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


304/316L Stainless Steel Welded Pipe

 304/316L Stainless Steel Welded Pipe Manufacturer

1.Size: SCH10S-SCH80S
3.Grade: 304, 304L, 316, 316L| Carbon steel pipe | 

4.Length:5M,5.8M,6M, or request


304/316L Stainless Steel Welded Pipe Manufacturer


ASTM A312, ASTM A213, ASTM A269, ASTM A511, ASTM A789, ASTM A790, JISG3459, JISG3463, DIN 17456, DIN 17458, GB/T14975-02, GB/T14976-02, GB13269-91


304, 304L, 316, 316L

Outer diameter

3/8"-18" Oil pipeline |

Wall thickness

1. SCH10S-SCH80S

2. 5/5S, 10/10S, 20/20S, 40/40S, 80/80S, 120/120S, 160/160S, acc. To ANSI B36.19/36.10


5,5.8m, 6m, 9m, 12m, or as customers requests.Welded steel Pipe |


1. Pickled and annealed or polished

2. Plain ends, or Bevelled ends25crmo4 alloy steel pipe

3.2B, Mill finish or Mirror finish


Each in PVC bags, bundles with knitted plastic bag, wooden cases or according to customers' request


Water Supply, Heat Supply, Petrol, Chemical Industry, Foodstuff processing, Medicine, Aviation, Environment protection


Eddy current / hydrostatic/ Ultrasonic/ Intergranular Corrosion, or according to customers' request

Third party inspection

SGS,BV, Lloyds etcseamless carbon steel pipe | 




T/T,L/C or negotiation.

Delivery time

15-30 days after receive your deposits



We have professional testing equipment such as ultrasonic testing machine, eddy current testing machine,Mechanics testing machine to make sure

high quality. astm a 335 gr p22 | alloy steel pipe l555 | 








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