1) Standard: ASTM / ASME A312 / SA312, ASTM / ASME A213 / SA213, ASTM A269, ASTM 511 GOST 9940, GOST 9941, JIS G 3459, JIS GS3463, GS3467, JIS G3448, DIN EN 10216-2006(DIN 17458), DIN EN 10297-2006(DIN 17456), GL LR DNV, etc.

2) Outside diameter: 6mm-630mm

3) Wall thickness: 1mm-30mm

4) Length: According to customers' requests

5) Tolerance: Meet the standard

6) Material: 304, 304L, 310S, 316, 316L, 321, 321H, etc.

7) Surface: Pickled & Annealed

8) Packing: Each in a PVC bag, bundle with knitted plastic bag, wooden case or according to customers' request.

9) Application: The products are widely used in fertilizer, petroleum, central-station, boiler, power station, shipping military, chemical industry, environment protection, traffic, metallurgy and mine, printing and dyeing, food industry, medical equipment, and so on.

10) Test: Eddy current / hydrostatic / Ultrasonic / Interganular Corrosion or according to customers' request.

11) Supplementary Requirements customers required are acceptable