1) Standard: ASTM A213, A335, A519 /ASME SA213, SA335, JIS G3458, JIS G3462, JIS G3467, JIS G3461, DIN17175, etc.

2) Outside diameter: 16mm-159mm or 1/8" to 30"

3) Wall thickness: 2mm-25mm or 5/5S,10/10S,20/20S,40/40S,60,XS,80/80S,120/120S, 160/160S, XXS

4) Length: 4.0-12.0m or Tailor-made according to customers' requests

5) Tolerance: Meet the standard

6) Material: T11/P11, T12/P12, T22/P22, T23/P23,STB340, STB410

7) Surface: Varnish coating with a clear lacquer for rust protection.

8) Packing: Hex bundle and wrapped in steel sheets or according to customers' request

9) Application: The products are widely used in low and medium pressure boiler, high pressure boiler, ship-building, liquid service, petroleum cracking, chemical fertilizer equipment, drawing-oil-equipment and structure purposes, and so on.

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

11) Supplementary Requirements customers required are acceptable

12) special requirements for specification and material can be supplied under negotiation.
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