1) Tubing
Specifications: 2-3/8-4-1/2, see the specification table for details.
Steel grades: H40, J/K55, N80-1, N80Q, /L80, P110, C90, C95, T95, Q125, 80S, 80SS, 90S, 90SS,
L80-3Cr/9Cr/13Cr/28Cr, etc. In addition, there are specific steel grades independently developed by TPCO, Shanghai Baosteel and Henggang, such as TP110, TP110S, TP95S, etc.
Material: 25MN2, 36MN2V, 35MN2V, 34CRMO, 30CRMNMO, e
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