Limestone Quarry Plant

One of the Top 500 enterprises in China foreign trade

QCCO was approved as a member of “China Association for Contracting Projects Abroad “and granted a membership certificate on Sep 28,2005; “Credibility Rating AAA certificate in Foreign Trade” was granted to QCCO by China Shippers’ Association


ASTM A53 Carbon pipe and Alloy pipe


used for machinery. 
we do these products and export 5 years ,with high quality and best price .

ASTM A53 Carbon steel and Alloy pipe 

Place Of Origin



carbon seamless steel tube

Steel Grade

10#, 20# 25# 45# Q195 Q235 Q345 16Mn 15CrMo and so on

Payment Terms

1.      T/T

2.      L/C at sight


1.Outer Diameter:5mm---1250mm

2.Wall Thickness:0.5mm--80mm

3.Length:Max 12m

4.We can also produce according to customersrequirement


10#20#45#16Mn14MnNb20G10MoWVNbST45.8/IIISAS106B12CrMo15CrMo20CrMo42CrMo12Cr1Mov10CrMo910A355P22STFA25 and so on


1.      ASTM: ASTM A53GR.A; ASTM A53GR.B;


1.    Environmental Management System Certificate

2.    The People's Republic of China Special Equipment Certification

3.    Quality Systerm Certificate

4.    API

5.    ISO

6.    Other certificates

Process Method

1.      Cold Drawn

2.      cold rolled

3.      Hot rolled

4.      ERW

5.      SAW

6.      EFW

7.      LASW

Face finished

1.      Manual polished

2.      mechanical polished

3.      black paint on the face

4.      anti-rust oil and caps on both ends

5.      galvanized

Usage Range

1.      structral pipe

2.      oil or gas transportation

3.      fluid pipe

4.      line pipe

5.      drill pipe

6.      boiler pipe

7.      other uses we can produce according to customer requirement


1.      PP

2.      PE

3.      Bundle

4.      caps both ends

5.      according to customer requirement

All for customer and all for customer benifit

Pipe fittings|, Pipe Elbow |Pipe Tee| |Pipe Reducer| |Pipe Cap| |Flange| |Pipe Bend| |Pipe Cross| |Lap Joint| |Return Bend| |Elbow 90 Degree| |Elbow 45 Degree| |Reducing Elbow| |Equal Tee



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