seamless pipe for steam

10-999 Tons
>=1000 Tons
Min. Order
10 Tons
Company Information

Bei Steel (Tianjin) International Trade Co., Ltd.

CN Trading Company
Response Time
Response Rate:
1 Year Paid Supplier Trade Assurance Gold Supplier Onsite Check
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Quick Details

Port: tianjin port china
Payment Terms: L/C,D/A,D/P,T/T
Supply Ability: 600000 Ton/Tons per Year
Standard2: ASTM A53-2007,API 5L,JIS G3463-2006,DIN EN 10025,BS 1387
Grade Group: 16Mn,Q195-Q345,A53-A369
Grade: 16Mn,Q235,Q345,A53(A,B)
Thickness: 2 - 16 mm
Section Shape: Round
Outer Diameter(Round): 21.3 - 610 mm
Place of Origin: Tianjin China (Mainland)
Application: Gas Pipe
Technique: ERW
Certification: API
Surface Treatment: Galvanized
Special Pipe: Thick Wall Pipe
Alloy Or Not: Non-alloy
Max OD: 610MM
Max Length: 18Meters
Packaging Detail: Export Standard Package

We Beisteel Internatinoal Trade Co,.Ltd 

Represent some Chinese First Classs Seamless Casing&Tubing , Seamless Line pipe Mill .



Seamless Steel pipe 



Materials :From Carbon to Alloy .


Hope can serve you with our Service&Quality&Price.



API Casing and Tubing



API Casing



a: Buttress casing is available with regular, special clearance couplings or special clearance couplings with special bevel.
P= Plain end; S= Short round thread; L= Long round thread; B= Buttress thread.

API Tubing


Onshore Service

Offshore/Subsea Service
Sour Service
High Temperature Steam Service

Seamless Line Pipe for Onshore & Offshore/Subsea Service

We offer both seamless (SMLS) and ERW (HFI/HFW) line pipes.
SMLS: O.D. from 2” to 28”, W.T. from 4.0mm to 65.0mm
ERW: O.D. from 5” to 26”, W.T. from 3.2mm to 22.2mm


we offer full range of line pipes of superior quality, including those of high strength, high toughness, homogeneous material and corrosion resistance, for various services such as onshore, offshore, shallow water and deep water, non-sour and sour services.
The highest grades seamless line pipe we supply include:
- API X100Q for oil, gas, water and slurry services;
- X70QS for sour services;
- DNV 485 SFPDU under DNV-OS-F101 specification for subsea applications.
(S for Sour service, F for Fracture arrest, P for Plastic deformation, D for Dimension, U for high utilization)

Standard Grade & Application


Note:We can also supply the products according to customer Specification.

Grade Availability

To meet strict dimensional tolerances for offshore/subsea services, We also can supply products to API, ISO, DNV standards, specifications of contractors, clients and project-specific. For references, dimensional tolerances listed in the following tables are for standard sizes of pipes.

Diameter and Out of roundness tolerances for offshore/Subsea line pipe

Note: stricter tolerances can be guaranteed based on specific agreement with customer.

Wall thickness, Straightness and length tolerances for offshore/Subsea line pipe

Note: stricter tolerances can be guaranteed based on specific agreement with customer.

Mechanical Properties (PSL 2, API Spec 5L/ ISO 3183)

Onshore Service
Note:(1) For Grade L690Q or X100Q, Rp0.2 shall be applied.


Offshore/Subsea Services


Note:(1)For Grade L690QO or X100QO, Rp0.2 shall be applied.
The detail value can according to the order required.

Onshore and Offshore/Subsea for Sour Services


Sour Service Application

Resists Hydrogen Including Cracking (HIC) and Sulphide Stress Corrosion Cracking (SSCC). The HIC test has a stringent criteria of 5% Crack Length Ratio (CLR) and 3% Crack Thickness Ratio (CTR).




Product Supply References

TPCO linepipe products have been exported to more than 100 countries and regions in various projects of refineries and long distance pipe lines.

Onshore High grade supply records (Min. & Max. W.T.)



Offshore/Subsea High grade supply records




Seamless Linepipe for High Temperature Steam Service


Annex 1:

All line pipes and process pipes mentioned above can meet NACE MR-01-75 upon customer’s request.