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


TP321 seamless stainless steel tubing


seamless stainless steel tubing: 
A) O. D.: 6 mm to 273 mm 
B) W. T.: 0.5 mm to 25 mm 
C) Length: Max. 20 meters
seamless stainless steel tubing:
1. Commodity: seamless stainless steel tubing  TP321
2. Process method: cold drawn/cold rolledwelding steel pipe
3. Surface finish: anneal/pickling/polished
4. Material: TP321Drill pipe|
5. Standards: ASTM A269, ASME SA269
6. Size:
       A) O. D.: 6 mm to 273 mm
       B) W. T.: 0.5 mm to 25 mm
       C) Length: Max. 20 metersThick wall steel pipe
7. Package: seaworthy wooden cases/steel framed plywood cases/simple packaging or according to customers’ requests.
8. Certificate: ISO 9001:2008, PED by English Lloyd's Register, TUV,DNV,etc
9. Export Markets: Europe, North and South America, Mid-East, Southeast Asia, etc.Steel pipe |

Seamless steel pipe|

10.Use: heat exchanger, boiler, exhaust pipe, medical equipment, building materials, chemical industry, food industry, agriculture,etc
11. Inspections and tests: eddy current test; ultrasonic test; hydrostatic test; pneumatic test; PMI test; dimension examination; hardness test; metallographic examination; tension test; flattening test; flaring test, etc

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