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                                   SEAMLESS STEEL PIPES
     SEAMLESS CARBON STEEL PIPE  The main products of our company are seamless carbon steel pipes. The standards are ASTM A106 Grade B, ASTM A53 Grade B, API 5L B. The pipes which manufactured by us can be used for petroleum industry and other sites such as in petroleum refineries and oil fields, petroleum cracking, oil transport, high pressure boilers, medium and low pressure boilers, fluid pipes, special pipes for fertilizer making, structural pipes, hydraulic support pipes, conveying pipe lines and so on.

The standards can be according to customers requirements, besides API and ASTM, it can be according to JIS and DIN standards, GB 5310, GB 6479, GB 9948, GB 3087, GB/T8163, GB/T8162, GB/T17396 etc.


Seamless Steel Pipes (ASTM A106 GR B)

We provide an unique range of Seamless Steel Pipes (ASTM A106 GR B) which is manufactured using premium grade of raw material. These are used to flow steam, water, oil and various petrochemicals substance in various petrochemical and chemical industries. These Seamless Steel Pipes are widely appreciated for high performance and less maintenance.

Seamless Steel Pipes (ASTM A106 Gr C)

Distinct range of Seamless Steel Pipes (ASTM A106 GR C) that we offered is available in various specifications on the basis of substance property. We offer these Seamless Steel Pipes (ASTM A106 GR C) as per the requirement of industries. These Seamless Steel Pipes are highly efficient in performance and having excellent durability. 

Blank steel billets cutting 

ASTM A53 Type S, seamless Grades A and B.  
This products are produced by us are widly used in various industry such as low and medium pressure boilers, boiling water pipes, and so on.
Seamless Steel Pipes (API 5L)
Distinct range of Carbon Steel Tubes (API 5L GR X 46 PSL 1) that we offered is available in various specifications. We, as a manufacturer, offer these Carbon Steel Tubes are per the requirement of our clients. These Carbon Steel Tubes are used in various processing plants of petrochemical and chemical.
Seamless Steel Pipes (API 5L Gr. X 56) that we offered are applicable for flow transfer of steam, gas and oil processing.
These are widely demanded in petrochemical and chemical plants where high temperature and pressure processing is done. We export these Seamless Pipes in various parts of the world at competitive prices.

Seamless Steel Pipes (API 5L Grade X65 ) that we offered is available in various finish and standards. These are best suited for handling various kinds of temperature and pressure in various small and large scale petrochemical industries. Seamless Carbon Steel Pipes that manufactured by us are using high quality carbon steel. 

Seamless Steel Pipes ( API 5L Gr. )

We manufacture and supply high quality Seamless Steel Pipes (API 5L Gr. B) which are manufactured with precision grade of carbon steel and are available in various sizes

The heating stove for blank steel billets

Not only with our manufacture equipments, we have equipted some examin and test facilities. X-ray detection machine, ultrasonic detector, hydrostatic pressure test machine, chemical composition analyzer and other physical test machine, which to insure the products in quality. 
We are renowned in many petrochemical industries for providing high performance Seamless Pipes.

In general, seamless steel pipes of ASTM A106, A53 and API 5L standards products are our strong production ability. But we can accept the orders of different standards from our customers as they have their requiements. Supply seamless steel pipes according to the requiements of our customers is our job. Supply the products which you needed is pleasure of us.

Piercing process
                           Process of producing 

Ends cutting

Visual inspection 


Trade Mark 

Mechanical Property  

        Tensile Strength       (Mpa) min  

         Yield Strength         (Mpa) min 

           Elongation       (%) min  

ASTM A53   A 330 205 29.5
B 415 240 29.5
ASTM A106  B 415 240 30
C 485 275 30
Standard     Trade Mark  Chemical Components  
C max   Si min   Mn max   P max   S max  Cu max   Ni max  Mo max Gr max V max
  ASTM A53 A 0.25 - 0.95 0.05 0.06 0.40 0.40 0.15 0.40 0.08
B 0.30 - 1.20 0.05 0.06 0.40 0.40 0.15 0.40 0.08
   ASTM A106   B 0.30 0.10 0.29-1.06 0.035 0.035 0.40 0.40 0.15 0.40 0.08
C 0.35 0.10 0.29-1.06 0.035 0.035 0.40 0.40 0.15 0.40 0.08


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Alloy pipe
Cr5Mo.(P5,stfa25, T5) 15CrMo(P11,P12, STFA22)13cRmO44 12Cr1MoV P22910CrMo 910) T91, P91, P9, T9Wb36
GB5310-95 GB9948-88 ASTM A335/A335M ASTM A213/213M DIN1715-79 JIS G3467-88 JIS G3458-88 Ø16-824*2-100 The seamless steel pipe features resistance to high pressure, high/low temperaturer and corrosion and is used in the industres of petroleum, chemical engineering and electric power as well as boiler
High-pressure boiler pipe 20G, A106, st45.8/Ⅲ GB5310-95            ASTM A106-99   DIN17175-79 Ø14-630*2-80 High temperature-resistant   seamless steel pipe                for high-pressure boiler
 High-pressure seamless pipe for petroleum cracking and fertilizer making equipments 20, 12CrMo, 15CrMo GB9948-88 Ø10-530*1.5-36 Boiler pipe for refinery, heat-exchanging pipe, seamless steel pipe for pipeline 
20, 16Mn, Q345 GB6479-2000 Ø18-530*3-40 Fertilizer making equipment and pipe line
Low and medium pressure boiler pipes 10, 20 GB3087-1999 Ø10-530*2-40 Over-heat pipe for low and medium pressure boiler, boiling water pipe, locomotive smoke pipe (big and small)
Fluid pipe 20, Q345 GB/T8163-1999 Ø8-630*1.0-40 Fluid feeding
Structural pipe 10, 20, 35, 45, 16Mn, Q345B GB/T8162-1999 Ø6-1020*1.5-100 For common structure
Line pipe B Grade API Ø60-630*1.5-40 Transport gas, water or oil in the industries of petroleum and natural gas
Hydraulic prop pipe 27SiMn GB/T17396-1998 Ø70-377*9-40 Hydraulic support and prop
Ship pipe 410 GB/T5312-1999 Ø14-426*1.5-45 Pipes for ship, boiler and over-heater

key words: seamless steel pipe , steel pipe , carbon steel pipe , steel pipe fittings , forged flanges