The alloy tube billet steel produced by CITIC PACIFIC Special Steel Group covers high, medium & low-pressure boiler tubes as well as pressure vessels and oil well tubes in oilfield. Among them, tube billet steel for boiler and pressure vessel are mainly produced according to YB/T5137, American ASME SA-213 & SA-210 and the other relevant standards; it has obtained the corresponding production license issued by the state. T23, T91 and T92 tube billet steel produced with continuous casting and rolling process has already got quality approval from major domestic three boiler manufacturers. As for oil field tube billet steel, CITIC Special Steel mainly produces oil well sleeves and well pipes, with the production standards in accordance with American API and the technical specifications provided by users and its production system has passed the certification of American API.
Typical steel grades/Standards
GB Standard | DIN Standard | JIS Standard
| ASME/ASTM Standard | Customer Specifications/Mutual Agreement |
15MoG 20MoG 12CrMoG 15CrMoG 12Cr1MoVG 16Mo3 12Cr2MoG | St35.8 15Mo3 13CrMo44 10CrMo910 14MoV63 34CrMo4 | STBA410 STBA12 STBA13 STBA20 STBA22 STBA24 STBA26 | SA-210A1 SA-210C SA-192 T91/P91 T92/P92 T5/P5 | T12/P12 T11/P11 T22/P22 T91/P91 T92/P92 T2 3Cr 131 102 |
Size range
Bar Φ40~350 | Forged steel Φ100~950
| Square forged steel □120~800 | Continuous casting round tube billet Φ180~1000 |