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


API welded stainless steel pipe

 stainless steel pipe  

1,Form:round ,square,rectangular and special
2,Surface: annealed, polished, pickled , SB400, SB600, 8K (mirror), hair-line and so on,   
alloy steel pipe l555 |
3) Dia.:  6 to 273mm for round tube,
             8*8 to 100*100(mm) for square tubes,
            10*20 to 60*120(mm) for rectangular tubes
4) wt:  0.5 to 6mm  for round tubes and square tubes.
           0.5 to 4mm for rectangular tubes Pipe fittings |
5) Standards: ASTM A554
6)Application: Decoration and structure
7) Tolerance:  Hot Rolled Steel pipe |
     A) Outer diameter: +/-0.15mm 
     B) Thickness: +/-11% of wall thickness 
     C) Length: +/-4.5mm - 0mm 
8) Material: 201, 202, 301, 304, 304L, 316, 316L, 321, 409, 430 etc.
9) Packing: Each in a PVC bag, ( option: Bundle with knitted plastic bag / steel
 Casting steel pipe | ASTM steel pipe |
10) The mechanism is good. Tubes can be bended, enlarged, shrunk, and staved.  


 Stainless Steel Pipe & Tube 

Supply Capacity

10000 tons/yearalloy pipe a335 p11 | Boiler steel pipe |

Process Method

cold drawn and cold rolled

Out Diameter


Wall Thickness




Steel Grade

200 (Ni : 0.8%), 201B (Ni : 3%), 201H (Ni : 5%) Petroleum Casing Pipe |
301 (Ni : 6%), 304, TP304, TP304L/304L, 321, TP321, 316, TP316L, 316L, 316Ti
317, 317L, 309S, 310S(2520), 347, Duplex 2205, Duplex 2207, etc. 


ASTM / ASME, GB, DIN, JIS, T14975, etc.25crmo4 alloy steel pipe | 


O.D: 1/8" - 20" (inch)  (

W.T: SCH5S, SCH10S,SCH40S,SCH80S,SCH160S,etc.

Or non-regular size to be tailored as required.


1.with plastic cap to protect both ends
2.plastic bag wrapped outside the pipe
3.bundles to be covered by polythene & strapped securely .
4.if require ,then pack into wooden box. Steel pipe | 


ISO 9001:2008

Delivery time

30-60 days depend on Quantity

Payment Term

T/T, Irrevocable L/C at sight

Trade Term

FOB , CFR , CIFElectric Resistance Welding |







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