1) Sizes (O.D. x T): from 6 x 1mm to 168 x 12mm

2) Standards: ASTM A192 (ASME SA192), ASTM A106, ASTM A213, JIS G3461, JIS G3462, DIN 17175, BS 3059

3) Surface: oiled or black painted to prevent rust

4) Marking: as per customer\'s requirement



Commonly used steel grade:

20G, 20MnG, 25MnG, 15MoG, 20MoG, 12Cr1MoVG, 15CrMoG, 12Cr2MoG, 12Cr2MoGVWTiB, 12Cr2MoVSiTiB



Inner packing:

Caps on two ends of every pipe



Outer packing:

Hexagonal shape bundles wrapped with strong steel trip or according to customers\' requests