPE , Hollow Section as well as

other steel profiles.

Welcome to visit and enquiry!!

Who We Are 

Cangzhou High Booming Pipe Equipment Co.Ltd is a leading manufacturer & exporter of steel pipe & pipe fittings in China. Located in Cangzhou, a well-known “steel city” and near to Tianjin, we can make the delivery and container loading much faster and more convenient

High Booming has started its business from OCTG pipes, seamless pipes and expanded to ERW pipes, SSAW pipes, hollow sections and pipe fittings in order to provide one-stop resources integrating services for the clients and help them finish the projects effectively. Our production base is centered in Hebei and Tianjin. And all the factories are API/ISO/CE/FPC certified with highly equipped production lines and sophisticated technical engineers. Meanwhile, given the friendly& trustworthy relationship, we can also suppy the first-hand resources from the large famous mills like TPCO, Baotou Group, Bao Steel, Anhui Tianda, Linzhou Fengbao etc.

Our main product specification:

1. OCTG PIPE: Casing, Tubing, Coupling, Pup Joint, OD 60.3-508mm

2. SMLS PIPE: OD 21.3-914mm

3. ERW steel pipe, LSAW pile pipe, Spiral steel pipe

4. HOLLOW SECTION: OD: 20*20-600*600mm

The steel pipe and fittings are manufactured according to international standards such as GB, ASTM, API, DIN, JIS, EN etc. Custom-made steel product is also acceptable as per customer’s requirements. Engaged in steel industry for 15+ years, High Booming has successfully supported in many kinds of projects, such as oil & gas, well drilling, pipeline transmission, machinery, construction, marine & offshore etc. And our steel products have enjoyed a very good reputation in many countries and regions.

Welcome to visit us !

We look forward to establishing a long-term cooperative relationship with you!