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

2) Standards: ASTM A53, ASTM A106, ASTM A179, ASTM A192, ASTM A209, ASTM A210, ASTM A213, ASTM A334, ASTM A519, ASTM A556, ASTM 161, BS1717, BS3059, BS3602, BS3603, BS3604, BS3606, JIS G3441, JIS G3445, JIS G3452, JIS G3456, JIS G3461, JIS G3462, JIS G3464, DIN 2391, DIN 17175, DIN 1629, DIN 1630, DIN2413, ISO 9329, GB6479

3) Surface: oiled or black painted to prevent rust

4) Marking: as per customer's requirement

Commonly used steel grade:

10, 20G, 16Mn, 15MnV, 10MoWVNb, 12CrMo, 15CrMo, 1Cr5Mo, 12Cr2Mo

Inner packing:

Caps on two ends of every pipe

Outer packing:

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